Tetrahedron Letters p. 2426 - 2429 (2014)
Update date:2022-09-26
Topics:
Yerande, Swapnil G.
Shendage, Deepak M.
Wakchaure, Prasad B.
Phadtare, Ganesh R.
Bhoite, Madhavrao Y.
Gangopadhyay, Ashok Kumar
Nagarajan, Kuppuswamy
Rupp, Richard Helmut
Lewis acid catalyzed Fries rearrangement of 2-fluorophenyl acetate (3) was performed on kg scale. The ortho 5 and para 4 isomers obtained were separated in an industrially feasible way. Compound 4 was then converted into fluorinated building block 3-fluoro-4-methoxybenzoyl chloride (1) while compound 5 was converted into 1,2-diethoxy-3-fluorobenzene (2) in high yields.
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Doi:10.1248/bpb.b18-00765
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(2014)
