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Diazo-acetic acid 1-phenyl-2-trimethylsilanyl-buta-2,3-dienyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

192068-95-4

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192068-95-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 192068-95-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,2,0,6 and 8 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 192068-95:
(8*1)+(7*9)+(6*2)+(5*0)+(4*6)+(3*8)+(2*9)+(1*5)=154
154 % 10 = 4
So 192068-95-4 is a valid CAS Registry Number.

192068-95-4Downstream Products

192068-95-4Relevant academic research and scientific papers

Synthesis and reactions of 1,2-disubstituted methylenecyclopropanes prepared via intramolecular cyclopropanation of allenic diazoacetates

Lautens, Mark,Meyer, Christophe,Van Oeveren, Arjan

, p. 3833 - 3836 (2007/10/03)

Diazoacetates derived from α- or β-allenic alcohols, prepared using the glyoxylic acid chloride p-toluenesulfonylhydrazone method, undergo regioselective intramolecular cyclopropanation in the presence of a copper (II) catalyst in refluxing toluene, leading to synthetically useful di- or trisubstituted methylenecyclopropyl lactones. The diastereoselectivity of the process has been studied.

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