NEW KAURANE-TYPE DITERPENE, ITS PRODUCTION AND TERMITE-CONTROLLING AGENT CONTAINING THE COMPOUND AS ACTIVE COMPONENT

摘要

PURPOSE: To provide a new kaurane-type diterpene originated from natural source, having high safety and exhibiting antifeeding action to termite. ;CONSTITUTION: The compound of formula I (R¹ is carboxyl, R² is acetoxy, R³ and R⁴ are H and R⁵ and R⁶ are methylene; R¹ is carboxyl, R², R³ and R⁴ are H and R⁵ and R⁶ are methylene; or R¹ is methyl, R², R³ and R⁴ are H, R⁵ is OH and R⁶ is methyl, etc.), e.g. the compound of formula II (T16-A). The compound of formula I can be produced by extracting the fruit of a plant of the family Annonaceae (e.g. Xylopia aethiopica) with a solvent (preferably hexane, acetone, etc.) for 24hr to 3days.;COPYRIGHT: (C)1994,JPO&Japio