abstract |
Novel 2-chloro- DELTA 1,4-steroids having the formula WHEREIN R1 is hydrogen or methyl, R2 is hydrogen, hydroxyl or esterified hydroxyl, X is fluorine, chlorine or methyl, Y is hydrogen or halogen, and Z is halogen having the same or a smaller atomic weight then Y, a beta -position hydroxyl and in the case where Y is hydrogen, an alpha -position hydroxyl.n[US3678034A] |