| 摘要 |
7-methyl-3-methylene-7-octen-1-yl propanoate of the formula (I). <IMAGE> is prepared by reacting 3-methyl-3-buten-1-ol (II> <IMAGE> with an alkyl lithium in an aprotic solvent, in the presence of an alkyl amine, under inert gas, at a temperature between -80 DEG C and 0 DEG C, reacting the dianion (III) thus obtained <IMAGE> with a compound (IV> <IMAGE> wherein X stands for a leaving group, preferably a substituted sulfonyloxy group or a halogen atom, at a temperature between -80 DEG C and 0 DEG C, under inert gas, and acylating the 7-methyl-3-methylene-7-octen-1-ol (V) thus obtained <IMAGE> with propanoic acid or with a reactive derivative thereof in an aprotic solvent. The 7-methyl-3-methylene-7- octen-1-yl propanoate produces a strong stimulating reaction on male San Jose scale and can be used in plant protection. |
