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(S)-N-(p-toluenesulfonyl)-5-[4-(trimethylsilyl)but-2-ynyl]pyrrolidin-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

254964-14-2

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254964-14-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 254964-14-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,4,9,6 and 4 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 254964-14:
(8*2)+(7*5)+(6*4)+(5*9)+(4*6)+(3*4)+(2*1)+(1*4)=162
162 % 10 = 2
So 254964-14-2 is a valid CAS Registry Number.

254964-14-2Relevant academic research and scientific papers

Application of an organozinc reagent derived from (S)-pyroglutamic acid: A formal synthesis of epibatidine

Karstens, Willem F. J.,Moolenaar, Marinus J.,Rutjes, Floris P. J. T.,Grabowska, Urszula,Speckamp, W. Nico,Hiemstra, Henk

, p. 8629 - 8632 (1999)

A formal total synthesis of natural (-)-epibatidine has been developed. Key steps in the synthesis are a copper(I)-mediated coupling of an (S)-pyroglutamic acid-derived organozinc reagent with 1-iodo-3-trimethylsilyl-1-propyne and an N-acyl- or N-sulfonyl

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