Synthesis of 3,3,-dimethylbutyraldehyde by the reduction of...

Details Synthesis of 3,3,-dimethylbutyraldehyde by the reduction of... Synthesis of 3,3,-dimethylbutyraldehyde by the reduction of...

2006-04-18

2006-04-18

Price, Elvis O. (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

C568S448000, C568S420000, C568S426000

Reexamination Certificate

active

07030281

ABSTRACT:
A process for the production of 3,3-dimethylbutyraldehyde is disclosed. The 3,3-dimethylbutyraldehyde is obtained by the reduction of 3,3-dimethylbutyric acid using trimethylacetic anhydride and a phosphine. The 3,3-dimethylbutyric acid is preferably obtained by a process in which tert-butanol and vinylidene chloride are reacted in the presence of sulfuric acid. The disclosed process has improved cost and yield.

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