Provided is citronellol, which has an elegant rosy fragrance and is extremely useful for fragrance impartation to aromatic articles A mixture of an alkylamine and isoprene in a molar ratio of from 1:4 to 1:4.5 is subjected to telomerization at 80 to 100° C. for 2.5 to 3.5 hours in the presence of an alkyllithium catalyst and/or phenyllithium catalyst to obtain a nerylamine compound containing 2 to 10 wt % &agr;-nerylamine compound represented by general formula (4).
1
From this nerylamine compound, citronellol containing 2 to 10 wt % optically active 3,7-dimethyl-7-octenol is produced through the reaction steps of asymmetric isomerization, hydrolysis, and hydrogenation.
提供的是
香茅醇,它具有优雅的玫瑰香气,对于给芳香制品带来香气非常有用。将烷基胺和
异戊二烯以摩尔比为1:4至1:4.5的混合物,在80至100℃下,在烷基
锂催化剂和/或
苯基锂催化剂的存在下进行缩聚反应2.5至3.5小时,得到一种含有2至10重量%α-
香茅胺化合物的内利胺化合物,该化合物由通式(4)表示。从这种内利胺化合物中,通过不对称异构化、
水解和加氢反应步骤,生产含有2至10重量%光学活性3,7-二甲基-7-
辛烯醇的
香茅醇。