A RING EXPANSION METHOD FOR THE PREPARATION OF 2,3-DIHYDRO-1,4-BENZOTHIAZINES FROM 2-ARYL-2,3-DIHYDROBENZOTHIAZOLES

DOI: 10.1016/S0040-4039(00)99070-1

Source and publish data:

Tetrahedron Letters p. 1457 - 1460 (1985)

Update date:2022-08-03

Topics:

Authors:

Mashraqui, Sabir H.

Kellogg, Richard M.

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Article abstract of DOI:10.1016/S0040-4039(00)99070-1

In the presence of KF in dimethylformamide (DMF) 2-aryl-2,3-dihydrobenzothiazoles react with α-haloketones to provide in good yield 2,3-dihydro-2,3-disubstituted-1,4-benzothiazines.

Full text of DOI:10.1016/S0040-4039(00)99070-1

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