Process for the catalytic isomerization of (+)-hornene from mixtures containing (+)-omanrene

Abstract

The invention discloses a method for catalyzing the isomerization of (+)-hornene from a mixture containing (+)-omanrene. Reactor mixing, under the environment of 60-150°C and hydrogen pressure of 0.5-2.5kg, undergo hydroisomerization reaction for 16-24h, and fractionate the obtained product to obtain a higher content (+)-hornene mixture. The method of the present invention not only improves the output of (+)-hornene, satisfies the market demand for (+)-hornene, but also expands the utilization value of the mixture containing (+)-arrene in industrial production, while reducing The discharge of three industrial wastes from the production of trumpetene has been reduced.

Description

technical field [0001] The invention relates to the technical field of preparation of (+)-hornene, in particular to a method for preparing (+)-hornene from a mixture containing (+)-omanrene. Background technique [0002] (+)-hornene, alias (1S,2R,4R,11R)-3,3,7,11-tetramethyltricyclo[6.3.0.02.4]undec-7-ene, English name (+ )-Ledene, molecular formula C15H24, is a plant extract, a small amount exists in the spice oil distilled from natural plants such as eucalyptus and arbor tea trees, and can be used as raw materials for fine chemicals, pharmaceutical intermediates and material intermediates use. [0003] At present, the main way of industrial production of (+)-hornene is to directly distill and purify the natural plant fragrance oil containing (+)-hornene, because there are a lot of (+)-hornene in natural plant fragrance oil Compounds with similar physical and chemical properties, so (+)-hornene is difficult to separate from vegetable oil alone. The (+)-hornene content in...

AI Technical Summary

Problems solved by technology

However, in order to increase the (+)-hornene content as much as possible, it is necessary to go through multiple rectification and purification operations, which leads to a large loss of (+)-hornene in the mixture, and finally leads to a high yield of (+)-hornene Very low, and the cumulative production cost is relatively high

In the past few decades, with the gradual development and progress of the application of (+)-hornene and its derivatives in industries such as spices, chemicals and pharmaceuticals, the existing (+)-hornene production has been unable to meet domestic and In order to meet the needs of the international market, it has become an urgent problem to develop new technologies to increase the production of (+)-hornene

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