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Bis-phenylsulfanyl-((E)-4-phenylsulfanyl-but-3-enyloxy)-acetic acid tert-butyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

157992-81-9

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157992-81-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 157992-81-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,9,9 and 2 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 157992-81:
(8*1)+(7*5)+(6*7)+(5*9)+(4*9)+(3*2)+(2*8)+(1*1)=189
189 % 10 = 9
So 157992-81-9 is a valid CAS Registry Number.

157992-81-9Downstream Products

157992-81-9Relevant academic research and scientific papers

A short route to avenaciolide & isoavenaciolide via radical cyclization

Burke, Steven D.,Jung, Kyung Woon,Perri, Roman E.

, p. 5841 - 5844 (1994)

The bicyclic ether/lactone 5 was prepared from 7 in 6 steps including radical cyclization and a Pummerer rearrangement. After 5 was converted to 12 and 13 under Keek's conditions, divergent formal total syntheses of avenaciolide and isoavenaciolide were a

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