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59629-66-2

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59629-66-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 59629-66-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,9,6,2 and 9 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 59629-66:
(7*5)+(6*9)+(5*6)+(4*2)+(3*9)+(2*6)+(1*6)=172
172 % 10 = 2
So 59629-66-2 is a valid CAS Registry Number.

59629-66-2Relevant articles and documents

Efficient, asymmetric synthesis of (-)-isooncinotine

Cheng, Hsiu-Yi,Hou, Duen-Ren

, p. 3000 - 3005 (2007/10/03)

Asymmetric synthesis of (-)-isooncinotine, a 22-membered lactam of spermidine alkaloid, starting from resolution of 2-piperidineethanol with (S)-10-camphorsulfonic acid is reported. Michael addition, amidations, and aluminum hydride reduction were applied to form the moiety of spermidine. Retro-Michael addition was observed when β-amido- and β-amino-propionitriles were reduced by LAH. The effects of LAH versus AlH3 were discussed. The synthesis of the skeleton of this macrolide is achieved with ring-closing metathesis of the?diene prepared from acylation of the spermidine.

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