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2-Pentenoic acid, 5-[[(1,1-dimethylethyl)diphenylsilyl]oxy]-, ethyl ester, (2E)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

256494-25-4

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256494-25-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 256494-25-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,6,4,9 and 4 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 256494-25:
(8*2)+(7*5)+(6*6)+(5*4)+(4*9)+(3*4)+(2*2)+(1*5)=164
164 % 10 = 4
So 256494-25-4 is a valid CAS Registry Number.

256494-25-4Downstream Products

256494-25-4Relevant academic research and scientific papers

Enantioselective synthesis of the C5-C23 segment of biselyngbyaside

Chandrasekhar, Srivari,Rajesh, Gontla,Naresh, Tumma

, p. 252 - 255 (2013/02/23)

Stereo and enantioselective synthesis of C5-C23 fragment of cytotoxic marine natural product biselyngbyaside is achieved using E-selective methyl lithium addition onto enyne, Crimmin's acetate aldol reaction, Sharpless asymmetric epoxidation, and Julia-Kocienski olefination as the key steps.

Synthesis of the FG ring fragment of pectenotoxins 1-9

Heapy, Amanda M.,Brimble, Margaret A.

scheme or table, p. 5424 - 5431 (2010/08/13)

The synthesis of the FG ring fragment common to pectenotoxins 1-9 is reported.The successful, convergent synthesis relied on high yielding routes to access two key intermediates; aldehyde 1 and phosphonium salt 2.A Z-selective Wittig reaction gave access

Synthesis of the FG fragment of the pectenotoxins

Heapy, Amanda M.,Wagner, Thomas W.,Brimble, Margaret M.

, p. 2359 - 2362 (2008/03/13)

The synthesis of the FG subunit of the pectenotoxins is reported herein. The synthesis hinges on the preparation of an appropriately functionalized acyclic precursor using a Z-selective Wittig reaction. Further elaboration using two sequential cyclization

A total synthesis of the antitumour macrolide rhizoxin D

Mitchell, Ian S.,Pattenden, Gerald,Stonehouse, Jeffrey

, p. 4412 - 4431 (2007/10/03)

An enantioselective synthesis of rhizoxin D (2), isolated from the plant pathogenic fungus Rhizopus chinensis, is described. The overall strategy is based on elaboration of the δ-lactone-substituted vinyl stannane 7 and the phosphonate-substituted vinyl i

Attempt to rationalize the diastereoselectivity in the addition of ester enolate to optically active α,β-epoxyaldehydes

Nacro,Baltas,Gorrichon

, p. 14013 - 14030 (2007/10/03)

Aldol condensations on α,β-epoxyaldehyde having a remote alkoxy group have been realized. A rationalization of the outcome of this condensation is discussed, relying on the dominant conformers revealed by molecular modeling of anti and syn γ,δ-epoxy β-hyd

Die Struktur von Maitotoxin - II: Konfiguration der C135-C142-Seitenkette und absolute Konfiguration des gesamten Molekuels

Nonomura, Taro,Sasaki, Makoto,Matsumori, Nobuaki,Murata, Michio,Tachibana, Kazuo,Yasumoto, Takeshi

, p. 1786 - 1789 (2007/10/03)

Keywords: Asymmetrische Synthesen; Strukturaufklaerung; Maitotoxin; Naturstoffe; NMR-Spektroskopie

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