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Hypervalent iodine in synthesis 50: A novel method of synthesis of selenazoles by cyclocondensation of selenoamides and alkynyl(phenyl)iodonium salts

✍ Scribed by Peng-Fei Zhang; Zhen-Chu Chen

Book ID
102344380
Publisher
Journal of Heterocyclic Chemistry
Year
2001
Tongue
English
Weight
40 KB
Volume
38
Category
Article
ISSN
0022-152X

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✦ Synopsis

Abstract

A novel method for the synthesis of selenazoles by cyclocondensation of primary selenoamides and alkynyl(phenyl)iodomium salts and the reaction mechanism are reported. The synthetic method is simple, mild and the yields are high.

πŸ“œ SIMILAR VOLUMES

ChemInform Abstract: Hypervalent Iodine
ChemInform Abstract: Hypervalent Iodine in Synthesis. Part 50. A Novel Method of Synthesis of Selenazoles by Cyclocondensation of Selenoamides and Alkynyl(phenyl)iodonium Salts.
✍ Peng-Fei Zhang; Zhen-Chu Chen πŸ“‚ Article πŸ“… 2010 πŸ› John Wiley and Sons βš– 27 KB πŸ‘ 2 views

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a β€œFull Text” option. The original article is trackable v

Hypervalent iodine in synthesis 93. A fa
Hypervalent iodine in synthesis 93. A facile synthesis of 2-substituted imidazo[1,2-a]pyrimidines by cyclocondensation of alkynyl(phenyl)iodonium salts and 2-aminopyrimidine
✍ Zhi Liu; Zhen-Chu Chen; Qin-Guo Zheng πŸ“‚ Article πŸ“… 2003 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 32 KB

## Abstract Simple stirring of a mixture of the alkynyl(phenyl)iodonium salts **1** with 2‐aminopyrimidine **2** in chloroform under reflux for two hours in the presence of K~2~CO~3~ gave, after workup, the 2‐substituted imidazo[1,2‐α]pyrimidines **3** in moderate to good yields. A possible mechani