Process for the preparation of 3-(3-chloro-1H-pyrazol-1-yl)pyridine
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1. A process for preparing 3-(3-chloro-1H-pyrazol-1-yl)pyridine (5b)
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Abstract
3-(3-Chloro-1H-pyrazol-1-yl)pyridine is prepared by coupling 3-bromopyridine with commercially available 3-aminopyrazole, purifying the 3-(3-amino-1H-pyrazol-1-yl)pyridine by crystallization, and converting the amino group to a chloro group by a Sandmeyer reaction.
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4 Claims
- 1. A process for preparing 3-(3-chloro-1H-pyrazol-1-yl)pyridine (5b)
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