Reference of 150529-73-0,Some common heterocyclic compound, 150529-73-0, name is Methyl 2-(3-bromophenyl)acetate, molecular formula is C9H9BrO2, traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route.
A mixture of 121A (2.28 g, 10.0 mmol) and N-bromosuccinimide (1.96 g, 11.0 mmol) in carbon tetrachloride (20 mL) was deoxygenated with a flow of nitrogen for 5 min. 2,2′-Azobisisobutyronitrile (82 mg, 0.5 mmol) was added and the mixture was refluxed for 18 h. Hexanes was added to the cooled mixture, and the resulting solid was filtered and washed with hexanes. The filtrate was concentrated on a rotary evaporator and then chromatographed (silica gel, step gradient from 100% hexanes to 5% ethyl acetate in hexanes) to give 121B (1.3 g, 42%) as clear oil. LC-MS m/z: 309.1 (M+H)+.
These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route Methyl 2-(3-bromophenyl)acetate, its application will become more common.
Reference:
Patent; Bristol-Myers Squibb Company; US2007/3539; (2007); A1;,
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