Novel steroidspirooxazolidines and process for their preparation
US4180505A · kind A · utility
3Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 14, 1978 |
| Grant date | Dec 25, 1979 |
| Priority date | — |
| Expiry date | Mar 14, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07J53/004
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to novel spirooxazolidines represented by the formula I ##STR1## wherein R.sub.1 is alkyl having from 1 to 4 carbon atoms; PA1 R.sub.2 is hydrogen, alkyl having from 1 to 4 carbon atoms, alkenyl having from 1 to 4 carbon atoms, or dialkylphosphinoxymethyl having in the alkyl moiety from 1 to 3 carbon atoms each; PA1 Z is one of the groups represented by the formulae III to XIV as subsequently defined therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.