PHTHALAZONE DERIVATIVE, ITS PREPARATION AND USE
NEW MATERIAL:The phthalazone derivative of formula I (R is H or lower alkyl; A is group of formula II or formula III; n is 0-14). EXAMPLE:7-Ethoxycarbonyl-6,8-dimethyl-1( 2H )-phthalazinon-4-ylmethyl hydrogen succinate. USE:Useful as a biotransformation precursor of phthalazinol which is useful as a...
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