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Cas Database

7585-39-9

7585-39-9

Identification

  • Product Name:Beta-cyclodextrin

  • CAS Number: 7585-39-9

  • EINECS:231-493-2

  • Molecular Weight:1135

  • Molecular Formula: C42H70O35

  • HS Code:29400000

  • Mol File:7585-39-9.mol

Synonyms:Schardinger b-dextrin;Stereoisomer of5,10,15,20,25,30,35-heptakis(hydroxymethyl)-2,4,7,9,12,14,17,19,22,24,27,29,32,34-tetradecaoxaoctacyclo[31.2.2.23,6.28,11.213,16.218,21.223,26.228,31]nonatetracontane-36,37,38,39,40,41,42,43,44,45,46,47,48,49-tetradecol;beta-Cycloheptaamylose;β-Cyclodextrin;beta cyclodextrin;Cycloheptaamylose(7CI);BW 7;BW 7(polysaccharide);Betadex;Cavatex W 7MCT;Celdex B100H;Celdex B 100z;Cibatex OC-CLD;Cycloheptaglucan;Cycloheptaglucosan;Dextrin, b-cyclo;Dexy Pearl 100;Kleptose;NSC 269471;NSC 314334;Rindex B;Ringdex B;RingdexBL;

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Safety information and MSDS view more

  • Pictogram(s):IrritantXi

  • Hazard Codes:Xi

  • Signal Word:No signal word.

  • Hazard Statement:none

  • First-aid measures: General adviceConsult a physician. Show this safety data sheet to the doctor in attendance.If inhaled If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician. In case of skin contact Wash off with soap and plenty of water. Consult a physician. In case of eye contact Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician. If swallowed Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.

  • Fire-fighting measures: Suitable extinguishing media Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide. Wear self-contained breathing apparatus for firefighting if necessary.

  • Accidental release measures: Use personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust. For personal protection see section 8. Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided. Pick up and arrange disposal. Sweep up and shovel. Keep in suitable, closed containers for disposal.

  • Handling and storage: Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Avoid exposure - obtain special instructions before use.Provide appropriate exhaust ventilation at places where dust is formed. For precautions see section 2.2. Store in cool place. Keep container tightly closed in a dry and well-ventilated place.

  • Exposure controls/personal protection:Occupational Exposure limit valuesBiological limit values Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at the end of workday. Eye/face protection Safety glasses with side-shields conforming to EN166. Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU). Skin protection Wear impervious clothing. The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace. Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique(without touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. Wash and dry hands. The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and the standard EN 374 derived from it. Respiratory protection Wear dust mask when handling large quantities. Thermal hazards

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  • Manufacture/Brand:Usbiological
  • Product Description:Cyclomaltoheptaose
  • Packaging:250g
  • Price:$ 319
  • Delivery:In stock
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  • Manufacture/Brand:TRC
  • Product Description:β-Cyclodextrin
  • Packaging:25g
  • Price:$ 95
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  • Manufacture/Brand:TCI Chemical
  • Product Description:Beta Cyclodextrin >99.0%(HPLC)
  • Packaging:100g
  • Price:$ 224
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  • Manufacture/Brand:TCI Chemical
  • Product Description:Beta Cyclodextrin >98.0%(HPLC)
  • Packaging:500g
  • Price:$ 160
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  • Manufacture/Brand:TCI Chemical
  • Product Description:Beta Cyclodextrin >99.0%(HPLC)
  • Packaging:25g
  • Price:$ 85
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  • Manufacture/Brand:TCI Chemical
  • Product Description:Beta Cyclodextrin >98.0%(HPLC)
  • Packaging:25g
  • Price:$ 24
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  • Manufacture/Brand:TCI Chemical
  • Product Description:Beta Cyclodextrin >98.0%(HPLC)
  • Packaging:100g
  • Price:$ 53
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  • Manufacture/Brand:Sigma-Aldrich
  • Product Description:β-Cyclodextrin ≥97%
  • Packaging:25g
  • Price:$ 66.4
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  • Manufacture/Brand:Sigma-Aldrich
  • Product Description:β-Cyclodextrin produced by Wacker Chemie AG, Burghausen, Germany
  • Packaging:25g
  • Price:$ 60
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  • Manufacture/Brand:Sigma-Aldrich
  • Product Description:β-Cyclodextrin
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Relevant articles and documentsAll total 75 Articles be found

