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55022-46-3

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55022-46-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55022-46-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,0,2 and 2 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 55022-46:
(7*5)+(6*5)+(5*0)+(4*2)+(3*2)+(2*4)+(1*6)=93
93 % 10 = 3
So 55022-46-3 is a valid CAS Registry Number.

55022-46-3Relevant articles and documents

5-exo atom transfer cyclisation onto alkynes mediated by copper(I) complexes

Clark, Andrew J.,Battle, Gary M.,Bridge, Andrew

, p. 1999 - 2001 (2001)

Multidentate amine derived copper(I) halide complexes mediate the atom transfer radical cyclisation of 1-halo-N-propargylacetamides. While cyclisation of trichloro- and dichloroacetamide derivatives leads to α,β-unsaturated γ-lactams containing the gem-dihalide functional group, monohaloacetamides give rise to either cyclised atom transfer or reduction products depending upon the solvent and catalyst used.

Photoinduced Phosphorylation/Cyclization of Cyanoaromatics for Divergent Access to Mono- And Diphosphorylated Polyheterocycles

Shi, Shanshan,Zheng, Zhipeng,Zhang, Yumeng,Yang, Yufei,Ma, Denghui,Gao, Yuzhen,Liu, Yan,Tang, Guo,Zhao, Yufen

supporting information, p. 9348 - 9352 (2021/12/14)

The visible-light-driven switchable phosphorylation of cyanoaromatics with the 1,6-enyne moiety for the diverse and selective synthesis of phosphorylated polyheterocycles, including phosphorylated aminophosphonates, iminophosphonates, and ketones, has bee

Dual Photoredox/Nickel-Catalyzed 1,4-Sulfonylarylation of 1,3-Enynes with Sulfinate Salts and Aryl Halides: Entry into Tetrasubstituted Allenes

Xu, Ting,Wu, Shuang,Zhang, Quan-Na,Wu, You,Hu, Ming,Li, Jin-Heng

supporting information, p. 8455 - 8459 (2021/11/01)

A radical-mediated three-component 1,4-sulfonylarylation of 1,3-enynes with aryl iodides and sulfinate salts using cooperative photoredox/nickel catalysis is described. This protocol enables the synthesis of tetrasubstituted sulfonyl-containing allenes under redox-neutral conditions and provides a versatile 1,3-enyne 1,4-difunctionalization platform for the synthesis of a diverse range of tetrasubstituted allenes with high chemo- and regioselectivities, excellent functional group tolerance, and a broad substrate scope.

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