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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 11, Number 1
BKCSDE 11(1)
January 20, 1990

Title	Synthesis of 4, 5, 6, 7-Tetraphenyl-8-(substituted)-3 (2H)-phthalazinone Derivatives Likely to Posses Antihypertensive Activity
Author	F. A. Yassin, B. E. Bayoumy*, A. F. El-Farargy
Keywords
Abstract	The interaction of tetraphenylphthalic anhydride with o-chlorotoluene under Friedel-Craft condition gives 2-(4-chloro-3-methyl)benzoyl-3,4,5,6-tetraphenyl benzoic acid(1), which on reaction with hydrazine derivatives gave phthalazinones (2a-d). The behaviour of (2a) towards carbon electrophiles and carbon nucleophiles has been investigated. The chlorophthalazinones (4a) also has been synthesized from the action of PCl5/POCl3 on (2a). The behaviour of (4a) towards nitrogen, and oxygen nucleophiles also have been described.
Page	7 - 10
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