Synthesis and reactivity of 6-β-cyclodextrin monoaldehyde: An electrophilic cyclodextrin for the derivatization of macromolecules under mild conditions

Huff,Bieniarz

, p. 7511 - 7516 (1994)

-

Photoreactive nanomatrix structure formed by graft-copolymerization of 1,9-nonandiol dimethacrylate onto natural rubber

Yamamoto, Yoshimasa,Suksawad, Patjaree,Pukkate, Nanthaporn,Horimai, Tatsuya,Wakisaka, Osamu,Kawahara, Sciichi

, p. 2418 - 2424 (2010)

Formation of photoreactive nanomatrix structure was investigated by graft-copolymerization of an inclusion complex of 1,9-nonandiol dimethacrylate (NDMA) with β-cyclodextrin (β-CD) onto natural rubber particle using potassium persulfate (KPS), iert-butyl hydroperoxide/tetraethylenepentamine (TBHPO/TEPA), cumene hydroperoxide/tetraethylenepentamine (CHPO/TEPA), and benzoyl peroxide (BPO) as an initiator. The graft copolymer was characterized by 1H NMR and FTlR after coagulation. The conversion of NDMA and the amount of residual methacryloyl group were found to be 58.5 w/w % and 1.81 w/w %, respectively, under the suitable condi tion of the graft-copolymerization. The morphology of the film specimen, prepared from the graft copolymer, was observed by transmission electron microscopy (TEM) after staining the film with OsO4. Natural rubber particle of about 1.0 μm in diameter was dispersed in poly(NDMA) matrix of about 10 nm in thickness.

Effect of the reaction temperature on the transglycosylation reactions catalyzed by the cyclodextrin glucanotransferase from Bacillus macerans for the synthesis of large-ring cyclodextrins

Qi, Qingsheng,She, Xiaoyan,Endo, Tomohiro,Zimmermann, Wolfgang

, p. 799 - 806 (2004)

The synthesis of cyclodextrins with from 6 to more than 50 glucose units by cyclodextrin glucanotransferase (CGTase, EC 2.4.1.19) from Bacillus macerans was investigated. Analysis of the synthesized cyclic α-1,4-glucan products showed that a higher yield of large-ring cyclodextrins were obtained with a reaction temperature of 60°C compared to 40°C. The yield of large-ring cyclodextrins obtained at 60°C represented about 50% of the total glucans employed in the reaction. Analysis of the cyclodextrin-forming cyclization reaction and of the coupling reaction of the CGTase resulting in the degradation of mainly the larger cyclic α-1,4-glucans indicated higher rates of the cyclization reaction at 60°C compared to 40°C while the opposite was found for the coupling reaction.

Water-soluble inclusion complexes of trans-polydatin by cyclodextrin complexation: Preparation, characterization and bioactivity evaluation

Zhang, Jian-Qiang,Jiang, Kun-Ming,Xie, Xiao-Guang,Jin, Yi,Lin, Jun

, p. 592 - 598 (2016)

The inclusion complexes of trans-polydatin (PD) with β-CD and γ-CD were prepared. The inclusion complexation behavior, characterization and interactions of PD with CDs were investigated in both the solution and the solid state by means of UV-vis, ESI-MS, NMR, FT-IR, XRD, SEM, TG and DSC. All of the characterization information demonstrated the formation of PD/CDs inclusion complex, and the PD/CDs inclusion complexes exhibited different spectroscopic features and properties from PD. The 1:1 stoichiometry of the complexes was visually proven with the ESI-MS experiment and Job's method. Meanwhile, it was the phenyl group (a and b rings) of the PD molecule that were included in the CDs cavity from the wide side. Moreover, the water solubility of PD/CDs was significantly improved from 0.161 mg/mL to 7.21 mg/mL (PD/β-CD) and 12.02 mg/mL (PD/γ-CD). Consequently, the bioavailability of PD/CDs inclusion complexes were effectively improved over free PD in vitro. The present study provides useful information for the potential application of complexation with PD, a naturally occurring hydrophobic polyphenolic compounds herbal medicine.

