Method for regeneration of catalyst for producing aziridine...

Details Method for regeneration of catalyst for producing aziridine... Method for regeneration of catalyst for producing aziridine...

B - Operations, Transporting

01

J

252/1.D

B01J 38/04 (2006.01) B01J 27/28 (2006.01) C07D 203/02 (2006.01) C07D 203/08 (2006.01)

Patent

CA 2010937

Abstract of the Disclosure A method for regeneration of catalyst which comprises phosphorus and alkali metal element and/or alkaline earth metal element and was deteriorated by use to prepare aziridine compound represented by the general formula Image (II) wherein R is hydrogen, a methyl group or an ethyl group, by a catalytic vapor-phase intramolecular dehydration reac- tion of alkanolamine represented by the general formula Image (I) wherein R is as defined in the formula (II), X is OH or NH2, and Y is eitehr NH2 when X is OH or OH when X is NH2, characterized in that the deteriorated catalyst is contacted with gaseous volatile phosphorus compound.

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