Process for the preparation of substituted cycloserines
US9643938B2 · kind B2 · utility
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Key dates
| Filing date | Apr 30, 2015 |
| Grant date | May 9, 2017 |
| Priority date | — |
| Expiry date | Apr 30, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D261/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to processes for the preparation of substituted cycloserine compounds of formula (I) wherein R1 is C1-C8alkyl, C1-C8haloalkyl, C3-C6cycloalkyl, aryl or aryl substituted by one to five R11, or aryl-C1-C4alkylene or aryl-C1-C4alkylene substituted by one to five R11; and each R11 is independently C1-C4alkyl, C1-C4haloalkyl, C1-C4alkoxy, C1-C4haloalkoxy, cyano or halogen; The invention also relates to intermediates produced by the processes. Compounds of formula (I) are useful intermediates for the production of compounds in the agricultural and pharmaceutical fields.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.