The Indian phosphorus based chemical compound and its production method

摘要

It is useful the medicine, as a intermediate field of the agricultural chemical and various industrial chemicals, for example, quite useful new Indian phosphorus based chemical compound is offered as a intermediate field of the cyanine chemical compound which is used as the pigment. The below-mentioned general formula the Indian phosphorus based chemical compound which is displayed with (1).(Formula (1) in, ring A₁ displays the naphthalene ring which is good possessing benzene ring or the substituent which is good possessing the substituent, ring B_{1 the} carbon count displays aliphatic ring or hetero ring 4 which is good possessing the substituent - 8, R₁, R₂ displays the aralkyl basis which is good possessing the alkyl group or the substituent which is good to the respective independence possessing the substituent, R_{3 the} hydrogen atom, displays the formyl basis or the acyl basis.) In addition this invention offers the manufacturing method of the above-mentioned Indian phosphorus based chemical compound.