C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 303/04 (2006.01) C07D 301/10 (2006.01)
Patent
CA 2173236
Disclosed herein is an improved gas phase process for the selective eposidation of non-allylic olefins wherein the expoxidation is carried out in the presence of certain inert, paraffin hyfrocarbons. Such hydrocarbons possess higher heat capacities as compared to other materials, e.g., nitrogen, argon, methane and helium, typically used as inert diluents in olefin epoxidations. The disclosed process is particularly useful for the continuous manufacture of 3,4-epoxy-1-butene from 1,3-butadiene.
L'invention concerne un procédé en phase gazeuse pour l'époxydation sélective d'oléfines non allyliques dans lequel l'époxydation s'effectue en présence de certains hydrocarbures paraffiniques inertes. Ces hydrocarbures possèdent un pouvoir calorifique supérieur à d'autres corps tels que l'azote, l'argon, le méthane et l'hélium habituellement utilisés en tant que diluants inertes dans l'époxydation d'oléfines. Le procédé selon l'invention est particulièrement utile pour la fabrication en continu de 3,4-époxy-1-butène à partir du 1,3-butadiène.
Hitch David Martin
Monnier John Robert
Nolen Timothy Richard
Oltean George Leslie
Stavinoha Jerome Leonard Jr.
Eastman Chemical Company
Gowling Lafleur Henderson Llp
LandOfFree
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