Process for synthesizing para-and/or meta-substituted cyanophenyalanine derivatives
US6284912A · kind A · utility
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17Claims
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Key dates
| Filing date | Mar 31, 2000 |
| Grant date | Sep 4, 2001 |
| Priority date | — |
| Expiry date | Mar 31, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a process for preparing a useful medicinal intermediate represented by the following formula (1): ##STR1## PA1 in which, R.sub.1, A and n are defined as described in the specification, or its stereoisomer, characterized in that a compound represented by the following formula (2): ##STR2## PA1 in which, R, R.sub.1, A and n are defined as described in the specification, is reacted with a cyanide in the presence of a nickel catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.