Litsea cubeba oil reacted with hydroxylamine sulfate to give citral oxime,which by dehydration with acetic anhydride in the presence of phase transfer catalyst gave lemonile.

• 用山苍子油直接同硫酸羟胺反应生成柠檬肟,再加入乙酐和相转移催化剂脱水得到柠檬腈。