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98169-85-8 Usage

Uses

Mono-6-deoxy-6-azido-β-cyclodextrin is a useful reactant in studying voltage-responsive vesicles based on orthogonal seembly of two homopolymers.

Check Digit Verification of cas no

The CAS Registry Mumber 98169-85-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,1,6 and 9 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 98169-85:
(7*9)+(6*8)+(5*1)+(4*6)+(3*9)+(2*8)+(1*5)=188
188 % 10 = 8
So 98169-85-8 is a valid CAS Registry Number.

98169-85-8 Well-known Company Product Price

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  • TCI America

  • (A3090)  6A-Azido-6A-deoxy-β-cyclodextrin  >85.0%(HPLC)

  • 98169-85-8

  • 100mg

  • 1,190.00CNY

  • Detail

98169-85-8SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name β-Cyclodextrin, 6A-azido-6A-deoxy-

1.2 Other means of identification

Product number -
Other names 6-Monoazido-6-deoxy-β-cyclodextrin

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:98169-85-8 SDS

98169-85-8Synthetic route

mono-6-deoxy-6-(p-tolylsulphonyl)-β-cyclodextrin
67217-55-4

mono-6-deoxy-6-(p-tolylsulphonyl)-β-cyclodextrin

mono(6-azido-6-deoxy)β-cyclodextrin
98169-85-8

mono(6-azido-6-deoxy)β-cyclodextrin

Conditions
ConditionsYield
With sodium azide; potassium iodide In N,N-dimethyl-formamide100%
With sodium azide In dimethyl sulfoxide at 90℃; for 12h;100%
With sodium azide100%
6-deoxy-6-iodo-β-cyclodextrin
29390-66-7

6-deoxy-6-iodo-β-cyclodextrin

mono(6-azido-6-deoxy)β-cyclodextrin
98169-85-8

mono(6-azido-6-deoxy)β-cyclodextrin

Conditions
ConditionsYield
With sodium azide In N,N-dimethyl-formamide at 60 - 63℃; for 24h;90%
mono-6-deoxy-6-(p-tolylsulfonyl)-β-cyclodextrin

mono-6-deoxy-6-(p-tolylsulfonyl)-β-cyclodextrin

mono(6-azido-6-deoxy)β-cyclodextrin
98169-85-8

mono(6-azido-6-deoxy)β-cyclodextrin

Conditions
ConditionsYield
With sodium azide at 80℃; for 72h;78%
β‐cyclodextrin
7585-39-9

β‐cyclodextrin

mono(6-azido-6-deoxy)β-cyclodextrin
98169-85-8

mono(6-azido-6-deoxy)β-cyclodextrin

Conditions
ConditionsYield
With lithium azide; carbon tetrabromide; triphenylphosphine In N,N-dimethyl-formamide for 15h; Ambient temperature;15%
With methanol; sodium azide; carbon tetrabromide; triphenylphosphine 1.) DMF, room temperature, 24 h; Yield given. Multistep reaction;
Stage #1: β‐cyclodextrin With p-toluenesulfonylanhydride
Stage #2: With sodium azide In N,N-dimethyl-formamide at 60℃;
Stage #1: β‐cyclodextrin With p-toluenesulfonyl chloride; sodium hydroxide In water at 5℃; for 0.666667h;
Stage #2: With sodium azide In water at 80℃; for 12h;
mono(6-azido-6-deoxy)β-cyclodextrin
98169-85-8

mono(6-azido-6-deoxy)β-cyclodextrin

methyl iodide
74-88-4

methyl iodide

mono-6-azido-6-deoxy-per-O-methyl-β-cyclodextrin
128262-67-9

mono-6-azido-6-deoxy-per-O-methyl-β-cyclodextrin

Conditions
ConditionsYield
Stage #1: mono(6-azido-6-deoxy)β-cyclodextrin With sodium hydride In N,N-dimethyl-formamide at 0 - 20℃; for 1.5h;
Stage #2: methyl iodide In N,N-dimethyl-formamide at 20℃; for 72h; Product distribution / selectivity;
100%
Stage #1: mono(6-azido-6-deoxy)β-cyclodextrin With sodium hydride In N,N-dimethyl-formamide
Stage #2: methyl iodide In N,N-dimethyl-formamide
97%
With sodium hydride In N,N-dimethyl-formamide at 0 - 20℃;90%
mono(6-azido-6-deoxy)β-cyclodextrin
98169-85-8

