Citation: Yun Yan GAO, Yong Yong LIU, Bo Jie WANG, Bao Wen ZHANG, Yi LI. Effect of Reaction Media on Photoreaction of Provitamin D₃[J]. Chinese Chemical Letters, ;2001, 12(4): 309-312. shu

Effect of Reaction Media on Photoreaction of Provitamin D₃

Technical Institute of Physics and Chemistry (The Former Institute of Photographic Chemistry), Chinese Academy of Sciences, Beijing 100101

Received Date: 7 September 2000

Fund Project: This work was supported by the National Natural Science Foundation of China, No. 29971031 and the Chinese Academy of Sciences.

The photoisomerization of provitamin D₃ is carried out in silica gel-hexane matrix, ethanol and hexane. The results show that in silica gel-hexane matrix and ethanol, the desired product of prevtamin D₃ and vitamin D₃ can be obtained in high yield, while the undesirable byproducts are greatly limited.
- Photoisomerization,
- vitamin D₃.
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