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Efficient One‐Pot Synthesis of Quinazoline and Benzopyrano[2,3‐ d ]pyrimidine Derivatives Catalyzed by N ‐Bromosulfonamides
Author(s) -
GhorbaniVaghei Ramin,
ShirzadiAhodashti Mina,
Eslami Fattemeh,
Malaekehpoor Seyedeh Mina,
Salimi Zahra,
ToghraeiSemiromi Zahra,
Noori Samira
Publication year - 2017
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.2570
Subject(s) - chemistry , malononitrile , quinazoline , pyrimidine , catalysis , ammonium acetate , benzene , benzophenone , organic chemistry , medicinal chemistry , combinatorial chemistry , stereochemistry , high performance liquid chromatography
N,N,N',N' ‐tetrabromobenzene‐1,3‐disulfonamide and poly( N , N ’‐dibromo‐ N ‐ethyl‐benzene‐1,3‐disulfonamide) were used as efficient catalysts for one‐pot synthesis of new quinazoline derivatives from various aldehydes, 2‐amino‐benzophenone, and ammonium acetate in good to excellent yields and new benzopyrano[2,3‐ d ]pyrimidine derivatives from salicylic aldehydes, various cyclic amines, and malononitrile in good to high yields.