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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 17, Number 6
BKCSDE 17(6)
June 20, 1996 

Selective Acylation and Aminomethylation of Benzoylated Calix[4]arene
Kye Chun Nam*, Jong Min Kim, Seung Keun Kook, Sang Joa Lee
Two different acyl substituents were introduced at the lower rim of calix[4]arene by the two step reactions. Calix[4]arenes (1) reacted with 3,5-dinitrobenzoyl chloride to yield monosubstituted calix[4]arene (2). Second substitution was achieved by the reaction of 2 with various acyl chlorides. Aminomethylation of monobenzoylated calix[4]arene was conducted successfully in the presence of secondary amine and formaldehyde.
499 - 502
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