Number | Date | Country | Kind |
---|---|---|---|
41 02 244.0 | Jan 1991 | DEX |
Filing Document | Filing Date | Country | Kind | 102e Date | 371c Date |
---|---|---|---|---|---|
PCT/EP92/00160 | 1/24/1992 | 11/15/1993 | 11/15/1993 |
Publishing Document | Publishing Date | Country | Kind |
---|---|---|---|
WO92/12990 | 8/6/1992 |
Number | Name | Date | Kind |
---|---|---|---|
4220775 | Rasmusson et al. | Sep 1980 | |
4231946 | Ponsold et al. | Nov 1980 | |
4542024 | Nickisch et al. | Sep 1985 | |
4587235 | Bittler et al. | May 1986 |
Number | Date | Country |
---|---|---|
0372665 | Jun 1990 | EPX |
Entry |
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Bull et al., "Cycloaddition Route to 14,17-Ethano-and 14-Alkyl-19-norsteroids", Journal of The Chemical Society. Perkin Transactions 1., No. 2 (Feb. 1990), pp. 241-251. |