mono(6-azido-6-deoxy)β-cyclodextrin

ethanolamine
141-43-5

ethanolamine

6-deoxy-6-hydroxylethylamino-β-cyclodextrin
162615-68-1

6-deoxy-6-hydroxylethylamino-β-cyclodextrin

Conditions
ConditionsYield
With triphenylphosphine In N,N-dimethyl-formamide at 20℃; for 20h; Staudinger reaction;100%
propargyl β-D-glucopyranoside
34272-03-2, 151168-59-1, 151168-60-4

propargyl β-D-glucopyranoside

mono(6-azido-6-deoxy)β-cyclodextrin
98169-85-8

mono(6-azido-6-deoxy)β-cyclodextrin

1-(61-deoxycyclomaltoheptos-61-yl)-4-(β-D-glucopyranosyloxymethyl)-1H-1,2,3-triazole
1264047-84-8

1-(61-deoxycyclomaltoheptos-61-yl)-4-(β-D-glucopyranosyloxymethyl)-1H-1,2,3-triazole

Conditions
ConditionsYield
Stage #1: propargyl β-D-glucopyranoside; mono(6-azido-6-deoxy)β-cyclodextrin With copper(l) chloride In water for 0.166667h; Microwave irradiation;
Stage #2: In water regiospecific reaction;
100%
(S)-2-amino-3-phenyl-N-(prop-2-ynyl)propanamide
875478-11-8

(S)-2-amino-3-phenyl-N-(prop-2-ynyl)propanamide

mono(6-azido-6-deoxy)β-cyclodextrin
98169-85-8

mono(6-azido-6-deoxy)β-cyclodextrin

L-phenylalanine-N-[(1-β-cyclodextrinyl-1H-1,2,3-triazol-4-yl)methylamide]
1268671-17-5

L-phenylalanine-N-[(1-β-cyclodextrinyl-1H-1,2,3-triazol-4-yl)methylamide]

Conditions
ConditionsYield
With sodium ascorbate; copper(II) sulfate In water; dimethyl sulfoxide at 20℃; for 18h;100%
L-valine-N-propargylamide
1268671-04-0

L-valine-N-propargylamide

mono(6-azido-6-deoxy)β-cyclodextrin
98169-85-8

mono(6-azido-6-deoxy)β-cyclodextrin

L-valine-N-[(1-β-cyclodextrinyl-1H-1,2,3-triazol-4-yl)methylamide]
1268671-13-1

L-valine-N-[(1-β-cyclodextrinyl-1H-1,2,3-triazol-4-yl)methylamide]

Conditions
ConditionsYield
With sodium ascorbate; copper(II) sulfate In water; dimethyl sulfoxide at 20℃; for 18h;100%
L-isoleucine-N-propargylamide
1268671-05-1

L-isoleucine-N-propargylamide

mono(6-azido-6-deoxy)β-cyclodextrin
98169-85-8

mono(6-azido-6-deoxy)β-cyclodextrin

L-isoleucine-N-[(1-β-cyclodextrinyl-1H-1,2,3-triazol-4-yl)methylamide]
1268671-14-2

L-isoleucine-N-[(1-β-cyclodextrinyl-1H-1,2,3-triazol-4-yl)methylamide]

Conditions
ConditionsYield
With sodium ascorbate; copper(II) sulfate In water; dimethyl sulfoxide at 20℃; for 18h;100%
L-leucine-N-propargylamide
1268671-06-2

L-leucine-N-propargylamide

mono(6-azido-6-deoxy)β-cyclodextrin
98169-85-8

mono(6-azido-6-deoxy)β-cyclodextrin

L-leucine-N-[(1-β-cyclodextrinyl-1H-1,2,3-triazol-4-yl)methylamide]
1268671-15-3

L-leucine-N-[(1-β-cyclodextrinyl-1H-1,2,3-triazol-4-yl)methylamide]

Conditions
ConditionsYield
With sodium ascorbate; copper(II) sulfate In water; dimethyl sulfoxide at 20℃; for 18h;100%
C9H10N2O2
1268671-07-3

