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1269183-17-6

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1269183-17-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1269183-17-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,9,1,8 and 3 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1269183-17:
(9*1)+(8*2)+(7*6)+(6*9)+(5*1)+(4*8)+(3*3)+(2*1)+(1*7)=176
176 % 10 = 6
So 1269183-17-6 is a valid CAS Registry Number.

1269183-17-6Downstream Products

1269183-17-6Relevant articles and documents

Silver-Catalyzed Tandem Trifluoromethylation and Cyclization of Aryl Isonitriles with the Langlois Reagent

Liu, Yu-Rong,Tu, Hai-Yong,Zhang, Xing-Guo

, p. 3460 - 3466 (2015)

A mild and efficient procedure for the silver-catalyzed tandem trifluoromethylation and cyclization of aryl isonitriles with the Langlois reagent (sodium triflinate) is developed. A series of trifluoromethylated phenanthridines is prepared in moderate to good yields from a cheap and stable trifluoromethyl source.

Visible-light-induced tandem radical addition-cyclization of 2-aryl phenyl isocyanides catalysed by recyclable covalent organic frameworks

Liu, Shuyang,Pan, Wenna,Wu, Songxiao,Bu, Xiubin,Xin, Shigang,Yu, Jipan,Xu, Hao,Yang, Xiaobo

, p. 2905 - 2910 (2019/06/17)

A visible-light-induced tandem radical addition-cyclization sequence via 2-aryl phenyl isocyanides as the starting material and two-dimensional covalent organic frameworks (2D-COFs) as the photocatalyst was developed, delivering multifarious 6-substituted phenanthridines in high yields. Benefitting from the utilization of a heterogeneous photocatalyst, this protocol features easy catalyst separation and excellent recyclability. A negligible loss of the catalytic activity was observed after multiple runs. High practicability of this protocol was further demonstrated by continuous flow experiments.

Transition Metal-Free Oxidative Radical Decarboxylation/Cyclization for the Construction of 6-Alkyl/Aryl Phenanthridines

Lu, Shichao,Gong, Yaling,Zhou, Demin

, p. 9336 - 9341 (2015/09/28)

A radical cascade decarboxylation/cyclization of 2-isocyanobiphenyls with aliphatic carboxylic acids as well as aromatic carboxylic acids under the transition metal-free conditions was reported. This process, which included formation of two new C-C bonds and cleavage of C-COOH bonds, afforded a novel and environmentally friendly approach to producing 6-alkyl/aryl phenanthridines with moderate to good yields.

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