Process for preparing alkylene sulfides

Details Process for preparing alkylene sulfides Process for preparing alkylene sulfides

C - Chemistry, Metallurgy

07

D

C07D 331/02 (2006.01)

Patent

CA 2083922

In a process for preparing alkylene sulfides through the intramolecular dehydration reaction of mercaptoalkanols in a gaseous phase, catalysts are used, which are represented by the formula: MaXbYcOd, where M represents at least one element selected from the group of alkali metals, alkaline earth metals and thallium; X represents at least one element selected from the group of Al, B, Si and P; Y represents at least one element selected from the group consisting of lanthanides, IIIA group, IVA group, VA group, IIIB group, IVB group, VB group and VIB group, excluding an element contained in M or X; O represents oxygen; and a and b are numerical values not equal to 0; b = 0.2-100 and c = 0-50 when a = 1; and d is a numerical value determined according to a, b and c.

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