Metal-doped sulfonated ion exchange resin catalysts

Details Metal-doped sulfonated ion exchange resin catalysts Metal-doped sulfonated ion exchange resin catalysts

2005-12-20

2005-12-20

Richter, Johann (Department: 1621)

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

Organic compounds

Oxygen containing

C568S392000, C568S396000, C568S404000

Reexamination Certificate

active

06977314

ABSTRACT:
A method for preparing ketones in greater yield and selectivity compared to previous catalyzed reactions by acid-catalyzed condensation reaction using a metal-doped polysulfonated ion exchange resin catalyst is disclosed. For example, use of polysulfonated ion exchange resins having at least 5.0 milliequivalents sulfonic acid groups/gram catalyst and loaded with metal, such as palladium, provides enhanced yields of methyl isobutyl ketone from the condensation reaction of acetone compared to use of conventional monosulfonated ion exchange resin catalysts.

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