Preparation method for pyrrolidine-2-carboxylic acid derivatives
US9902693B2 · kind B2 · utility
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Key dates
| Filing date | Jun 23, 2014 |
| Grant date | Feb 27, 2018 |
| Priority date | — |
| Expiry date | Jun 23, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to the field of medical synthesis, in particular to a preparation method for pyrrolidine-2-carboxylic acid derivatives. The present invention adopts the following technical solution: providing a compound having a structure of formula (E), wherein R is R1 or R2, R1 is C1-C6 an alkyl, benzyl, p-methoxybenzyl, or p-nitrobenzyl group, and R2 is hydrogen; R3 is a protecting group of the carboxyl group; and P1 is a protecting group on nitrogen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.