PROCESS FOR THE PREPARATION OF 4-AMINO-5-FLUORO-3-CHLORO-6-(SUBSTITUTED)PICOLINATES
First Claim
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1. A process for the preparation of a 4-amino-5-fluoro-3-chloro-6-(substituted)picolinate of the Formula I
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Abstract
4-Amino-5-fluoro-3-chloro-6-(substituted)picolinates are prepared from trifluoroacetic acid, p-methoxyaniline, a 3,3-dialkoxyprop-1-yne and a substituted methylene amine by a series of steps.
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5 Claims
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1. A process for the preparation of a 4-amino-5-fluoro-3-chloro-6-(substituted)picolinate of the Formula I
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2. A compound of Formula C
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3. A compound of Formula E
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4. A compound of Formula G
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5. A compound of Formula H
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