- A facile synthesis of steroidal pyrazoles, isoxazoles and pyrimidines from testosterone
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Synthesis of 17β-hydroxy-androst-4-eno[3,2-c]pyrazole3,17β- hydroxy-androst-4-eno[3,2-c]-[1′H]-5′-methylthiopyrazole 4, 17β-hydroxy-androst-4-eno[2,3-d]isoxazole 5, 17β-hydroxy-androst-4- eno[2,3-d]-[1′ H]-3′-methylthio isoxazole 6, 17β-hydroxy- androst-4-eno[3,2-d]-2′-amino-6′-ethoxypyrimidine 7, 17β,2′-dihydroxy-androst-4-eno[3,2-d]-6′-ethoxypyrimidine 8, 17β-hydroxy-androst-4-eno[3,2-d]-2′-thiolo-6′-ethoxypyrimidine 9, 17β-hydroxy-4-androsteno[3,2-d]-2′-amino-6′-ethoxypyrimidine 10, 17β,2′-Dihydroxy-4-androsteno[3,2-d]-6′-ethoxypyrimidine 11 and 17β-hydroxy-4-androsteno[3,2-d]-2′-thiolo-6′- ethoxypyrimidine 12, from 2-ethoxymethylene-4-androsten-3-one 1 and 2-bis(methylthio)methylene-4-androsten-3-one 2 are reported.
- Singh, Ch. Brajakishor,Singh, L. Warjeet
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p. 959 - 966
(2007/10/03)
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