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(1R,2S)-2-(tert-butyldiphenylsilyloxy)methyl-1-formylcyclopropane is a cyclopropane derivative featuring a formyl group, a silyloxy functional group, and a tert-butyldiphenylsilyl group attached to a cyclopropane ring. This complex organic molecule is valued for its unique structure and reactivity, making it a versatile building block in organic synthesis.

251444-03-8

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  • (1R,2S)-2-(((tert-Butyldiphenylsilyl)oxy)methyl)cyclopropane-1-carbaldehyde

    Cas No: 251444-03-8

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251444-03-8 Usage

Uses

Used in Organic Synthesis:
(1R,2S)-2-(tert-butyldiphenylsilyloxy)methyl-1-formylcyclopropane serves as a versatile building block for the preparation of complex organic molecules. Its presence in organic synthesis is attributed to its ability to be transformed into a variety of other organic compounds.
Used in Pharmaceutical Development:
In the pharmaceutical industry, (1R,2S)-2-(tert-butyldiphenylsilyloxy)methyl-1-formylcyclopropane is used as an intermediate in the synthesis of new drugs. Its formyl group makes it a potential precursor for the production of alcohols, aldehydes, and carboxylic acids, which are essential components in medicinal chemistry.
Used in Agrochemical Production:
Similarly, in agrochemicals, (1R,2S)-2-(tert-butyldiphenylsilyloxy)methyl-1-formylcyclopropane is utilized as a key intermediate for synthesizing various agrochemical compounds, contributing to the development of new pesticides and other agricultural products.
Used in Material Science:
(1R,2S)-2-(tert-butyldiphenylsilyloxy)methyl-1-formylcyclopropane also finds application in material science, where it can be used to develop new materials with specific properties, such as polymers and other advanced materials for various industrial applications.

Check Digit Verification of cas no

The CAS Registry Mumber 251444-03-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,1,4,4 and 4 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 251444-03:
(8*2)+(7*5)+(6*1)+(5*4)+(4*4)+(3*4)+(2*0)+(1*3)=108
108 % 10 = 8
So 251444-03-8 is a valid CAS Registry Number.

251444-03-8Relevant articles and documents

MACROCYCLIC INHIBITORS OF PEPTIDYLARGININE DEIMINASES

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Page/Page column 259; 294-295; 297-298; 314; 367-368, (2021/11/06)

The present disclosure relates to novel compounds for use in therapeutic treatement of a disease associated with peptidylarginine deiminases (PADs), such as peptidylarginine deiminase type 4 (PAD4). The present disclosure also relates to processes and intermediates for the preparation of such compounds, methods of using such compounds and pharmaceutical compositions comprising the compounds described herein.

Synthesis of Chiral cis-Cyclopropane Bearing Indole and Chromone as Potential TNFα Inhibitors

Kanada, Ryutaro,Tanabe, Makoto,Muromoto, Ryuta,Sato, Yukina,Kuwahara, Tomoki,Fukuda, Hayato,Arisawa, Mitsuhiro,Matsuda, Tadashi,Watanabe, Mizuki,Shuto, Satoshi

, p. 7672 - 7682 (2018/07/25)

Conformationally restricted analogues of SPD-304, the first small-molecule TNFα inhibitor, in which two heteroaryl groups, indole and chromone, are connected by chiral methyl- or ethyl-cis-cyclopropane, were designed. Synthesis of these molecules was achieved via Suzuki-Miyaura or Stille coupling reactions with chiral bromomethylenecyclopropane or iodovinyl-cis-cyclopropane as the substrate, both of which were prepared from chiral methylenecyclopropane as a common intermediate, constructing the heteroaryl-methyl or -ethyl-cis-cyclopropane structures as key steps. This study presents an efficient synthesis of a series of chiral cis-cyclopropane conjugates with two heteroaryl groups.

Potent proteasome inhibitors derived from the unnatural cis-cyclopropane isomer of belactosin a: Synthesis, biological activity, and mode of action

Kawamura, Shuhei,Unno, Yuka,List, Anja,Mizuno, Akirai,Tanaka, Motohiro,Sasaki, Takuma,Arisawa, Mitsuhiro,Asai, Akira,Groll, Michael,Shuto, Satoshi

supporting information, p. 3689 - 3700 (2013/06/27)

The natural product belactosin A (1) with a trans-cyclopropane structure is a useful prototype compound for developing potent proteasome (core particle, CP) inhibitors. To date, 1 and its analogues are the only CP ligands that bind to both the nonprimed S1 pocket as well as the primed substrate binding channel; however, these molecules harbor a high IC50 value of more than 1 μM. We have performed structure-activity relationship studies, thereby elucidating unnatural cis-cyclopropane derivatives of 1 that exhibit high potency to primarily block the chymotrypsin-like active site of the human constitutive (cCP) and immunoproteasome (iCP). The most active compound 3e reversibly inhibits cCP and iCP similarly with an IC50 of 5.7 nM. X-ray crystallographic analysis of the yeast proteasome in complex with 3e revealed that the ligand is accommodated predominantly into the primed substrate binding channel and covalently binds to the active site threonine residue via its β-lactone ring-opening.

