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74262-56-9

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74262-56-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74262-56-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,2,6 and 2 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 74262-56:
(7*7)+(6*4)+(5*2)+(4*6)+(3*2)+(2*5)+(1*6)=129
129 % 10 = 9
So 74262-56-9 is a valid CAS Registry Number.

74262-56-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 15, 2017

Revision Date: Aug 15, 2017

1.Identification

1.1 GHS Product identifier

Product name (2R)-2-(tert-butyldimethylsilyloxy)propanal

1.2 Other means of identification

Product number -
Other names .(R)-2-(tert-butyldimethylsilyloxy)propanal

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:74262-56-9 SDS

74262-56-9Downstream Products

74262-56-9Relevant articles and documents

Structure–activity relationship study of the anti-obesity natural product yoshinone A

Kawazoe, Yoshinori,Itakura, Yuki,Inuzuka, Toshiyasu,Omura, Sachikazu,Uemura, Daisuke

, p. 226 - 232 (2021/03/06)

Yoshinone A was derived from marine algae and shown to inhibit adipogenic differentiation. The natural compound is composed of a γ-pyrone ring and a side chain and that contains two asymmetric carbons. Although their absolute configuration has been determ

Stereoselective Total Synthesis of (+)-Aristolactam GI

Luong, Tuan M.,Pilkington, Lisa I.,Barker, David

, p. 5747 - 5756 (2019/05/10)

Aristolactams are an important subgroup of aporphinoids, which all share a common phenanthrene chromophore motif that is thought to be responsible for the range of interesting physicochemical and biological properties exhibited by these compounds. Among all of the aristolactams discovered, (+)-aristolactam GI displays a unique structural feature of having the aristolactam scaffold linked via a benzodioxane ring to a phenyl propanoid unit, resulting in the compound being an aporphinoid-lignan hybrid. The synthesis of (+)-aristolactam GI was achieved first by synthesis of an orthogonally protected aristolactam, which was prepared using a Suzuki/aldol cascade to convert a differentially protected isoindolin-1-one to the required phenanthrene. The required enantiopure phenyl propanoid unit was prepared from readily available (R)-methyl lactate. A selective Mitsunobu reaction was used to combine these two key fragments, prior to the formation of the linking benzodioxane in the final step. The absolute stereochemistry of the natural product was confirmed to be 7′S, 8′S.

Total Synthesis and Structure Revision of Diplobifuranylone B

Cheng, Xinpeng,Quintanilla, Carlos D.,Zhang, Liming

, p. 11054 - 11060 (2019/09/12)

An asymmetric total synthesis of diplobifuranylone B was achieved in 10 steps for the longest linear sequence and in 15.8% overall yield from commercially available methyl (R)-(+)-lactate and l-glutamic acid. This synthesis features a stereoselective construction of the key 2,5-dihydrofuran ring in the natural product via a recently developed asymmetric gold catalysis. The stereochemical flexibility offered by the catalysis enables an expedient revision of the reported structure of diplobifuranylone B, where the relative stereochemistry of the 2,5-dihydrofuran moiety was previously misassigned as cis instead of trans.

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