Photochromism of dithienylethenes included in cyclodextrins

Takeshita, Michinori,Kato, Nobuo,Kawauchi, Susumu,Imase, Tatsuya,Watanabe, Junji,Irie, Masahiro

, p. 9306 - 9313 (1998)

The effect of inclusion of diarylethenes in cyclodextrin cavities on cyclization quantum yields and on circular dichroism (CD) spectral changes by photoirradiation was studied. The addition of β-and γ-cyclodextrins to an aqueous solution of the open-ring form of 2,2'-dimethyl-3,3'-(perfluoro- cyclopentene-1,2-diyl)bis(benzo[b]thiophene-6-sulfonate) (1a) increased the ratio of the antiparallel conformation. The enrichment of antiparallel conformation caused an increase in the photocyclization quantum yield of 1a. The CD spectral intensity of the mixtures of 1a or 2,2'4,4'-tetramethyl- 3,3'-(perfluorocyclopentene-1,2-dyl)bis(thiophen-5-yl-(phenyl-4-sulfonate)) (2a) and cyclodextrins in aqueous solution increased with the increasing concentration of cyclodextrins. The induced CD spectrum of 1 in β- cyclodextrin reversibly changed from negative to positive by UV irradiation. The spectral change was attributed to the change in the direction of transition moment of 1 in the cavity.

A general method for the synthesis of cyclodextrinyl aldehydes and carboxylic acids

Yoon,Hong,Martin,Czarnik

, p. 2792 - 2795 (1995)

The selective synthesis of the primary-side monoaldehyde of β-cyclodextrin, 6-deoxy-6-formyl-β-cyclodextrin, was accomplished by oxidation of the corresponding tosylate utilizing the Nace reaction (DMSO/collidine). This monoaldehyde was then used as the starting material in several reactions including reduction, addition of NaHSO3, addition of the α-nucleophiles hydroxylamine and hydrazine, and reductive amination. Of particular interest is the conversion of the monoaldehyde to the primary side carboxylic acid, 6-deoxy-6-carboxy-β-cyclodextrin, via bromine oxidation. This general method sequence can be applied to any tosyl derivative of cyclodextrin as demonstrated in the synthesis of β-cyclodextrin-A,D-dialdehyde and β-cyclodextrin-A,D-diacid.

Characterization of cyclodextrin glycosyltransferase immobilized on silica microspheres via aminopropyltrimethoxysilane as a spacer arm

Matte, Carla Roberta,Nunes, Michael Ramos,Benvenutti, Edilson Valmir,Schoeffer, Jessie Da Natividade,Ayub, Marco Antonio Zachia,Hertz, Plinho Francisco

, p. 51 - 56 (2012)

In this work, the enzymatic properties of immobilized cyclodextrin glycosyltransferase (CGTase) of Thermoanaerobacter sp. were investigated and compared with the soluble form of the enzyme. CGTase was immobilized on mesoporous silica microspheres synthesized using polyethylene glycol 400 as swelling agent, silanized with 3-aminopropyltrimethoxysilane (APTMS), and activated with glutaraldehyde prior to immobilization. This innovative approach for support preparation produced high yields of immobilization (83%) and activity recoveries (73%), which are the highest so far reported for CGTase. The soluble enzyme (CGTase) and its immobilized form (ImCGTase) showed similar values for the optimal pH activity, while optimal reaction temperatures were found to be 100 °C and 80 °C, respectively. The immobilized enzyme showed similar values for Km and thermal stabilities with the soluble form, while its Vmax was lower. The immobilized enzyme was tested in repeated batches in order to simulate recovery and reuse, keeping about 60% of the initial catalytic activity after 15 cycles, showing its good chemical and mechanical resistance.

Host - Guest interactions of 4-carboxyphenoxy phthalocyanines and β-cyclodextrins in aqueous media

Leng, Xuebing,Choi, Chi-Fung,Luo, Hai-Bin,Cheng, Yuen-Kit,Ng, Dennis K. P.

, p. 2497 - 2500 (2007)

β-Cyclodextrin and its permethylated derivatives form 2:1 inclusion complexes with tetrakis- and octakis(4-carboxyphenoxy)phthalocyanines 1-4, reducing their aggregation tendency and promoting their sensitization of singlet oxygen formation in aqueous media.

