Optically active 4-morpholino-2-(1-naphthylmethyl)-4-oxobutyric acid 2'-hydroxy-1,1'binaphthalen-2-yl
US5106970A · kind A · utility
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2Claims
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Key dates
| Filing date | Jul 2, 1991 |
| Grant date | Apr 21, 1992 |
| Priority date | — |
| Expiry date | Jul 2, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P9/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Optically active 4-morpholino-2-(1-naphthylmethyl)-4-oxobutyric acid 2'-hydroxy-1,1'-binaphthalen-2-yl represented by formula (I): ##STR1## wherein * indicates an asymmetric carbon atom, which is prepared by reacting 4-morpholino-4-oxobutyric acid 2'-hydroxy-1,1'-binaphthalen-2-yl represented by formula (II): ##STR2## with a 1-halomethylnaphthalene in the presence of a base. The compound (I) is a useful intermediate for preparing pharmaceuticals such as a renin inhibitors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.