PROCESS FOR THE PREPARATION OF 3-HYDROXYPICOLINIC ACIDS
The present disclosure relates to a process for the preparation of compounds of Formula A: wherein le is a C1-C4 alkyl. 4,6-dibromo-3-hydroxypicolinate esters are prepared from furan-2-yl aminoacetates in one chemical step by use of a bromination-rearrangement reaction. Préparation d'esters de...
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| Format: | Patent |
| Sprache: | eng ; fre |
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| Zusammenfassung: | The present disclosure relates to a process for the preparation of compounds of Formula A: wherein le is a C1-C4 alkyl. 4,6-dibromo-3-hydroxypicolinate esters are prepared from furan-2-yl aminoacetates in one chemical step by use of a bromination-rearrangement reaction.
Préparation d'esters de 4,6-dibromo -3-hydroxypicolinate à partir d'aminoacétates de furan-2-yle en une seule opération chimique, au moyen d'une réaction de bromation-réarrangement. |
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