C9H10N2O2

mono(6-azido-6-deoxy)β-cyclodextrin
98169-85-8

mono(6-azido-6-deoxy)β-cyclodextrin

α-N-(1-β-cyclodextrinyl-1H-1,2,3-triazol-4-yl)-L-alanine-N-[(1-β-cyclodextrinyl-1H-1,2,3-triazol-4-yl)methylamide]
1268671-19-7

α-N-(1-β-cyclodextrinyl-1H-1,2,3-triazol-4-yl)-L-alanine-N-[(1-β-cyclodextrinyl-1H-1,2,3-triazol-4-yl)methylamide]

Conditions
ConditionsYield
With sodium ascorbate; copper(II) sulfate In water; N,N-dimethyl-formamide at 60℃; for 2.25h; Microwave irradiation;100%
C11H14N2O2
1268671-08-4

C11H14N2O2

mono(6-azido-6-deoxy)β-cyclodextrin
98169-85-8

mono(6-azido-6-deoxy)β-cyclodextrin

α-N-(1-β-cyclodextrinyl-1H-1,2,3-triazol-4-yl)-L-valine-N-[(1-β-cyclodextrinyl-1H-1,2,3-triazol-4-yl)methylamide]
1268671-21-1

α-N-(1-β-cyclodextrinyl-1H-1,2,3-triazol-4-yl)-L-valine-N-[(1-β-cyclodextrinyl-1H-1,2,3-triazol-4-yl)methylamide]

Conditions
ConditionsYield
With sodium ascorbate; copper(II) sulfate In water; N,N-dimethyl-formamide at 60℃; for 2.25h; Microwave irradiation;100%
C12H16N2O2
1268671-09-5

C12H16N2O2

mono(6-azido-6-deoxy)β-cyclodextrin
98169-85-8

mono(6-azido-6-deoxy)β-cyclodextrin

α-N-(1-β-cyclodextrinyl-1H-1,2,3-triazol-4-yl)-L-isoleucine-N-[(1-β-cyclodextrinyl-1H-1,2,3-triazol-4-yl)methylamide]
1268671-22-2

α-N-(1-β-cyclodextrinyl-1H-1,2,3-triazol-4-yl)-L-isoleucine-N-[(1-β-cyclodextrinyl-1H-1,2,3-triazol-4-yl)methylamide]

Conditions
ConditionsYield
With sodium ascorbate; copper(II) sulfate In water; N,N-dimethyl-formamide at 60℃; for 2.25h; Microwave irradiation;100%
C12H16N2O2
1268671-10-8

C12H16N2O2

mono(6-azido-6-deoxy)β-cyclodextrin
98169-85-8

mono(6-azido-6-deoxy)β-cyclodextrin

α-N-(1-β-cyclodextrinyl-1H-1,2,3-triazol-4-yl)-L-leucine-N-[(1-β-cyclodextrinyl-1H-1,2,3-triazol-4-yl)methylamide]
1268671-23-3

α-N-(1-β-cyclodextrinyl-1H-1,2,3-triazol-4-yl)-L-leucine-N-[(1-β-cyclodextrinyl-1H-1,2,3-triazol-4-yl)methylamide]

Conditions
ConditionsYield
With sodium ascorbate; copper(II) sulfate In water; N,N-dimethyl-formamide at 60℃; for 2.25h; Microwave irradiation;100%
mono(6-azido-6-deoxy)β-cyclodextrin
98169-85-8

mono(6-azido-6-deoxy)β-cyclodextrin

L-alanine-N-propargylamide
674778-56-4

L-alanine-N-propargylamide

L-alanine-N-[(1-β-cyclodextrinyl-1H-1,2,3-triazol-4-yl)methylamide]
1268671-12-0

L-alanine-N-[(1-β-cyclodextrinyl-1H-1,2,3-triazol-4-yl)methylamide]

Conditions
ConditionsYield
With sodium ascorbate; copper(II) sulfate In water; dimethyl sulfoxide at 20℃; for 18h;100%
mono(6-azido-6-deoxy)β-cyclodextrin
98169-85-8

