Elsevier

Steroids

Volume 56, Issue 7, July 1991, Pages 388-391
Steroids

Synthesis of new pentacyclic heterocyclic steroidal analogs, 6-oxabenz[3,4]-d-homoestra- 1,3,5(10),8,14-pentaen-17α-one and 3a,4,5,13-tetrahydro-3H- [2]benzothieno[5,4-d]naphtho- [1,2-b]pyran

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Abstract

Total synthesis of new pentacyclic heterocyclic steroidal analogs, 6-oxabenz[3,4]-d-homoestra 1,3,5(10),8,14-pentaen-17a-one and 3a,4,5,13-tetrahydro-3H-[2]benzothieno[5,4-d]naphtho[1,2-b]-pyran, from 4-oxa-1,2,3,4-tetrahydrophenanthren-I-one is described.

References (14)

  • RH Edgren et al.

    Biological effects of racemic and resolved 13-ethyl-4gonen-3-ones

    Steroids

    (1963)
  • H Smith et al.

    Total synthesis of derivatives of (±)-6-oxa and 7-azaestrone

    Experientia

    (1964)
  • and Chem Abstr...
  • SR Ramadas et al.

    Chemistry and biological activity of oxasteroids

    J Sci Ind Res

    (1972)
  • SR Ramadas et al.

    Recent advances in the chemistry of oxasteroids

    J Sci Ind Res

    (1975)
  • SR Ramadas et al.

    A review on the partial and total syntheses of thiasteroids

    Heterocycles

    (1982)
  • SD Sharma et al.

    Synthesis of some novel heterocyclics from 2,3-dihydro-4H-naphtho[1,2-b]pyran-4-one

    Indian J Chem

    (1984)
There are more references available in the full text version of this article.

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Presented in part at the 8th International IUPAC Conference on Organic Synthesis, Helsinki (Finland), July 23–27, 1990.

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