I tried to remove TBC stabilizer from the monomers (2VP), using the reported method (stirred overnight on CaH2 and then distilled under high vacuum). But 2 vinylpyridine got polymerized when I applied temperature during distillation.

So I would like to ask is there any other method for the removal of stabilizer from 2VP?

or what temperature should I maintain for the distillation?

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