Technical-scale homologation of a cholanic acid derivative through the barton ester. A practical approach to 25-hydroxy vitamin D3 and congeners

Organic Process Research and Development

Volumn 2, Issue 5, 1998, Pages 290-293

  Kutner, Andrzej ^a   Chodyński, Michal ^a   Masnyk, Marek ^b   Wicha, Jerzy ^b  

^a Institute of Pharmaceutical Industry   (Poland)

^b POLISH ACADEMY OF SCIENCES   (Poland)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0032376139     PISSN: 10836160     EISSN: None     Source Type: Journal    
DOI: 10.1021/op980018i     Document Type: Article

References (9)

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2. Bouillon, R.; Okamura, W. H.; Norman, A. W. Endocrine Rev. 1995, 16, 200.
3. Zhu, G.-D.; Okamura, W. H. Chem. Rev. 1995, 95, 1877.
4. (b) Grzywacz, P.; Marczak, S.; Wicha, J. J. Org. Chem. 1997, 62, 5293.
5. (c) Stepanenko, W.; Wicha, J. Tetrahedron Lett. 1998, 39, 885 and references therein.
6. (a) Onken, D.; Onken, D. Die Pharmazie 1980,35,193.
7. (b) For a historical account, see: Fieser, L. F.; Fieser, M. Steroids; Reinhold: New York, 1959.
8. (c) For a recent example, see: Kubodera, N.; Hatakeyama, S.; Okano, T.; Yamamoto, K.; Nakamura, T. In Vitamin D. Chemistry, Biology and Clinical Applications of the Steroid Hormone; Norman, A. W., Bouillon, R., Thomasset, M., Eds.; Proc. Tenth Workshop on Vitamin D, Strasbourg, 1997; University of California, Riverside; pp 51-58.
9. Campbell, J. A.; Squires, D. M.; Babcock, J. C. Steroids 1969, 13, 567.