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1210965-55-1

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1210965-55-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1210965-55-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,0,9,6 and 5 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1210965-55:
(9*1)+(8*2)+(7*1)+(6*0)+(5*9)+(4*6)+(3*5)+(2*5)+(1*5)=131
131 % 10 = 1
So 1210965-55-1 is a valid CAS Registry Number.

1210965-55-1Relevant articles and documents

Tert-Butyl Nitrite Promoted Oxidative Intermolecular Sulfonamination of Alkynes to Synthesize Substituted Sulfonyl Pyrroles from the Alkynylamines and Sulfinic Acids

Qi, Zhenjie,Jiang, Yong,Wang, Yanyan,Yan, Rulong

, p. 8636 - 8644 (2018/06/18)

tert-Butyl nitrite promoted oxidative intermolecular sulfonamination of alkynes to synthesize substituted sulfonyl pyrroles from the alkynylamines and sulfinic acids via tandem addition/cyclization was developed. This reaction is performed well by employing tert-butyl nitrite as the oxidant, and various substituted sulfonyl pyrroles are formed in moderate to good yields with no requirement of metal catalysis.

Mechanistic study of gold(I)-catalyzed hydroamination of alkynes: Outer or inner sphere mechanism?

Zhdanko, Alexander,Maier, Martin E.

, p. 7760 - 7764 (2014/08/05)

An experimental mechanistic study of the gold(I)-catalyzed hydroamination shows the formation of conformationally flexible auro-iminium salts Au-Im, which originate from the protonation of a vinyl gold species. Rotation around the C-CAu bond is the reason

Synthesis of 3-substituted 3-(trimethylsiloxy)pyrrolidines from β-aminoketones and lithium trimethylsilyldiazomethane

Hari, Yoshiyuki,Yokoyama, Takuya,Aoyama, Toyohiko

experimental part, p. 679 - 687 (2010/04/29)

Lithium trimethylsilyldiazomethane reacted with N-benzyl-β-aminoketones at -78 °C in THF to give 3-substituted 1-benzyl-3-(trimethylsiloxy)pyrrolidines in moderate to good yields.

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