Tetrahedron Letters p. 4463 - 4466 (1985)
Update date:2022-08-05
Topics:
Takahashi, Takashi
Ueno, Hiroaki
Miyazawa, Masahiro
Tsuji, Jiro
The stereoselective synthesis of (+/-)-de-AB-cholesta-8(14),22-dien-9-one from (+/-)-erythro-6-benzyloxy-5-hydroxy-8-methyl-1-tetrahydropyranyloxy-3(Z)-nonene by two Claisen rearrangements as a precursor of vitamin D3 is presented.
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