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130728-71-1

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130728-71-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 130728-71-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,7,2 and 8 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 130728-71:
(8*1)+(7*3)+(6*0)+(5*7)+(4*2)+(3*8)+(2*7)+(1*1)=111
111 % 10 = 1
So 130728-71-1 is a valid CAS Registry Number.

130728-71-1Downstream Products

130728-71-1Relevant articles and documents

Carbonylation Access to Phthalimides Using Self-Sufficient Directing Group and Nucleophile

Ji, Fanghua,Li, Jianxiao,Li, Xianwei,Guo, Wei,Wu, Wanqing,Jiang, Huanfeng

, p. 104 - 112 (2018/02/19)

Herein we report a novel palladium-catalyzed oxidative carbonylation reaction for the synthesis of phthalimides with high atom- and step-economy. In our strategy, the imine and H2O, which are generated in situ from the condensation of aldehyde and amine, serve as self-sufficient directing group and nucleophile, respectively. This method provides rapid access to phthalimides starting from readily available materials in a one-pot manner. Various phthalimide derivatives are constructed efficiently, including medicinally and biologically active phthalimide-containing compounds.

A rhodium-catalyzed cascade cyclization: Direct synthesis of N-substituted phthalimides from isocyanates and benzoic acids

Shi, Xian-Ying,Renzetti, Andrea,Kundu, Soumen,Li, Chao-Jun

supporting information, p. 723 - 728 (2014/04/03)

A rhodium(III)-catalyzed amidation between benzoic acids and isocyanates via direct functionalization of an ortho C-H bond followed by intramolecular cyclization is described. This cascade cyclization affords N-substituted phthalimides in one step in 26-91% yields. The reaction is highly atom-economical, since no theoretical waste except for water is generated in the reaction.

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