Process for synthesizing certain N-benzoylamino indolines
US4570001A · kind A · utility
2Cited by
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10Claims
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Key dates
| Filing date | Apr 27, 1984 |
| Grant date | Feb 11, 1986 |
| Priority date | — |
| Expiry date | Apr 27, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D209/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of the structure ##STR1## wherein R is hydrogen, lower alkyl containing 1 to 5 carbon atoms, cycloalkyl containing 3 to 7 carbon atoms, phenyl or phenyl substituted with halogen, trifluoromethyl, or lower alkyl or lower alkoxy having 1 to 4 carbon atoms and R.sub.1 is hydrogen, lower alkyl having 1 to 4 carbon atoms, phenyl or phenyl lower alkyl wherein the lower alkyl has 1 to 4 carbon atoms, are formed by cyclizing a compound of the structure ##STR2## wherein R and R.sub.1 are as defined above, in the presence of an acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.