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Synthesis 1995; 1995(7): 841-844
DOI: 10.1055/s-1995-3997
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Synthesis of D-Ring Functionalized and D-Benzo/Hetero-Annulated Estrone Derivatives via α-Oxoketene Dithioacetal

Akhilesh Kumar Gupta, K. Mallik Yadav, Balaram Patro, Hiriyakkanavar Ila* , Hiriyakkanavar Junjappa1
  • *Department of Chemistry, North-Eastern Hill University, Shillong 793 003, Meghalaya, India
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Publication Date:
31 December 2000 (online)

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Synthesis and chemical transformation of the α-oxoketene dithioacetal, derived from estrone methyl ether, leading to new D-ring functionalized (4 and 6), D-benzo- (8), D-naphtho- (10 and 11) and D-hetero-annulated (12-14) derivatives are described.

α-oxoketene dithioacetals - Grignard reagents - cycloaromatization - heteroannulation - steroids