JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 1990, Vol. 14 ›› Issue (03): 27-31.doi: 10.3969/j.jssn.1000-2006.1990.03.006

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A STUDY ON THE PREPARATION OF a-TERPINENE

Zhang Jinkang Wang Wenlong Yu Xueying Tan Jiayong   

  1. Department of Chemical Processing of Forest Products
  • Online:1990-09-18 Published:1990-06-18

Abstract: The reaction condition of the preparation of a-erpincne from Chinese terpentine has been studied. The results show that in the presence of some catalysts, the yield of a-terpinene was affected by the reaction temperature and time period, the concentration and amount of the catalysts. At the best reaction condition in the presence of acidic catalyst (50℃, concentration acid 52%, H+ : terpentine = 0.3 : 1 (mol), 7 h), the content of a-terpinene in the reaction mixture is above 45% and the yield of a-tcrpincne is over 40%. On the effect of a cation resin, the yield of a-terpincnc is 33.5% at the suitable reaction condition.