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222314-26-3

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222314-26-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 222314-26-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,2,3,1 and 4 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 222314-26:
(8*2)+(7*2)+(6*2)+(5*3)+(4*1)+(3*4)+(2*2)+(1*6)=83
83 % 10 = 3
So 222314-26-3 is a valid CAS Registry Number.

222314-26-3Relevant articles and documents

Asymmetric syntheses of 2-substituted and 2,5-disubstituted pyrrolidines from (3S,5R,7aR)-5-(benzotriazol-1-yl)-3-phenyl[2,1-b]oxazolopyrrolidine

Katritzky, Alan R.,Cui, Xi-Lin,Yang, Baozhen,Steel, Peter J.

, p. 1979 - 1985 (1999)

Benzotriazole, 2,5-dimethoxytetrahydrofuran, and (S)-phenylglycinol in one step gave 80% of (3S, 5R,7aR)-5-(benzotriazol-1-yl)-3-phenyl-[2,1- b]oxazolopyrrolidine (6), whose crystal structure was confirmed by X-ray crystallography. Novel chiral pyrrolidine synthon 6 reacts with organosilicon (allyltrimethylsilanes and vinyloxytrimethylsilanes), organophosphorus, organozinc, and Grignard reagents to afford chiral 2-substituted and 2,5- disubstituted pyrrolidines.

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