C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 45/58 (2006.01) C07C 47/02 (2006.01) C07D 301/03 (2006.01) C07D 303/04 (2006.01)
Patent
CA 2296507
A method is disclosed for preparing 3,3-dimethylbutyraldehyde by using silica gel to isomerize 3,3-dimethyl-1,2-epoxybutane, which in turn may be prepared by oxidation of dimethylbutene. Also disclosed is a method for oxidizing dimethylbutene with dimethyldioxirane to form 3,3-dimethyl-1,2-epoxybutane. The methods provide an economical means of preparing 3,3-dimethylbutyraldehyde.
L'invention concerne un procédé de préparation de 3,3-diméthylbutyraldéhyde par utilisation de gel de silice pour isomériser 3,3-diméthyl-1,2-époxybutane, qui lui-même peut être préparé par oxydation de diméthylbutène. L'invention concerne également un procédé d'oxydation de diméthylbutène avec diméthyldioxirane pour former 3,3-diméthyl-1,2-époxybutane. Les procédés selon l'invention constituent un moyen économique de préparation de 3,3-diméthylbutyraldéhyde.
Chapeau Marie-Christine
Prakash Indra
Mcfadden Fincham
The Nutrasweet Company
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