Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1978-06-14
1980-09-30
Roberts, Elbert L.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
2603971, C07J 900
Patent
active
042255244
ABSTRACT:
Steroid derivatives represented by the formula ##STR1## wherein R.sup.1 and R.sup.2 are as defined hereunder which is useful for easily producing a wide variety of active vitamin D, and a process for preparing the same are disclosed.
REFERENCES:
patent: 3846455 (1974-11-01), Ikekawa et al.
patent: 3868396 (1975-02-01), Ikekawa et al.
patent: 3936478 (1976-02-01), Takeshita et al.
Kaneko Chikara
Matsunaga Isao
Ochi Kiyoshige
Shindo Minoru
Chugai Seiyaku Kabushiki Kaisha
Roberts Elbert L.
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