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1309862-01-8

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1309862-01-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1309862-01-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,9,8,6 and 2 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1309862-01:
(9*1)+(8*3)+(7*0)+(6*9)+(5*8)+(4*6)+(3*2)+(2*0)+(1*1)=158
158 % 10 = 8
So 1309862-01-8 is a valid CAS Registry Number.

1309862-01-8Relevant articles and documents

A direct route into fused imidazo-diazines and imidazo-pyridines using nucleophilic nitrenoids in a gold-catalyzed formal [3 + 2]-dipolar cycloaddition

Garzon, Miguel,Davies, Paul W.

, p. 4850 - 4853 (2014)

Pyridinium N-(heteroaryl)aminides can be employed as robust and practical synthetic equivalents of nucleophilic 1,3-N,N-dipoles in a formal cycloaddition onto electron-rich alkynes under gold catalysis. Convergent and regioselective access to five types of imidazofused heteroaromatics is provided from the appropriate aminide. The efficient transformation accommodates significant structural variation around the aminide, ynamide, or indolyl-alkyne reactants and tolerates sensitive functional groups.

Copper(I)-Catalyzed Enyne Oxidation/Cyclopropanation: Divergent and Enantioselective Synthesis of Cyclopropanes

Shen, Wen-Bo,Tang, Xiang-Ting,Zhang, Ting-Ting,Lv, Dong-Can,Zhao, Dan,Su, Tong-Fu,Meng, Lei

supporting information, p. 1285 - 1290 (2021/02/20)

An efficient copper(I)-catalyzed enyne oxidation/cyclopropanation for the modular synthesis of cyclopropane derivatives is described, which represents the first non-noble metal-catalyzed enynes oxidation/cyclopropanation by the in situ generated α-oxo copper carbenes. This protocol allows the assembly of valuable cyclopropane-γ-lactams in generally good to excellent yields with excellent diastereoselectivity. More significantly, the enantioselective version of enyne oxidation/cyclopropanation has been disclosed with chiral copper catalysts.

Synthesis of 3-aza-bicyclo[3.1.0]hexan-2-one derivatives via gold-catalyzed oxidative cyclopropanation of N -allylynamides

Wang, Kai-Bing,Ran, Rui-Qiao,Xiu, Shi-Dong,Li, Chuan-Ying

supporting information, p. 2374 - 2377 (2013/06/27)

N-Allylynamides with various functional groups and different substitution patterns can be converted into 3-aza-bicyclo[3.1.0]hexan-2-one derivatives in moderate to high yield using IMesAuCl/AgBF4 as the catalyst and pyridine N-oxide as the oxidant. A noncarbene mediated approach is proposed as the mechanism.

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