Methanone, (2-chlorophenyl)phenyl- → 2-Chlorobenzhydrol, (+-)-

참여 물질

반응 단계

A mixture containing 15.0 g (0.0692 mole) of 2-chlorobenzophenone, 4.1 g (0.1094 mole) of sodium borohydride, and 200 ml of anhydrous isopropanol is heated to reflux and maintained at reflux until the reaction is complete (2.0 hours), as indicated by vpc techniques. The solvent is removed in vacuo, whereupon the residue is diluted with ether, washed with a dilute hydrochloric acid solution and with water until neutral, dried (magnesium sulfate), and concentrated in vacuo. Recrystallization of the resulting residue from petroleum ether affords 11.5 g (0.0526 mole) of 2-chlorobenzhydrol, m.p. 61°-63°.

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