Citation: Yong Bin HAN, Jin Ping CHEN, Yun Yan GAO, Bai Ning LIU, Guo Qiang YANG, Yi LI. Photosensitization of trans-Vitamin D₃ to cis-Vitamin D₃ in Heterogeneous System[J]. Chinese Chemical Letters, ;2005, 16(7): 871-874. shu

Photosensitization of trans-Vitamin D₃ to cis-Vitamin D₃ in Heterogeneous System

1.
Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100101;
2.
Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080

Received Date: 19 July 2004

Fund Project: This work was supported by the Major State Basic Research Development Program, Grant No. G2000078100, the National Natural Science Foundation of China, No. 20172059 and Chinese Academy of Sciences.

Two modes of heterogeneous photoisomerization of trans-vitamin D₃ to cis-vitamin D₃are described. The occurrence of isomerization on the substrate bounded to the polymeric support gives us the possibility in succession synthesis of 1α-hydroxyvitamin D₃. The polymer-bound anthracene can sensitize isomerization of trans-vitamin D₃ to cis-vitamin D₃ efficiently and ease the separation process.
- Heterogeneous photoisomerization,
- vitamin D₃,
- solid phase
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