Preservation of Bacillus firmus strain 37 and optimization of cyclodextrin biosynthesis by cells immobilized on loofa sponge

Pazzetto, Rubia,De Souza Ferreira, Sabrina Barbosa,Santos, Elder James Silva,Moriwaki, Cristiane,Guedes, Teresinha Aparecida,Matioli, Graciette

, p. 9476 - 9488 (2012)

The preservation of Bacillus firmus strain 37 cells by lyophilization was evaluated and response surface methodology (RSM) was used to optimize the β-cyclodextrin (β-CD) production by cells immobilized on loofa sponge. Interactions were studied with the variables temperature, pH and dextrin concentration using a central composite design (CCD). Immobilization time influence on β-CD production was also investigated. B. firmus strain 37 cells remained viable after one year of storage, showing that the lyophilization is a suitable method for preservation of the microorganism. From the three-dimensional diagrams and contour plots, the best conditions for β-CD production were determined: temperature 60 °C, pH 8, and 18% dextrin. Considering that the amount of dextrin was high, a new assay was carried out, in which dextrin concentrations of 10, 15, and 18% were tested and the temperature of 60 °C and pH 8 were maintained. The results achieved showed very small differences and therefore, for economic reasons, the use of 10% dextrin is suggested. Increasing the immobilization time of cells immobilized on synthetic sponge the β-CD production decreased and did not change for cells immobilized on loofa sponge. The results of this research are important for microorganism preservation and essential in the optimization of the biosynthesis of CD.

An NMR study of cyclodextrin complexes of the steroidal neuromuscular blocker drug Rocuronium Bromide

Cameron, Kenneth S.,Fletcher, Dan,Fielding, Lee

, p. 251 - 260 (2002)

The interaction of Rocuronium Bromide, anda model steroid Org 7402, with three cyclodextrins (β-cyclodextrin, γ-cyclodextrin and Org 25969) was studied by solution state NMR experiments. Stoichiometries and binding constants were determined from 1/s

Chiral recognition for the complexation dynamics of β-cyclodextrin with the enantiomers of 2-naphthyl-1-ethanol

Tang, Hao,Sutherland, Andria S. M.,Osusky, Lana M.,Li, Yan,Holzwarth, Josef F.,Bohne, Cornelia

, p. 358 - 369 (2014)

The focus of this study is to understand the origin of the chiral recognition for a host-guest system containing complexes with different stoichiometries. Each enantiomer of 2-naphthyl-1-ethanol forms two different 1:1 complexes with β-cyclodextrin, leading to the formation of three different 2:2 complexes. One of these 2:2 complexes leads to excimer emission of the guest. Fluorescence studies were employed to determine the binding isotherms for the 1:1 and 2:2 complexes. No chiral discrimination was directly observed for the formation of the 1:1 complexes, while higher equilibrium constants (29% from binding isotherms and 40% from kinetic studies) were observed for the formation of the 2:2 complexes with (R)-2-naphthyl-1-ethanol when compared to the formation of the 2:2 complexes formed from (S)-2-naphthyl-1-ethanol. The relaxation kinetics was studied using stopped-flow experiments. The formation of the 2:2 complexes was followed by detecting the excimer emission from one of the 2:2 complexes. The relaxation kinetics was faster for (S)-2-naphthyl-1- ethanol, where a higher dissociation rate constant, by 47%, was observed, suggesting that the chiral discrimination occurs because the interaction between two cyclodextrins is more favorable for the complexes containing (R)-2-naphthyl-1-ethanol when compared to (S)-2-naphthyl-1-ethanol. The same overall equilibrium constants were observed for the 1:1 complexes with both enantiomers showing that at a given cyclodextrin concentration the sum of the two types of 1:1 complexes is the same for both enantiomers. However, analysis of the binding isotherms indicates that the ratio between the two different 1:1 complexes for each enantiomer was different for (R)- and (S)-2-naphthyl-1- ethanol. The Royal Society of Chemistry and Owner Societies.

Photoreversible [2] Catenane via the Host-Guest Interactions between a Palladium Metallacycle and β-Cyclodextrin

Zhang, Dengqing,Nie, Yong,Saha, Manik Lal,He, Zuoli,Jiang, Long,Zhou, Zhixuan,Stang, Peter J.

, p. 11807 - 11812 (2015)

We report the efficient preparation of an A2D2 (A = acceptor and D = donor) metallacycle 2 = [(en)2Pd2(1)2](NO3)4, using the coordination driven self-assembly of trans-azobenzene based bispyridyl ligand 1 and (en)Pd(NO3)2 (en = ethylenediamine). In the metallacycle, the trans-azobenzene units serve both as a structural element and as sites for subsequent host-guest chemistry with β-cyclodextrin, leading to the formation of a [2] catenane 3. This catenation process is reversible and can be switched off and on in a photocontrollable manner via the trans-cis isomerization of the azobenzene units.

