引用本文:
吴棱, 李兆基, 康遥, 覃业燕, 唐艳红, 姚元根, 钟庆有, 林镜福, 林晓清, 王镇中. 水合法合成樟脑副产油中异莰烷的分离和鉴定[J]. 应用化学,
2001, 18(4): 324-326.
Citation: WU Ling, LI Zhao-Ji, KANG Yao, QIN Ye-Yan, TANG Yan-Hong, YAO Yuan-Gen, ZHONG Qing-You, LIN Jing-Fu, LIN Xiao-Qing, WANG Zhen-Zhong. Isolation and Characterization of Isocamphanes from The By-products of Camphor Manufacture by Hydration Process[J]. Chinese Journal of Applied Chemistry, 2001, 18(4): 324-326.
Citation: WU Ling, LI Zhao-Ji, KANG Yao, QIN Ye-Yan, TANG Yan-Hong, YAO Yuan-Gen, ZHONG Qing-You, LIN Jing-Fu, LIN Xiao-Qing, WANG Zhen-Zhong. Isolation and Characterization of Isocamphanes from The By-products of Camphor Manufacture by Hydration Process[J]. Chinese Journal of Applied Chemistry, 2001, 18(4): 324-326.
水合法合成樟脑副产油中异莰烷的分离和鉴定
English
Isolation and Characterization of Isocamphanes from The By-products of Camphor Manufacture by Hydration Process
Abstract:
The by-products from the dehydration of exo-2-camphanol in the camphor manufacture by hydration process contains two unknown components:A in 14% and B in 15%. The sample mixture containing 90% A and B with different mass ratio(ca. 1:1, 1:2 and 1:4) were collected by further fine fractional distillation with 60 plate number for spectroscopic characterization. The combined spectral results of GC, MS and 13C NMR of the samples revealed that A is exo-2,2,3-trimethylbicyclo[2,2,1] heptane (exo-isocamphane) and B is endo-2,2,3-trimethylbicyclo [2,2,1] heptane (endo-isocomphane).
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Key words:
- by-product from camphor manufacture
- / isolation
- / identification
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