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2-Pentenal, 5-[[(1,1-dimethylethyl)diphenylsilyl]oxy]-2,4-dimethyl-, (2E,4R)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

149915-92-4

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149915-92-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 149915-92-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,9,1 and 5 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 149915-92:
(8*1)+(7*4)+(6*9)+(5*9)+(4*1)+(3*5)+(2*9)+(1*2)=174
174 % 10 = 4
So 149915-92-4 is a valid CAS Registry Number.

149915-92-4Relevant academic research and scientific papers

Stereocontrol in asymmetric SE' reactions of γ-substituted α,β-unsaturated aldehydes

Williams, David R.,Atwater, Bruce A.,Bawel, Seth A.,Ke, Pucheng,Gutierrez, Osvaldo,Tantillo, Dean J.

supporting information, p. 468 - 471 (2014/04/03)

Asymmetric SE' reactions of (E)-and (Z)-γ-substituted-α,β- unsaturated aldehydes have been studied for the stereocontrolled preparation of nonracemic alcohols. Mild exchange reactions of allylic stannanes provide access to chiral 1,3-bis-(tolylsulfonyl)-4

α,ω-functionalized 2,4-dimethylpentane dyads and 2,4,6-trimethylheptane triads through asymmetric hydrogenation

Zhou, Jianguang,Burgess, Kevin

, p. 1129 - 1131 (2008/03/14)

A match made in heaven: All the possible stereoisomers of α,ω-functionalized 2,4-dimethylpentane dyad and 2,4,6-tri- methylheptane triad chirons (see picture; A and B, respectively; FG = functional group, PG = protecting group) can be reached by using a c

High ?-Face Selectivity in Anti Aldol Reactions of E-Enol Borinates from Chiral Alkoxymethyl Ketones: Stereocontrolled Synthesis of a C24-C32 Polyol Subunit of Rapamycin

Paterson, Ian,Tillyer, Richard D.

, p. 4182 - 4184 (2007/10/02)

Using (c-C6H11)2BCl/Et3N, the aldol reactions of the α-chiral alkoxymethyl ketones 5 and 6 with achiral aldehydes gives the 1,2-anti-2,4-anti adducts 7 and 8 in 83-95 percent yield with >/= 95 percent diastereoselectivity.This novel aldol reaction was applied to a concise and highly stereocontrolled synthesis of the C24-C32 subunit 9 of rapamycin (10).

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