Process for the preparation of 2-chloro-5-methylpyridine
First Claim
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1. In the preparation of 2-chloro-5-methylpyridine of the formula ##STR6## by reacting 3-methylpyridine 1-oxide with phosphorus oxychloride, the improvement which comprises carrying out the reaction in the presence of a basic organic nitrogen compound and in the presence of a diluent at a temperature between about -50°
- C. and +50°
C.
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Abstract
In the preparation of 2-chloro-5-methylpyridine of the formula ##STR1## by reacting 3-methylpyridine 1-oxide with phosphorus oxychloride, the improvement which comprises carrying out the reaction in the presence of a basic organic nitrogen compound and in the presence of a diluent at a temperature between about -50° C. and +50° C.
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10 Claims
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1. In the preparation of 2-chloro-5-methylpyridine of the formula ##STR6## by reacting 3-methylpyridine 1-oxide with phosphorus oxychloride, the improvement which comprises carrying out the reaction in the presence of a basic organic nitrogen compound and in the presence of a diluent at a temperature between about -50°
- C. and +50°
C. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
- C. and +50°
Specification