title: 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.
authors.affiliation: Department of Chemistry, Indian Institute of Technology, Madras.
authors.forename: B R
authors.initials: BR
authors.lastname: Babu
authors.forename: D V
authors.initials: DV
authors.lastname: Ramana
authors.forename: S R
authors.initials: SR
authors.lastname: Ramadas
mesh_terms: D006718:Homosteroids / Q000138:chemical synthesis*; D013260:Steroids, Heterocyclic / Q000138:chemical synthesis*
chemical_list: D006718:Homosteroids; D013260:Steroids, Heterocyclic; C072600:6-oxabenz(3,4)-D-homoestra-1,3,5(10),8,14-pentaen-17-one; C072601:3,4,5,13-tetrahydro-3H-2-benzothieno(5,4-d)naphtho(1,2-b)pyran