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Updated: May 4, 2025
Piperidine hydrochlorate, also, when heated with excess of bromine to 180° C., yields dibrompyridine. Sinapine, the alkaloid which exists as sulphocyanate in white mustard seed, yields, under the same reaction as that applied to atropine and piperine, quite different results.
When this tropidine is heated with an excess of bromine, it yields dibrompyridine. Piperine, the alkaloid of pepper, has also been well studied.
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