DIBAL-H mediated triple and quadruple debenzylations of perbenzylated cyclodextrins

Rawal, Girish K.,Rani, Shikha,Ward, Sandra,Ling, Chang-Chun

, p. 171 - 180 (2010)

Diisobutylaluminium hydride (DIBAL-H) mediated reductive removal of benzyl groups was investigated for perbenzylated α-, β- and γ-cyclodextrins using DIBAL-H in hexane as the reagent. It was found that under the new conditions, the debenzylation can be better controlled to provide sequentially tri- and tetra-debenzylated products in moderate yields and in a regioselective manner. In the case of α-cyclodextrin, the removal of the third and fourth benzyl groups took a different path involving the secondary rim, compared to β- and γ-cyclodextrins which both gave only 6-O-debenzylated products. The Royal Society of Chemistry 2010.

Study of electron transfer reactions associated with benzyl viologen-β-cyclodextrin complexation in buffer solution of pH 7: Equilibrium and kinetic aspects

Perveen, Shazia,Naqvi, Iftikhar Imam,Masood, Summyia

, p. 1981 - 1985 (2020/09/02)

In this study, complex formation of benzyl viologen dication (BzV2+) with β-cyclodextrin (β-CD), in its different oxidation states, had been studied in buffer solution of pH 7, through cyclic voltammetry. In buffer solution of pH 7, extensive d

Enzyme-mediated dynamic combinatorial chemistry allows out-of-equilibrium template-directed synthesis of macrocyclic oligosaccharides

Larsen, Dennis,Beeren, Sophie R.

, p. 9981 - 9987 (2019/11/14)

We show that the outcome of enzymatic reactions can be manipulated and controlled by using artificial template molecules to direct the self-assembly of specific products in an enzyme-mediated dynamic system. Specifically, we utilize a glycosyltransferase to generate a complex dynamic mixture of interconverting linear and macrocyclic α-1,4-d-glucans (cyclodextrins). We find that the native cyclodextrins (α, β and γ) are formed out-of-equilibrium as part of a kinetically trapped subsystem, that surprisingly operates transiently like a Dynamic Combinatorial Library (DCL) under thermodynamic control. By addition of different templates, we can promote the synthesis of each of the native cyclodextrins with 89-99% selectivity, or alternatively, we can amplify the synthesis of unusual large-ring cyclodextrins (δ and ?) with 9 and 10 glucose units per macrocycle. In the absence of templates, the transient DCL lasts less than a day, and cyclodextrins convert rapidly to short maltooligosaccharides. Templates stabilize the kinetically trapped subsystem enabling robust selective synthesis of cyclodextrins, as demonstrated by the high-yielding sequential interconversion of cyclodextrins in a single reaction vessel. Our results show that given the right balance between thermodynamic and kinetic control, templates can direct out-of-equilibrium self-assembly, and be used to manipulate enzymatic transformations to favor specific and/or alternative products to those selected in Nature.

Preparation of α-hydroxyphenylacetic acid with cyclodextrins as an effective phase-transfer catalyst and its reaction mechanism

Tian, Bing Ren,Zhang, Rui Xia,Chu, Hui Min,Huang, Qing,Wang, Zhi Zhong

, p. 359 - 368 (2019/05/16)

An effective procedure for the synthesis of α-hydroxyphenylacetic acid with cyclodextrin (CD) catalysts was developed. The phase-transfer catalyst types, catalyst loadings, reaction times, reaction temperatures, and substrate molar ratios were investigated to optimize the reaction conditions. In addition, the factors that affect the reaction were studied, and the relationship between benzaldehyde and β-cyclodextrin (β-CD) was analyzed through 2D-ROESY. The equilibrium constant when β-CD was used as the catalyst was calculated. The results indicated that β-CD is the optimal catalyst for the reported reaction (yield: 69.08%). Furthermore, the mechanism underlying the reported reaction was proposed.

