Synthesis of imidazolidin-2-ones employing dialkyl carbonates as an ecofriendly carbonylation source

被引：8

作者：

Badru, Rahul ^{[1
]}

Singh, Baldev ^{[1
]}

机构：

[1] Punjabi Univ, Dept Chem, Patiala 147002, Punjab, India

来源：

RSC ADVANCES | 2014年 / 4卷 / 73期

关键词：

POTENTIAL CHIRAL SUPERBASES; CHLORIDE-INDUCED CYCLIZATION; DIMETHYL CARBONATE; PRIMARY AMINES; REDUCTIVE CARBONYLATION; MODIFIED GUANIDINES; OXIDATIVE CARBONYLATION; AROMATIC-AMINES; ISOCYANATES; DERIVATIVES;

D O I：

10.1039/c4ra08048c

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new approach to the synthesis of imidazolidin-2-ones by carbonylation of vicinal diamines with dialkyl carbonates using Pb(NO3)(2) and Cu(II) salts as catalysts has been described in the present protocol. A comparative study using Cu(II) salts and Pb(NO3)(2) as catalysts has suggested Cu(NO3)(2) and CuCl2 center dot 2H(2)O salts to be as promising as Pb(NO3)(2) and can replace the latter in the carbonylation reactions employing dialkyl carbonates.

引用

页码：38978 / 38985

页数：8

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