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BENZOIC ACID, 4-CYCLOPENTYL- synthesis

9synthesis methods
-

Yield:19936-22-2 95%

Reaction Conditions:

with hydrogen;palladium 10% on activated carbon in ethanol; under 1034.32 Torr; for 2 h;

Steps:

114.2

A solution of 4-cyclopent-l-enyl-benzoic acid (2.6 g, 13.8 mmol) in EtOH (20 mL) is hydrogenated with 10% Pd/C (0.25 g) at 20 psi H2 for 2 h. It is filtered through Celite and concentrated to give 2.46 g (95%) of the title compound. LC/MS (m/z): calcd for Ci2Hi4O2 (M- H)": 189.2; found: 189.2.

References:

WO2006/66173,2006,A2 Location in patent:Page/Page column 107