C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/654, 260/661
C07C 17/08 (2006.01) C07C 21/02 (2006.01)
Patent
CA 1236120
-18- ABSTRACT A 2-halo-1-alkene (such as 2-chloro-1-pro- pene) is prepared by contacting together, in the pres- ence of a catalyst (such as alumina), (a) a 1,2-diene (such as propadiene) and/or a 1-alkyne (such as pro- pyne), with (b) a hydrogen halide (such as HCl); in the presence of at least 1,000 ppm water. The process of the invention provides unexpected selectivity for the desired product. 28,803A-F -18-
464556
Hucul Dennis A.
Klun Robert T.
Murchison Craig B.
Sim & Mcburney
The Dow Chemical Company
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