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19883-35-3

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19883-35-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19883-35-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,8,8 and 3 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 19883-35:
(7*1)+(6*9)+(5*8)+(4*8)+(3*3)+(2*3)+(1*5)=153
153 % 10 = 3
So 19883-35-3 is a valid CAS Registry Number.

19883-35-3Relevant articles and documents

Iridium-Catalyzed β-C(sp2)?H Borylation of Enamides – Access to 3,3-Dihalogeno-2-methoxypiperidines

Gillaizeau, Isabelle,Dondasse, Isma?l,Nicolas, Cyril,Mimoun, Liliane,Sukach, Volodymyr,Meudal, Hervé

supporting information, (2022/02/07)

An efficient catalytic preparation of synthetically useful new β-borylated enamides was achieved under relatively mild conditions via a regioselective iridium-catalyzed C(sp2)?H borylation. The method features broad substrate scope, good functi

Anti-Markovnikov stereoselective hydroamination and hydrothiolation of (hetero)aromatic alkynes using a metal-free cyclic trimeric phosphazene base

Zhao, Na,Lin, Chengdong,Wen, Lirong,Li, Zhibo

, p. 3432 - 3440 (2019/05/15)

Hydroamination and hydrothiolation are the most efficient and completely atom-economical process to construct important enamine and vinyl sulfide intermediates in pharmaceutical and organic chemistry. The cyclic trimeric phosphazene base (CTPB) showed gre

Regioselective hydrothiolation of alkenes bearing heteroatoms with thiols catalyzed by palladium diacetate

Tamai, Taichi,Ogawa, Akiya

, p. 5028 - 5035 (2014/06/23)

In sharp contrast to many examples of transition-metal-catalyzed hydrothiolation of alkynes, the corresponding catalytic addition of thiols to alkenes has remained undeveloped. However, a novel Pd-catalyzed addition of thiols to alkenes bearing a heteroatom, such as oxygen and nitrogen, is found to proceed under mild conditions to give the corresponding Markovnikov adducts, regioselectively, in good yields.

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