Process route upstream and downstream products

Process route

1-deoxy-1-fluoro-α-D-glucose
2106-10-7

1-deoxy-1-fluoro-α-D-glucose

β‐cyclodextrin
7585-39-9

β‐cyclodextrin

alpha cyclodextrin
10016-20-3

alpha cyclodextrin

Conditions
Conditions Yield
With sodium hydroxide; cyclodextrin-α(1-4)glucosyltransferase; In water; at 45 ℃; for 0.333333h; pH=6.0, sodium acetate buffer;
30%
38%
C<sub>42</sub>H<sub>70</sub>O<sub>35</sub>*C<sub>9</sub>H<sub>10</sub>O<sub>3</sub>

C42H70O35*C9H10O3

m-methoxyphenylacetic acid
1798-09-0

m-methoxyphenylacetic acid

β‐cyclodextrin
7585-39-9

β‐cyclodextrin

Conditions
Conditions Yield
With phosphate buffer; In water-d2; at 25 ℃; Equilibrium constant; Thermodynamic data; standard molar enthalpy ΔrH0, standard molar Gibbs energy ΔrG0, standard molar entropy ΔrS0;
C<sub>42</sub>H<sub>70</sub>O<sub>35</sub>*C<sub>10</sub>H<sub>12</sub>O<sub>2</sub>

C42H70O35*C10H12O2

4-Phenylbutyric acid
1821-12-1

4-Phenylbutyric acid

β‐cyclodextrin
7585-39-9

β‐cyclodextrin

Conditions
Conditions Yield
With phosphate buffer; In water-d2; at 25 ℃; Equilibrium constant; Thermodynamic data; standard molar enthalpy ΔrH0, standard molar Gibbs energy ΔrG0, standard molar entropy ΔrS0;
soluble starch

soluble starch

β‐cyclodextrin
7585-39-9

β‐cyclodextrin

cyclomaltooctaose
17465-86-0

cyclomaltooctaose

alpha cyclodextrin
10016-20-3

alpha cyclodextrin

Conditions
Conditions Yield
With cyclodextrin glycosyltransferase from Paenibacillus Sp F8; In phosphate buffer; pH=7.0; Enzymatic reaction;
β‐cyclodextrin
7585-39-9

β‐cyclodextrin

cyclomaltooctaose
17465-86-0

cyclomaltooctaose

alpha cyclodextrin
10016-20-3

alpha cyclodextrin

Conditions
Conditions Yield
With sodium phosphate buffer; Paenibacillus illinoisensis cyclodextrin glucanotransferase; In ethanol; water; at 30 ℃; for 24h; pH=7.0;
amylose

amylose

cyclomaltododecaose

cyclomaltododecaose

β‐cyclodextrin
7585-39-9

β‐cyclodextrin

cyclomaltooctaose
17465-86-0

cyclomaltooctaose

alpha cyclodextrin
10016-20-3

alpha cyclodextrin

Conditions
Conditions Yield
With Paenibacillus A11 cyclodextrin glycosyltransferase; In dimethyl sulfoxide; at 40 ℃; for 0.5h; pH=6; Temperature; Kinetics; aq. phosphate buffer; Enzymatic reaction;
cyclomaltooctaose
17465-86-0

cyclomaltooctaose

β‐cyclodextrin
7585-39-9

β‐cyclodextrin

alpha cyclodextrin
10016-20-3

alpha cyclodextrin

Conditions
Conditions Yield
With Bacillus macerans glucanotransferase; In aq. phosphate buffer; at 25 ℃; for 8h; pH=7.5; Enzymatic reaction;
malto-hexaose
34620-77-4

malto-hexaose

β‐cyclodextrin
7585-39-9

β‐cyclodextrin

cyclomaltooctaose
17465-86-0

cyclomaltooctaose

alpha cyclodextrin
10016-20-3

alpha cyclodextrin

Conditions
Conditions Yield
With Bacillus macerans glucanotransferase; In aq. phosphate buffer; at 25 ℃; for 6h; pH=7.5; Enzymatic reaction;
benzaldehyde/β-CyD complex (1:1)
64691-57-2

benzaldehyde/β-CyD complex (1:1)

benzaldehyde
100-52-7

benzaldehyde

β‐cyclodextrin
7585-39-9

β‐cyclodextrin

Conditions
Conditions Yield
In d(4)-methanol; water-d2; at 25 ℃; Equilibrium constant;
baicalein-β-cyclodextrin complex

baicalein-β-cyclodextrin complex

5,6,7-trihydroxy-2-phenyl-4H-1-benzopyran-4-one
491-67-8

5,6,7-trihydroxy-2-phenyl-4H-1-benzopyran-4-one

β‐cyclodextrin
7585-39-9

β‐cyclodextrin

Conditions
Conditions Yield
pH-value; Solvent; Equilibrium constant; aq. phosphate buffer;

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