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Saucy G, Müller M, Fürst A. [Conversion of 11-keto-9-beta, 10-alpha-steroids on 10-alpha-compounds. Synthesis of 10-alpha-cortisone, 11-oxo-10-alpha-progesterone, 10-alpha-androsterone and analogs of 11-hydroxy-compounds]. Helv Chim Acta 1967; 50:1394-405. [PMID: 5600943 DOI: 10.1002/hlca.19670500520] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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Abstract
The addition of methylmagnesium iodide to 17α,20;20,21-bismethylenedioxy-1,5-pregnadiene-3,11-dione and 17α,20;20,21-bismethylenedioxy-1,4-pregnadiene-3,11-dione yields 1α-methyl derivatives. These derivatives can be converted further into 1α-methylcortisone and 1α-methylhydrocortisone. The isolation of a 3-methylene-Δ1,4 derivate is also described.
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Eggart FG, Wehrli H. [Steroids and sex hormones, 231. The synthesis of N-acetyl-3-aza-A-homo-5-beta, 10-alpha-andostran and its 5-alpha-isomers]. Helv Chim Acta 1966; 49:2453-7. [PMID: 5980124 DOI: 10.1002/hlca.19660490806] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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Fishman J, Guzik H. C-10 substituted 19-norsteroids IX. Introduction of 10-beta substituents. Tetrahedron Lett 1966; 14:1483-7. [PMID: 5974376 DOI: 10.1016/s0040-4039(00)75720-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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Fishman J, Torigoe M, Settepani JA. C-10 substituted 19-norsteroids. 8. 10-Cyanosteroids with an oxygen at C-3. Tetrahedron 1965; 21:3677-85. [PMID: 5879171 DOI: 10.1016/s0040-4020(01)96983-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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