High temperature process for selective production of...

Details High temperature process for selective production of... High temperature process for selective production of...

C - Chemistry, Metallurgy

07

D

260/294.6

C07D 213/09 (2006.01) C07D 213/08 (2006.01) C07D 213/12 (2006.01)

Patent

CA 1341145

A process for the selective production of 3-methylpyridine in high yield comprising the step of contacting a vaporized feed stream containing 2-methyl-1,5-pentanediamine with a metal-oxide catalyst of other than an alkali metal at a temperature of about 500-600°C for a contact time of less than about 30 seconds. The catalyst may be on a suitable heterogeneous support, and additives in the feed stream may include 3-methylpiperidine as well as wager, hydrogen, ammonia, or nitrogen or some other inert gas. A fluid-bed reactor is preferred, with recycling of by-product and continuous effective runs without catalyst regeneration being accomplished at the stated temperatures.

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