期刊
SYNTHETIC COMMUNICATIONS
卷 43, 期 11, 页码 1499-1507出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/00397911.2011.643438
关键词
Amino-functionalized MCM-41; 2-amino-4H-chromene and 2-amino-4H-benzo[h]chromene derivatives; aqueous medium; three-component condensation
A convenient and efficient one-pot method for the synthesis of 2-amino-tetrahydro-4H-chromene and 2-amino-4H-benzo[h]-chromene derivatives has been developed using a catalytic amount of amino-functionalized MCM-41 in aqueous medium. This efficient technique has the advantages of giving 4H-tetrahydro-chromene and 4H-benzo[h]chromene building blocks using a reusable catalyst in good to excellent yields, to be completed in short reaction times with a simple product isolation procedure.
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