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Condensation reactions of aryl acyloins with ureas in ethylene glycol
Author(s) -
Kim Yong Boon,
Kim Chung Soo,
Lee Chang Kiu
Publication year - 1994
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570310663
Subject(s) - chemistry , ethylene glycol , aryl , condensation , organic chemistry , condensation reaction , ethylene , medicinal chemistry , catalysis , alkyl , physics , thermodynamics
4,5‐Diaryl‐4‐imidazolin‐2‐ones were prepared in good yield by heating aryl acyloins with ureas in eth‐ylene glycol for 0.5‐2 hours. 4,4′‐Dimethoxybenzoin and 2,2′‐pyridoin gave 4‐oxazolin‐2‐one derivatives in addition to 4‐imidazolin‐2‐ones.