Citation: Zhong Qi WANG, Li Zhong JIANG, Wei Shan ZHOU. CHBMISTRY OF HYODEOXYCHOLIC ACID 5.CONCISE SYNTHESIS OF 25-HYDROXYCHOLESTEROL FROM HYODEOXYCHOLIC ACID, A KEY INTERMEDIATE OF 25-HYDROXYVITAMIN D₃[J]. Chinese Chemical Letters, ;1992, 3(6): 409-410. shu

CHBMISTRY OF HYODEOXYCHOLIC ACID 5.CONCISE SYNTHESIS OF 25-HYDROXYCHOLESTEROL FROM HYODEOXYCHOLIC ACID, A KEY INTERMEDIATE OF 25-HYDROXYVITAMIN D₃

Shanghai Institute of Organic Chemistry Academia Sinica 345 Lingling Lu Shanghai 200032

Received Date: 20 December 1991

Fund Project: This investigation was supported by the National Natural Science Foundation.

25-Hydroxycholesterol, which is an important intermediatefor the synthesis of 25-hvdroxyvitamin D₃ and 1α, 25-dihydroxyvitamin D₃,was prepared efficiently from hyodeoxycholic acid in 31% overall yield inseven steps
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