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7689-02-3

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7689-02-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7689-02-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,6,8 and 9 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 7689-02:
(6*7)+(5*6)+(4*8)+(3*9)+(2*0)+(1*2)=133
133 % 10 = 3
So 7689-02-3 is a valid CAS Registry Number.

7689-02-3Relevant articles and documents

Total Synthesis of (+)-Aspidospermidine

Xu, Hongjin,Huang, He,Zhao, Cui,Song, Chuanjun,Chang, Junbiao

, p. 6457 - 6460 (2019/09/06)

A facile asymmetric total synthesis of (+)-aspidospermidine has been developed, which is accomplished in 11 steps in an overall yield of 9.6%. Key steps involve a palladium-catalyzed enantioselective decarboxylative allylation to install the quaternary ca

Total Synthesis of (-)-Rhazinilam and Formal Synthesis of (+)-Eburenine and (+)-Aspidospermidine: Asymmetric Cu-Catalyzed Propargylic Substitution

Shemet, Andrej,Carreira, Erick M.

, p. 5529 - 5532 (2017/10/25)

A total synthesis of (-)-rhazinilam and formal syntheses of (+)-eburenine and (+)-aspidospermidine that rely on a copper(I)-catalyzed asymmetric propargylic substitution as the key step are reported. A salient feature of the reaction is the asymmetric con

Chemical synthesis of aspidosperma alkaloids inspired by the reverse of the biosynthesis of the rhazinilam family of natural products

McMurray, Lindsay,Beck, Elizabeth M.,Gaunt, Matthew J.

, p. 9288 - 9291 (2012/10/30)

Pyrrole reduction: Iterative metal-catalyzed C-H functionalization reactions facilitated the preparation of a highly substituted pyrrole derivative. This derivative could be transformed into the pyrrole-containing secondary metabolite, rhazinilam, which could in turn be transformed through a reductive transannular cascade process into the structurally complex pyrrolidine-containing alkaloid natural product, aspidospermidine.

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