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1184934-40-4

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1184934-40-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1184934-40-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,4,9,3 and 4 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1184934-40:
(9*1)+(8*1)+(7*8)+(6*4)+(5*9)+(4*3)+(3*4)+(2*4)+(1*0)=174
174 % 10 = 4
So 1184934-40-4 is a valid CAS Registry Number.

1184934-40-4Relevant articles and documents

A formal synthesis of swainsonine by gold-catalyzed allene cyclization

Bates, Roderick W.,Dewey, Mark R.

, p. 3706 - 3708 (2009)

Image Presented A formal synthesis of swainsonine has been achieved using a highly efficient and diastereoselective gold(III)-catalyzed allene cyclization.

ENVIRONMENTALLY-FRIENDLY HYDROAZIDATION OF OLEFINS

-

Page/Page column 63; 74-75, (2020/01/24)

The present invention provides processes for the synthesis of organic azides, intermediates for the production thereof, and compositions related thereto.

Dual Photoredox/Copper Catalysis for the Remote C(sp3)?H Functionalization of Alcohols and Alkyl Halides by N-Alkoxypyridinium Salts

Bao, Xu,Wang, Qian,Zhu, Jieping

supporting information, p. 2139 - 2143 (2019/01/25)

Under mild dual photoredox/copper catalysis, the reaction of N-alkoxypyridinium salts with readily available silyl reagents (TMSN3, TMSCN, TMSNCS) afforded δ-azido, δ-cyano, and δ-thiocyanato alcohols in high yields. The reaction went through a domino process involving alkoxy radical generation, 1,5-hydrogen atom transfer (1,5-HAT) and copper-catalyzed functionalization of the resulting C-centered radical. Conditions for catalytic enantioselective δ-C(sp3)?H cyanation were also documented.

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