Alkyl 2-benzylidene-4-(benzimidazol-1-yl) benzoylacetate esters as intermediates
US5070205A · kind A · utility
1Cited by
5References
1Claims
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Key dates
| Filing date | May 1, 1990 |
| Grant date | Dec 3, 1991 |
| Priority date | — |
| Expiry date | May 1, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D513/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Intermediates useful in the synthesis of dihydropyridine platelet activating factor antagonists of the formula ##STR1## where R is phenyl or substituted phenyl; R.sup.3 is lower alkyl; Y is 1,4-phenylene and X is a benzimidazol-1-yl.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.