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397883-75-9

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397883-75-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 397883-75-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,9,7,8,8 and 3 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 397883-75:
(8*3)+(7*9)+(6*7)+(5*8)+(4*8)+(3*3)+(2*7)+(1*5)=229
229 % 10 = 9
So 397883-75-9 is a valid CAS Registry Number.

397883-75-9Relevant articles and documents

Synthesis of enantiomerically pure 4-substituted pyrrolidin-3-ols via asymmetric 1,3-dipolar cycloaddition

Karlsson, Staffan,Hoegberg, Hans-Erik

, p. 1977 - 1982 (2001)

Asymmetric 1,3-dipolar cycloadditions of chiral azomethine ylides to 3-benzyloxy-substituted alkenoylcamphorsultams are described. trans-3,4-Disubstituted pyrrolidines containing a protected hydroxyl group at C(4) of the pyrrolidine ring are obtained in high diastereomeric ratios. Such compounds can serve as chiral building blocks for the syntheses of enantiopure bioactive pyrrolidines. This is exemplified by a short synthetic route to a known glycosidase inhibitor, (3R,4R)-4-(hydroxymethyl)pyrrolidin-3-ol and its enantiomer.

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