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4-FLUOROPHENACYL THIOCYANATE synthesis

6synthesis methods
-

Yield:43045-16-5 95%

Reaction Conditions:

in acetonitrile; for 2 h;Reflux;

Steps:

52.1 Step 1:
1-(4-fluorophenyl)-2-thiocyanatoethanone

Potassium thiocyanate (2.7 g, 27.7 mmol) was added to a solution of 2-bromo-1-(4-fluorophenyl)ethanone (3 g, 13.8 mmol) in acetonitrile (30 mL), and the mixture was heated to reflux for 2 h.
The reaction solution was concentrated to give 1-(4-fluorophenyl)-2-thiocyanatoethanone 0149A in the form of a white solid (2.5 g, 95%). LCMS (ESI) [M+H]+=196.11.80 min (Method B).

References:

US2020/369676,2020,A1 Location in patent:Paragraph 1159-1160

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