Cyclopentane derivatives
US4183870A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 22, 1977 |
| Grant date | Jan 15, 1980 |
| Priority date | — |
| Expiry date | Sep 22, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S424/15
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Cyclopentane derivatives of the formula: ##STR1## wherein R.sup.1 represents hydrogen or a carboxylic acyl group, and either (i) R.sup.2 represents a group of the formula: EQU --CR.sup.3 R.sup.4 R.sup.5 II (wherein R.sup.3 and R.sup.4 represent hydrogen or alkyl, and R.sup.5 represents hydrogen, or alkyl, alkoxy, cycloalkyl or adamantyl, or R.sup.5 represents alkyl substituted by alkoxy, or by cycloalkyl or by adamantyl, or the group --CR.sup.3 R.sup.4 R.sup.5 together forms a cycloalkyl or adamantyl group, X represents trans-vinylene or ethylene and Y represents carbonyl or a group of the formula: ##STR2## wherein R.sup.6 represents hydrogen or alkyl, and R.sup.7 represents hydrogen or a carboxylic acyl group, or else (ii) R.sup.2 represents a group of the formula: EQU --A--Z--R.sup.8 IV (wherein A represents alkylene, Z represents a direct bond or oxygen or sulphur, and R.sup.8 represents an aryl or heterocyclyl group which may be substituted by one or more of halogen, alkyl, alkoxy and trihalomethyl), X in formula I represents ethylene or trans-vinylene and Y in formula I represents carbonyl or a group of formula III, or else (iii) R.sup.2 represents a group R.sup.8 and X and Y …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.