| 简介 |
FIELD : chemistry.
SUBSTANCE : invention relates to chemistry of terpene compounds, specifically to production of 2, 3-epoxypinane of formula I The method involves the following : turpentine containing 75.6% α-pinene is treated with diluted hydrogen peroxide in acetonitrile under conditions of catalytic action of manganese sulphate in the presence of sodium bicarbonate and salicylic acid. The reaction mixture is extracted with methylene chloride and the reaction mass undergoes vacuum distillation to extract 2, 3-epoxypinane with 90% purity with output of 26% and a fraction rich in unreacted α-pinene (62%), which is re-epoxydated.
EFFECT : simple, cheap and efficient method of producing 2, 3-epoxypinane for preparation of several medical, industrial and perfume preparations.
1 cl, 3 ex |
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