Li yh , sun zh , zheng p . determination of vanillin , eugenol and isoeugenol by rp - hplc [ j ] . chromatographia , 2004 , 60 : 709 - 713 孙志浩,郑璞,赵丽青.微生物转化异丁香酚制备香草醛的菌种和方法[ p ] .专利号200510064494 . 0
Ethyl vanillin was synthesized by the phase - transfer catalysis cteab and o - ethoxyphenol , which was prepared from pyroeatehol with an overall yield of 55 . 2 % , and the factors in the reaction , such as phase - transfer catalysis and temperature , were discussed 摘要以邻苯二酚为原料,首先合成中间体邻乙氧基苯酚,然后以十六烷基三乙基溴化铵为相转移催化剂合成了乙基香兰素,考察了相转移催化剂的选择及反应温度,最后收率为55 . 2 % 。
Summarize the craft ways of synthesizing vanillin from all kinds of raw materials and the advance development , depict and analyze the main producing crafts product characteristics and market situation of vanillin , make out the appraise of the developing direction for the future 摘要综述了以各种原料合成香兰素的工艺路线及研究进展,对现有主要的香兰素生产工艺及产品特点、市场状况进行了叙述、分析,并对今后的发展方向作了评价。