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2. Preparation and properties of steroidal 17,20- and 20,21-acetonides epimeric at C-20. I. Derivatives of 5beta-pregnan-3alpha-o1. Lewbart ML; Schneider JJ J Org Chem; 1969 Nov; 34(11):3505-12. PubMed ID: 5348137 [No Abstract] [Full Text] [Related]
3. Preparation and properties of steroidal 17,20- and 20,21-acetonides epimeric at C-20. II. Derivatives of cortisol and cortisone. Lewbart ML; Schneider JJ J Org Chem; 1969 Nov; 34(11):3513-9. PubMed ID: 5348138 [No Abstract] [Full Text] [Related]
4. Synthesis and reduction of steroid C-20 alkylidene cyanoacetates. Tsitsa P; Tsatsas G; Sandris C Steroids; 1979 Jan; 33(1):23-31. PubMed ID: 452059 [TBL] [Abstract][Full Text] [Related]
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6. The synthesis and characterisation of some 3,6,20-trioxygenated pregnane derivatives. Allen JG; Knights BA Steroids; 1968 Apr; 11(4):585-99. PubMed ID: 5643154 [No Abstract] [Full Text] [Related]
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