Benzeneacetic acid, 4-chloro-a-methyl-, methyl ester synthesis
- Product Name:Benzeneacetic acid, 4-chloro-a-methyl-, methyl ester
- CAS Number:50415-70-8
- Molecular formula:C10H11ClO2
- Molecular Weight:198.6461
Yield:50415-70-8 99%
Reaction Conditions:
with ion exchange resin IR-120(H+)Not specified; for 24 h;Heating / reflux;
Steps:
10.A
Preparative Example 10; Step A; A solution of commercially available 2-(4-chlorophenyl)-propionic acid (5.5 g) and ion exchange resin IR-120(H+) in dry MeOH (200 mL) was stirred under reflux for 24 h, filtered and the solvent was evaporated to dryness, cooled and the formed precipitate was filtered off to afford the title compound (5.84 g; 99%) as a colourless oil. [MH]+=199.
References:
US2008/21024,2008,A1 Location in patent:Page/Page column 79
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