Stereochemical diversity-oriented conformational restriction strategy. Development of potent histamine H3 and/or H4 receptor antagonists with an imidazolylcyclopropane structure

Watanabe, Mizuki,Kazuta, Yuji,Hayashi, Hideki,Yamada, Shizuo,Matsuda, Akira,Shuto, Satoshi

, p. 5587 - 5596 (2007/10/03)

The stereochemical diversity-oriented conformational restriction strategy can be an efficient method for developing specific ligands for drug target proteins, especially in cases where neither the bioactive conformation nor the pharmacophore is known. To

Development of versatile cis- and trans-dicarbon-substituted chiral cyclopropane units: Synthesis of (1S,2R)- and (1R,2R)-2-aminomethyl-1-(1H-imidazol-4-yl)cyclopropanes and their enantiomers as conformationally restricted analogues of histamine

Kazuta, Yuji,Matsuda, Akira,Shuto, Satoshi

, p. 1669 - 1677 (2007/10/03)

The cyclopropane ring can be used effectively in restricting the conformation of biologically active compounds to improve activity and also to investigate bioactive conformations. We designed (1S,2R)- and (1R,2R)-2-aminomethyl-1-(1H-imidazol-4-yl)cyclopropanes (1 and 2, respectively) and their enantiomers (ent-1 and ent-2) as conformationally restricted analogues of histamine. The four types of chiral cyclopropanes bearing two differentially functionalized carbon substituents in a cis or trans relationship on a cyclopropane ring, (1S,2R)-2-(tert-butyldiphenylsilyloxy)methyl-1-formyl-cyclopropane (7) and (1R,2R)-2-(tert-butyldiphenylsilyloxy)methyl-1-formylcyclopropane (8) and their enantiomers (ent-7 and ent-8), were developed as the key intermediates for synthesizing 1, 2, ent-1, and ent-2. The reaction between (R)-epichlorohydrin [(R)-12] and phenylsulfonylacetonitrile (13a) in the presence of NaOEt in EtOH followed by treatment with acid gave the chiral cyclopropane lactone 11a with 98% ee in 82% yield. Compound 11a was converted into both the cis- and transchiral cyclopropane units 7 and 8, respectively, via reductive desulfonylation with Mg/MeOH as the key step. The corresponding enantiomers, the cis-substituted ent-7 and the trans-substituted ent-8, were also prepared starting from (S)-epichlorohydrin [(S)-12]. The four conformationally restricted target histamine analogues 1, 2, ent-1, and ent-2 were successfully synthesized from 7, 8, ent-7, and ent-8, respectively. The chiral cyclopropane units 7, 8, ent-7, and ent-8 should be useful as versatile intermediates for synthesizing various compounds having an asymmetric cyclopropane structure.

Synthesis of analogues of the marine anti-tumour agent curacin

Martin, Barbara K. D.,Mann, John,Sageot, Olivia A.

, p. 2455 - 2460 (2007/10/03)

A concise, multigram synthesis of (4R)-2-[(1′R2′S)-1′, 2′-methano-3′-(/er/-butyldiphenylsiloxy)propyl]-4-hydroxymethyl-4, 5-dihydrothiazole has been achieved, and this compound has been used for the production of a range of analogues of the anti-mitotic a

Efficient asymmetric synthesis of cis-2-methylcyclopropanecarboxylic acid

Onoda, Toshihiko,Shirai, Ryuichi,Kawai, Nobuyuki,Iwasaki, Shigeo

, p. 13327 - 13338 (2007/10/03)

We have developed a versatile method for the synthesis of enantiomerically pure cis-2-methylcyclopropanecarboxylic acid (-)-2, a component of curacin A, and its enantiomer, (+)-2. Double-asymmetric Simmons-Smith cyclopropanation of the dienes 5 and 9 derived from diethyl L-tartrate proceeded with excellent diastereofacial selectivity (>99% de) to give the dicyclopropanes 6 and 10, which were converted to both enantiomers of 2.

Design and synthesis of 2'-hydroxyethylcyclopropyl carbocyclic nucleosides

Yang, Te-Fang,Kim, Hongbum,Kotra, Lakshmi P.,Chu, Chung K.

, p. 8849 - 8852 (2007/10/03)

The enantiomeric synthesis of β-D-cyclopropyl carbocyclic nucleosides was achieved via the key intermediate 5. Thymine and uracil derivatives 7 and 9 were obtained by oxidation, Curtius rearrangement and the standard construction method of pyrimidines. The cytosine derivative 10 was prepared from 9 via the 4-triazole intermediate. Copyright (C) 1996 Elsevier Science Ltd.

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