北京大学学报(自然科学版)

乙酸[α-烷基-β-(2, 2, 3-三甲基-3-环戊烯基)乙基]酯的合成

万新民, 徐瑞秋   

  1. 北京大学化学系
  • 收稿日期:1993-12-16 出版日期:1995-01-20 发布日期:1995-01-20

Syntheses of [α-Alkyl-β-(2,2,3-Trimethyl-3-Cyclopentenyl)Ethyl] Acetate

WAN Xinmin, XU Ruiqiu   

  1. Department of Chemistry, Peking University, Beijing, 100871
  • Received:1993-12-16 Online:1995-01-20 Published:1995-01-20

摘要: α-蒎烯为原料,经环氧化等一系列反应,将α-烷基-β-(2,2,3-三甲基-3-环戊烯基)乙醇酯化得到乙酸[α-烷基-β-(2,2,3-三甲基-3--环戊烯基)乙基]酯(烷基为Me,Et,n-pr,i-Pr,n-Bu,i-Bu,s-Bu,n-Am,i-Am)共9个新化合物,通过波谱及色谱确定了它们的结构及含量。

关键词: 乙酸[α-烷基-β-(2, 3-三甲基-3-环戊烯基)乙基]酯, α-烷基-β-(2, 3-三甲基-3-环戊烯基)乙醇, α-蒎烯, 龙脑醛, 环氧化反应

Abstract: Nine new compounds of [α-Alkyl-β-(2,2,3-Trimethyl-3-Cyclopentenyl)Ethyl] acetate with alkyls as methyl, ethyl, n-propyl, isopropyl, n-butyl, sec-butyl, isobutyl, n-pentyl, isopentyl have been synthesized from α-pinene through a series of reaction of epoxidation, rearrangement, Grignard reagents addition and esterification etc. These compounds have been identified by GC, MS, IR and NMR.

Key words: [ α-alkyl-β-(2, 3-trimethyl-3-cyclopentenyl)ethyl] acetate, α-pinene, epoxidation, rearrangement, Grignard reaction, esterification

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