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Novel and Efficient One Pot Condensation Reactions between Ketones and Aromatic Alcohols in the Presence of CrO 3 Producing α , β ‐Unsaturated Carbonyl Compounds
Author(s) -
Li Yanan,
Chen Daoyong
Publication year - 2011
Publication title -
chinese journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.28
H-Index - 41
eISSN - 1614-7065
pISSN - 1001-604X
DOI - 10.1002/cjoc.201180361
Subject(s) - chemistry , condensation , catalysis , organic chemistry , condensation reaction , ketone , alcohol oxidation , reaction conditions , physics , thermodynamics
We report a new, effective and simple method for preparing α , β ‐unsaturated carbonyl compounds by reacting ketones and aromatic alcohols at 56°C in the presence of CrO 3 (CrO 3 acts as an oxidant and also a catalyst) for around 10 h. The condensation reactions occurred effectively among a wide combination of ketones and alcohols. The procedure is simple and the yields can be high up to 98%. And a probable mechanism is proposed.