RING CLOSURE REACTION OF POLYENES

摘要

PROBLEM TO BE SOLVED: To provide a method chemically performing the ring closure reaction of polyenes such as the ring closure reaction from squalene to a triterpene without using an organic solvent and an acid or base catalyst and without giving an environmental load.

SOLUTION: This method for performing the ring closure reaction of the polyenes is to perform the reaction under a high temperature and high pressure water environment close to a supercritical state without adding a catalyst.

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