mono(6-azido-6-deoxy)β-cyclodextrin

6(I)-amino-6(I)-deoxycyclomaltoheptaose
29390-67-8

6(I)-amino-6(I)-deoxycyclomaltoheptaose

Conditions
ConditionsYield
With triphenylphosphine In N,N-dimethyl-formamide for 1h; Ambient temperature;99%
Stage #1: mono(6-azido-6-deoxy)β-cyclodextrin With triphenylphosphine In N,N-dimethyl-formamide for 2h;
Stage #2: With water In N,N-dimethyl-formamide for 0.5h; Heating;
97%
Stage #1: mono(6-azido-6-deoxy)β-cyclodextrin With triphenylphosphine In N,N-dimethyl-formamide at 20℃;
Stage #2: With ammonium hydroxide In N,N-dimethyl-formamide at 20℃; for 0.166667h;
95%
mono(6-azido-6-deoxy)β-cyclodextrin
98169-85-8

mono(6-azido-6-deoxy)β-cyclodextrin

acetic anhydride
108-24-7

acetic anhydride

2A,2B,2C,2D,2E,2F,2G,3A,3B,3C,3D,3E,3F,3G,6A,6B,6C,6D,6E,6F,6G-icosa-O-acetyl-6A-azido-6A-deoxy-β-cyclodextrin

2A,2B,2C,2D,2E,2F,2G,3A,3B,3C,3D,3E,3F,3G,6A,6B,6C,6D,6E,6F,6G-icosa-O-acetyl-6A-azido-6A-deoxy-β-cyclodextrin

Conditions
ConditionsYield
With pyridine at 80℃; for 17h; Inert atmosphere; Schlenk technique;99%
With pyridine for 7h;91%
4-(4-methylphenoxy)but-1-yn
391678-46-9

4-(4-methylphenoxy)but-1-yn

mono(6-azido-6-deoxy)β-cyclodextrin
98169-85-8

mono(6-azido-6-deoxy)β-cyclodextrin

mono-6-[4-(2-(p-tolyloxy)ethyl)-1H-1,2,3-triazol-1-yl]-6-deoxy-β-cyclodextrin

mono-6-[4-(2-(p-tolyloxy)ethyl)-1H-1,2,3-triazol-1-yl]-6-deoxy-β-cyclodextrin

Conditions
ConditionsYield
With copper(II) sulfate; ascorbic acid; tris[(1-benzyl-1H-1,2,3-triazol-4yl)methyl]amine In water; dimethyl sulfoxide at 50℃; for 16h; Inert atmosphere;99%
(pent-4-yn-1-yloxy)benzene
92635-89-7

(pent-4-yn-1-yloxy)benzene

mono(6-azido-6-deoxy)β-cyclodextrin
98169-85-8

mono(6-azido-6-deoxy)β-cyclodextrin

mono(6-deoxy-6-(1-1,2,3-triazo-4-yl)-1-propane-3-O-(phenyl))-β-cyclodextrin

mono(6-deoxy-6-(1-1,2,3-triazo-4-yl)-1-propane-3-O-(phenyl))-β-cyclodextrin

Conditions
ConditionsYield
With copper(II) sulfate; ascorbic acid; tris[(1-benzyl-1H-1,2,3-triazol-4yl)methyl]amine In water; dimethyl sulfoxide at 50℃; for 16h; Inert atmosphere;98%
mono(6-azido-6-deoxy)β-cyclodextrin
98169-85-8

mono(6-azido-6-deoxy)β-cyclodextrin

5-(4-methylphenoxy)pent-1-yn

5-(4-methylphenoxy)pent-1-yn

mono-6-[4-(3-(p-tolyloxy)propyl)-1H-1,2,3-triazol-1-yl]-6-deoxy-β-cyclodextrin

mono-6-[4-(3-(p-tolyloxy)propyl)-1H-1,2,3-triazol-1-yl]-6-deoxy-β-cyclodextrin

Conditions
ConditionsYield
With copper(II) sulfate; ascorbic acid; tris[(1-benzyl-1H-1,2,3-triazol-4yl)methyl]amine In water; dimethyl sulfoxide at 50℃; for 16h; Inert atmosphere;98%
2-(4-(prop-2-ynyloxy)phenyl)acetic acid

