Catalyst for vapor-phase intramolecular dehydration reaction...

Details Catalyst for vapor-phase intramolecular dehydration reaction... Catalyst for vapor-phase intramolecular dehydration reaction...

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B01J 27/18 (2006.01) B01J 27/182 (2006.01) B01J 27/186 (2006.01) B01J 27/188 (2006.01) B01J 27/19 (2006.01) B01J 27/195 (2006.01) C07D 203/08 (2006.01) C07D 205/04 (2006.01) C07D 211/02 (2006.01) C07D 295/023 (2006.01)

Patent

CA 1276616

Abstract of the Disclosure A catalyst for the vapor phase intramolecular dehydration reaction of an alkanolamine represented by the general formula Image (I) wherein each of R and R' is selected from hydrogen, a methyl group and an ethyl group, and n is an integer of 2 to 5, to convert it into a cyclic amine represented by the general formula Image (II) wherein R, R' and n are as defined above. The catalyst is an oxide composition represented by the following formula XaPbYcOd wherein X is at least one element selected from alkali metals and alkaline earth metals, P is phosphorus, Y is at least one element selected from B, Al, Si, S, Sc, Ti, Cu, Y, Zr, Nb, Mo, Sn, Sb, La, Ce, Ta, W, Tl, Pb, Bi and Th, O is oxygen, the suffixes a, b, c and d represent the atomic ratios of the elements X, P, Y and O, and when a=1, b=0.01 - 3 and c=0 - 100, and d is a value determined by a, b and c and the state of bonding of the constituent elements.

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