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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 15, Number 4
BKCSDE 15(4)
April 20, 1994

Title	Selective Nitration of Calix[4]arene
Author	Kye Chun Nam, Das Soon Kim
Keywords
Abstract	Mono and 1,3-dinitrocalix[4]arene 4 and 7 were prepared by the selective benzoylation followed by nitration. Benzoylation of calix[4]arene with benzoyl chloride in the presence of pyridine produced the tribenzoyl and 1,3-dibenzoyl-calix[4]arene selectively depending on the reaction conditions. Nitration of tribenzoyl and 1,3-dibenzoyl-calix[4]arene was conducted with nitric acid in the presence of acetic acid to produce mono and 1,3-dinitrocalix[4]arene. Removal of benzoyl groups was carried out with NaOH in ethanol to give 4 and 7.
Page	284 - 286
Full Text	PDF

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