2-(4-(prop-2-ynyloxy)phenyl)acetic acid

mono(6-azido-6-deoxy)β-cyclodextrin
98169-85-8

mono(6-azido-6-deoxy)β-cyclodextrin

C53H79N3O37

C53H79N3O37

Conditions
ConditionsYield
With copper(II) sulfate; sodium L-ascorbate In water; dimethyl sulfoxide at 50℃; for 24h; Inert atmosphere;98%
carbon dioxide
124-38-9

carbon dioxide

mono(6-azido-6-deoxy)β-cyclodextrin
98169-85-8

mono(6-azido-6-deoxy)β-cyclodextrin

N,N-bis(6A-deoxy-β-cyclodextrin-6A-yl)urea
179026-68-7

N,N-bis(6A-deoxy-β-cyclodextrin-6A-yl)urea

Conditions
ConditionsYield
With triphenylphosphine In N,N-dimethyl-formamide for 30h; Ambient temperature;96%
With triphenylphosphine In N,N-dimethyl-formamide for 30h; Ambient temperature;91%
1-methoxy-4-(pent-4-yn-1-yloxy)benzene
139063-66-4

1-methoxy-4-(pent-4-yn-1-yloxy)benzene

mono(6-azido-6-deoxy)β-cyclodextrin
98169-85-8

mono(6-azido-6-deoxy)β-cyclodextrin

mono-6-[4-(3-(4-methoxyphenoxy)propyl)-1H-1,2,3-triazol-1-yl]-6-deoxy-β-cyclodextrin
1358937-08-2

mono-6-[4-(3-(4-methoxyphenoxy)propyl)-1H-1,2,3-triazol-1-yl]-6-deoxy-β-cyclodextrin

Conditions
ConditionsYield
With copper(II) sulfate; ascorbic acid; tris[(1-benzyl-1H-1,2,3-triazol-4yl)methyl]amine In water; dimethyl sulfoxide at 50℃; for 16h; Inert atmosphere;96%
mono(6-azido-6-deoxy)β-cyclodextrin
98169-85-8

mono(6-azido-6-deoxy)β-cyclodextrin

phenylacetylene
536-74-3

phenylacetylene

61-deoxy-61-(4-phenyl-1H-1,2,3-triazol-1-yl)-β-cyclodextrin
1049685-48-4

61-deoxy-61-(4-phenyl-1H-1,2,3-triazol-1-yl)-β-cyclodextrin

Conditions
ConditionsYield
With CuI/charcoal In water; tert-butyl alcohol at 85℃; for 0.333333h; Huisgen 1,3-dipolar cycloaddition; microwave irradiation;95%
With copper(l) iodide In N,N-dimethyl-formamide at 50℃; for 24h;91%
With copper In neat (no solvent) for 0.5h; Milling;81%
In N,N-dimethyl-formamide for 2h; Huisgen cycloaddition; Microwave irradiation; Sonication; regioselective reaction;80%
4-(4-nitrophenoxy)but-1-yn
191610-38-5

4-(4-nitrophenoxy)but-1-yn

mono(6-azido-6-deoxy)β-cyclodextrin
98169-85-8

mono(6-azido-6-deoxy)β-cyclodextrin

mono-6-[4-(2-(4-nitrophenoxy)ethyl)-1H-1,2,3-triazol-1-yl]-6-deoxy-β-cyclodextrin

mono-6-[4-(2-(4-nitrophenoxy)ethyl)-1H-1,2,3-triazol-1-yl]-6-deoxy-β-cyclodextrin

Conditions
ConditionsYield
With copper(II) sulfate; ascorbic acid; tris[(1-benzyl-1H-1,2,3-triazol-4yl)methyl]amine In water; dimethyl sulfoxide at 50℃; for 16h; Inert atmosphere;95%
DHA

DHA

mono(6-azido-6-deoxy)β-cyclodextrin
98169-85-8

mono(6-azido-6-deoxy)β-cyclodextrin

C52H80N2O40

C52H80N2O40

Conditions
ConditionsYield
With copper(ll) sulfate pentahydrate In N,N-dimethyl-formamide for 12h; Inert atmosphere; Darkness;95%
9-O-propargylquinidine

9-O-propargylquinidine

mono(6-azido-6-deoxy)β-cyclodextrin
98169-85-8

mono(6-azido-6-deoxy)β-cyclodextrin

6I-deoxy-6I-((4-((R)-(6-methoxyquinolin-4-yl)(5-vinylquinuclidin-2-yl)methoxy)methyl)-1H-1,2,3-triazol-1-yl)-β-CD

6I-deoxy-6I-((4-((R)-(6-methoxyquinolin-4-yl)(5-vinylquinuclidin-2-yl)methoxy)methyl)-1H-1,2,3-triazol-1-yl)-β-CD

Conditions
ConditionsYield
With copper(l) iodide In N,N-dimethyl-formamide Heating;95%
1-Pentyne
627-19-0

