Generation of 1,4-dihydropyridine derivatives
US5120750A · kind A · utility
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2References
65Claims
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Key dates
| Filing date | Apr 11, 1990 |
| Grant date | Jun 9, 1992 |
| Priority date | — |
| Expiry date | Apr 11, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D401/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A 1,4-dihydropyridine derivative of the formula I: ##STR1## is provided in which: A is an azole moiety; PA1 R is a C.sub.1 -C.sub.4 alkyl group; PA1 X is --CH.sub.2 --, --S--, --SO-- or --SO.sub.2 --; PA1 n is 5, 6, 7 or 8; and PA1 Ph is a phenyl group substituted once or twice by NO.sub.2, CF.sub.3 or Cl groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.