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175849-92-0

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175849-92-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 175849-92-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,5,8,4 and 9 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 175849-92:
(8*1)+(7*7)+(6*5)+(5*8)+(4*4)+(3*9)+(2*9)+(1*2)=190
190 % 10 = 0
So 175849-92-0 is a valid CAS Registry Number.

175849-92-0Downstream Products

175849-92-0Relevant articles and documents

Highly diastereoselective route to trans-S-substituted 2-hydroxymethylpyrrolidine derivatives by radical cyclisation

Yuasa, Yoko,Ando, Jun,Shibuya, Shiroshi

, p. 465 - 473 (2007/10/03)

The cyclisation of radical species generated from (S)-N-(3-bromopropyl)oxazolin-2-ones 22 by treatment with tributylstannane in the presence of AIBN yielded 5-substituted pyrrolooxazolones with high diastereoselectivity. In the same reaction using (±)-N-(3-bromobutyl)oxazolin-2-one 25a or (±)-N-(4-bromopentan-2-yl)oxazolin-2-one 25b, the radical cyclisation gave predominantly the (5S*,7S*,7aR*)-5,7-disubstituted pyrrolooxazolines rather than the (5S*,7R*,7aR*) products. The radical cyclisation of 4-phenylsulfanyloxazolidinones 29a,b also resulted in the predominant formation of the corresponding (5S,7S,7aR)-5,7-disubstituted pyrrolooxazolidine derivatives.

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