QUINONE DERIVATIVES, THEIR PRODUCTION AND USE

摘要

New quinone derivatives of the formula: wherein R1 is methyl or methoxy, or two of R1 combine to represent -CH=CH-CH=CH-, R is amino which may be substituted or -OR4 wherein R is hydrogen C1-4 alkyl or -(CH2-CH=C(CH3)CH2?H (wherein m is an integer of 1 to 10), and n is an integer of 1 to 10 when R is amino which may be substituted, or n is an integer of 2 to 10 when R is -OR4, and their hydroquinone forms, have useful physiological activities such as blood-pressure decreasing and antiallergic activities.