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1263313-62-7

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1263313-62-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1263313-62-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,3,3,1 and 3 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1263313-62:
(9*1)+(8*2)+(7*6)+(6*3)+(5*3)+(4*1)+(3*3)+(2*6)+(1*2)=127
127 % 10 = 7
So 1263313-62-7 is a valid CAS Registry Number.

1263313-62-7Relevant articles and documents

Selective C-H acylation of indoles with α-oxocarboxylic acids at the C4 position by palladium catalysis

Zhang, Jitan,Wu, Manyi,Fan, Jian,Xu, Qiaoqiao,Xie, Meihua

supporting information, p. 8102 - 8105 (2019/07/15)

The first Pd-catalyzed direct C-H acylation of indoles at the C4 position with α-oxocarboxylic acids using a ketone directing group is described. This reaction exhibits high regioselectivity with the tolerance of a wide scope of functional groups to afford diverse acylated indoles in moderate-to-good yields. The control experiments evidence the generation of acyl radicals via K2S2O8 promoted decarboxylation of α-oxocarboxylic acids and the involvement of a PdII/PdIV catalytic cycle. Importantly, the synthetically useful selectivity observed might be applied to prepare indole derivatives with anti-tumor activity as tubulin inhibitors.

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