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70288-96-9

(2-CHLOROPHENYL)(2-HYDROXYPHENYL)METHANONE synthesis

4synthesis methods
Obtained by total dealkylation of 5-tert-butyl-2?-chloro- 2-methoxybenzophenone with aluminium chloride in benzene at 65–70° for 45 h (60–80%).
-

Yield:-

Steps:

Multi-step reaction with 4 steps
1.1: pyridinium p-toluenesulfonate / dichloromethane / Inert atmosphere
2.1: n-butyllithium / tetrahydrofuran; hexane / 3 h / -78 °C / Inert atmosphere
2.2: 17 h / -78 - 20 °C / Inert atmosphere
3.1: pyridinium p-toluenesulfonate; ethanol / dichloromethane / 20 °C / Inert atmosphere
4.1: manganese(IV) oxide / dichloromethane / 20 °C / Inert atmosphere

References:

Clarkson, Guy J.;Wills, Martin;Zheng, Ye [Organic Letters,2020]

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