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506437-43-0

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506437-43-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 506437-43-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,6,4,3 and 7 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 506437-43:
(8*5)+(7*0)+(6*6)+(5*4)+(4*3)+(3*7)+(2*4)+(1*3)=140
140 % 10 = 0
So 506437-43-0 is a valid CAS Registry Number.

506437-43-0Downstream Products

506437-43-0Relevant articles and documents

Catalytic Domino Reaction of Ketones/Aldehydes with Me3SiCF2Br for the Synthesis of α-Fluoroenones/α-Fluoroenals

Song, Xiaoning,Chang, Jian,Zhu, Dongsheng,Li, Jiaheng,Xu, Cong,Liu, Qun,Wang, Mang

supporting information, p. 1712 - 1715 (2015/04/14)

A unique domino reaction of enolizable carbonyl compounds with Me3SiCF2Br to construct α-fluoroenones and α-fluoroenals is described to undergo the in situ formation of difluorocarbene and silyl enol ether, difluorocyclopropanation, desilylation, ring-opening, and defluorination sequence. In this tandem reaction, Me3SiCF2Br acts as not only the difluorocarbene source but also the TMS transfer agent as well as internal bromide and fluoride anion catalyst. It allows the transformations to occur smoothly under only a catalytic amount of n-Bu4NBr as initiator.

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