1-Pentyne

mono(6-azido-6-deoxy)β-cyclodextrin
98169-85-8

mono(6-azido-6-deoxy)β-cyclodextrin

C47H77N3O34

C47H77N3O34

Conditions
ConditionsYield
Stage #1: mono(6-azido-6-deoxy)β-cyclodextrin With para-methoxynitrobenzene In water; dimethyl sulfoxide at 20℃; Inert atmosphere;
Stage #2: 1-Pentyne With sodium L-ascorbate In water; dimethyl sulfoxide at 20 - 50℃; Inert atmosphere;
Stage #3: With copper(II) sulfate In water; dimethyl sulfoxide at 50℃; for 24h; Inert atmosphere;
95%
mono(6-azido-6-deoxy)β-cyclodextrin
98169-85-8

mono(6-azido-6-deoxy)β-cyclodextrin

1-but-3-ynyloxy-4-methoxy-benzene
120211-74-7

1-but-3-ynyloxy-4-methoxy-benzene

mono-6-[4-(2-(4-methoxyphenoxy)ethyl)-1H-1,2,3-triazol-1-yl]-6-deoxy-β-cyclodextrin

mono-6-[4-(2-(4-methoxyphenoxy)ethyl)-1H-1,2,3-triazol-1-yl]-6-deoxy-β-cyclodextrin

Conditions
ConditionsYield
With copper(II) sulfate; ascorbic acid; tris[(1-benzyl-1H-1,2,3-triazol-4yl)methyl]amine In water; dimethyl sulfoxide at 50℃; for 16h; Inert atmosphere;94%

98169-85-8Relevant articles and documents

Synthesis of new water soluble β-cyclodextrin@curcumin conjugates and in vitro safety evaluation in primary cultures of rat cortical neurons

Mihoub, Amina Ben,Acherar, Samir,Frochot, Céline,Malaplate, Catherine,Yen, Frances T.,Arab-Tehrany, Elmira

, (2021/03/24)

Self-aggregation of Curcumin (Cur) in aqueous biological environment decreases its bioavailability and in vivo therapeutic efficacy, which hampers its clinical use as candidate for reducing risk of neurodegenerative diseases. Here, we focused on the design of new Cur-β-Cyclodextrin nanoconjugates to improve the solubility and reduce cell toxicity of Cur. In this study, we described the synthesis, structural characterization, photophysical properties and neuron cell toxicity of two new water soluble β-CD/Cur nanoconjugates as new strategy for reducing risks of neurodegenerative diseases. Cur was coupled to one or two β-CD molecules via triazole rings using CuAAC click chemistry strategy to yield β-CD@Cur and (β-CD)2 @Cur nanoconjugates, respectively. The synthesized nanoconjugates were found to be able to self-assemble in aqueous condition and form nano-aggregates of an average diameter size of around 35 and 120 nm for β-CD@Cur and (β-CD)2 @Cur, respectively. The photophysical properties, water solubility and cell toxicity on rat embryonic cortical neurons of the designed nanoconjugates were investigated and compared to that of Cur alone. The findings revealed that both new nanoconjugates displayed better water solubility and in vitro biocompatibility than Cur alone, thus making it possible to envisage their use as future nano-systems for the prevention or risk reduction of neurodegenerative diseases.

Improved Synthesis of C2 and C6 Monoderivatives of α- And β-Cyclodextrin via the Click Chemistry Approach

Chmurski, Kazimierz,Stepniak, Pawel,Jurczak, Janusz

, p. 1838 - 1843 (2015/06/30)

An efficient multigram-scale azide-alkyne coupling of cyclodextrin derivatives mono-6-azido-6-deoxy-β-cyclodextrin, mono-2-O-propargyl-β-cyclodextrin, and mono-2-O-propargyl-α-cyclodextrin with terminal alkynyl aryl ethers or azides, mediated by copper(I) is reported. This process uses a stoichiometric ratio of substrates and 5 mol% of the copper catalyst to give the products with full conversion; thus, no chromatographic purification is necessary. The yields of both α- and β-cyclodextrin derivatives are in the range of 80 to 99%.

Nucleic acid complexes

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Page/Page column, (2015/01/07)

The invention relates to nucleic acid complexes, methods of preparation thereof, and uses thereof for delivering a nucleic acid into a cell.

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