Menthol was obtained from lemon eucalyptus oil via cyclization and catalytic hydrogenation.
以柠檬桉叶油为主要原料经环化、催化氢化二步反应得到薄荷醇.
Cyclization occurs readily with dilute alkali.
遇到稀碱就容易环化.
METHODS Cilnidipine was synthesized from cinnamyl alcohol by esterification, feminization and condensation - cyclization.
方法以肉桂醇为原料,经酯化 、 氨化和缩合 - 环合而得.