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The Journal of Organic Chemistry

Potential bile acid metabolites. 6. Stereoisomeric 3, 7-dihydroxy-5. beta.-cholanic acids

T Iida, FC Chang

文献索引:Iida, Takashi; Chang, Frederic C. Journal of Organic Chemistry, 1982 , vol. 47, # 15 p. 2966 - 2972

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被引用次数: 28

摘要

New synthetic routes to the four possible 3, 7-dihydroxy acids are described. The principal reactions involved were inversions with DMF and MezSO-crown ether and reduction of 12- oxo tosylhydrazones. Inversion of 3a-tosylates by the Me2SO-crown ether method succeeded but that of the corresponding mesylates did not. A table of'H NMR chemical shift reference data of monosubstituted methyl cholanates pertinent to bile acid ...