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40088-59-3

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40088-59-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40088-59-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,0,8 and 8 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 40088-59:
(7*4)+(6*0)+(5*0)+(4*8)+(3*8)+(2*5)+(1*9)=103
103 % 10 = 3
So 40088-59-3 is a valid CAS Registry Number.

40088-59-3Downstream Products

40088-59-3Relevant articles and documents

A Catalytic Oxidative Quinone Heterofunctionalization Method: Synthesis of Strongylophorine-26

Yu, Wanwan,Hjerrild, Per,Jacobsen, Kristian M.,Tobiesen, Henriette N.,Clemmensen, Line,Poulsen, Thomas B.

, p. 9805 - 9809 (2018)

The preparation of heteroatom-substituted p-quinones is ideally performed by direct addition of a nucleophile followed by in situ reoxidation. Albeit an appealing strategy, the reactivity of the p-quinone moiety is not easily tamed and no broadly applicable method for heteroatom functionalization exists. Shown herein is that Co(OAc)2 and Mn(OAc)3?2 H2O act as powerful catalysts for oxidative p-quinone functionalization with a collection of O, N, and S nucleophiles, using oxygen as the terminal oxidant. Preliminary mechanistic observations and the first synthesis of the cytotoxic natural product strongylophorine-26 is presented.

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