N-Sulfonylamidines. Part IV. Intramolecular Cyclization of N-Sulfonylamidines of 2-Oxoacids: a new Synthesis of 3-Aminoisothiazole S,S-dioxides

DOI: 10.1016/S0040-4020(01)92260-4

Source and publish data:

Tetrahedron p. 3227 - 3238 (1992)

Update date:2022-08-05

Topics:

Authors:

Clerici, Francesca

Marazzi, Guiseppe

Taglietti, Marcello

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Article abstract of DOI:10.1016/S0040-4020(01)92260-4

N-alkylsulfonylamides of α-ketoacids 3 bearing both a carbonyl group and at least one H-atom near to the SO2 group give easily an intramolecular ring-closure reaction by action of potassium t-butoxide producing the 3-amino-4,5-dihydro-4-hydroxy-isothiazol

Full text of DOI:10.1016/S0040-4020(01)92260-4

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