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87959-49-7

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87959-49-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87959-49-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,9,5 and 9 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 87959-49:
(7*8)+(6*7)+(5*9)+(4*5)+(3*9)+(2*4)+(1*9)=207
207 % 10 = 7
So 87959-49-7 is a valid CAS Registry Number.

87959-49-7Relevant articles and documents

Construction of All-Carbon Chiral Quaternary Centers through CuI-Catalyzed Enantioselective Reductive Hydroxymethylation of 1,1-Disubstituted Allenes with CO2

Qiu, Jia,Gao, Shen,Li, Chaopeng,Zhang, Lei,Wang, Zheng,Wang, Xiaoming,Ding, Kuiling

supporting information, p. 13874 - 13878 (2019/11/11)

A catalytic enantioselective construction of all-carbon chiral quaternary centers through reductive hydroxymethylation of 1,1-disubstituted allenes with CO2 has been developed. In the presence of a copper/Mandyphos catalyst, CO2 is t

A convenient access to allylic triflones with allenes and triflyl chloride in the presence of (EtO)2P(O)H

Ni, Jixiang,Jiang, Yong,An, Zhenyu,Lan, Jingfeng,Yan, Rulong

supporting information, p. 7343 - 7345 (2019/06/27)

A simple method for the preparation of allylic triflones from allenes and triflyl chloride in the presence of (EtO)2P(O)H has been developed. The features of this reaction are catalyst-free and simple starting substrates. This method tolerates diverse functional groups and substituted allylic triflones are obtained in moderate to good yields.

Fluorinative Rearrangements of Substituted Phenylallenes Mediated by (Difluoroiodo)toluene: Synthesis of α-(Difluoromethyl)styrenes

Zhao, Zhensheng,Racicot, Léanne,Murphy, Graham K.

supporting information, p. 11620 - 11623 (2017/09/11)

Phenylallenes undergo fluorinative rearrangement upon the action of (difluoroiodo)toluene in the presence of 20 mol % BF3?OEt2 to yield α-difluoromethyl styrenes. This unprecedented reaction was entirely chemoselective for the internal allene π bond, and showed remarkable regioselectivity during the fluorination event. Substituted phenylallenes, phenylallenes possessing both phenyl- and α-allenyl substituents, and diphenylallenes were investigated, and good functional-group compatibility was observed throughout. The ease with which allenes can be prepared on a large scale, and the operational simplicity of this reaction allowed us to rapidly access fluorine-containing building blocks that have not been accessed by conventional deoxyfluorination strategies.

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