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1245716-56-6

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1245716-56-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1245716-56-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,5,7,1 and 6 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1245716-56:
(9*1)+(8*2)+(7*4)+(6*5)+(5*7)+(4*1)+(3*6)+(2*5)+(1*6)=156
156 % 10 = 6
So 1245716-56-6 is a valid CAS Registry Number.

1245716-56-6Downstream Products

1245716-56-6Relevant articles and documents

Copper(i) chloride promoted Csp2-N cross-coupling of 1,2-di(pyrimidin-2-yl) disulfides with amines: An efficient approach to obtain C2-amino functionalized pyrimidines

Wei, Kai-Jie,Quan, Zheng-Jun,Zhang, Zhang,Da, Yu-Xia,Wang, Xi-Cun

supporting information, p. 2395 - 2398 (2016/03/01)

The copper(i)-promoted cross-coupling of 1,2-di(pyrimidin-2-yl) disulfides with aromatic amines and aliphatic amines to deliver C-N coupling products in moderate to good yields is reported in this paper. Central to this strategy is the conversion of disulfides into aryl- and alkyl amines by a copper-promoted chemoselective C-S bond cleavage.

Molecular iodine-mediated S-N and C-N cross-coupling and oxidative aromatization of 3,4-dihydropyrimidin-2(1H)-thiones with secondary amines

Quan, Zheng-Jun,Lv, Ying,Wang, Zhong-Jie,Zhang, Zhang,Da, Yu-Xia,Wang, Xi-Cun

supporting information, p. 1884 - 1887 (2013/04/24)

A domino S-N and C-N coupling/oxidative aromatization process to synthesize 2-aminothio-phenylpyrimidines and 2-amino-phenylpyrimidines by S-N and C-N cross-coupling reactions is described. This methodology couples 3,4-dihydropyrimidine-2-thiones and secondary amines catalyzed by molecular iodine. Remarkably the C-N coupled product was obtained via a desulfitative coupling-aromatization reaction in one-pot reaction.

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