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Efficient New Synthesis of N ‐Arylbenzo[ b ]furo[3,2‐ d ]pyrimidin‐4‐amines and Their Benzo[ b ]thieno[3,2‐ d ]pyrimidin‐4‐amine Analogues via a Microwave‐Assisted Dimroth Rearrangement
Author(s) -
Loidreau Yvonnick,
DubouilhBenard Carole,
Marchand Pascal,
Nourrisson MarieRenée,
Duflos Muriel,
Buquet Catherine,
Corbière Cécile,
Besson Thierry
Publication year - 2013
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.1716
Subject(s) - chemistry , amine gas treating , thiophene , dimethylformamide , medicinal chemistry , condensation , pyrimidine , stereochemistry , organic chemistry , solvent , physics , thermodynamics
International audienceA useful and rapid access to libraries of N-arylbenzo[b]furo[3,2-d]pyrimidin-4-amines (1) and their novel benzo[b]thieno[3,2-d]pyrimidin-4-amine analogs (2) was investigated for the first time. Title compds. were obtained via microwave-accelerated condensation and Dimroth rearrangement of suitable anilines with N'-(2-cyanaryl)-N,N-dimethylformimidamides obtained by reaction of benzo[b]furane and benzo[b]thiophene precursors with N,N-dimethylformamide di-Me acetal. This work also demonstrates that well-controlled parameters offer comfortable use of microwave technology and are both safe and beneficial to the environment. Some products obtained in this article exhibit interesting in vitro antiproliferative effects

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