Applications Gabriel–Colman rearrangement

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in study of derivatives of 3-oxo-1,2-benzoisothiazoline-2-acetic acid 1,1-dioxide, gabriel–colman rearrangement employed in conversion of isopropyl (1,1-dioxido-3-oxo-1,2-benzothiazol-2(3h)-yl)acetate isopropyl 4-hydroxy-2h-1,2-benzothiazine-3-carboxylate 1,1-dioxide, shown above. reaction has shown percent yield of 85%.




in study, n-phthalimidoglycine ethyl ester used synthesize 4-hydroxyisoquinoline through use of gabriel–colman rearrangement, shown above. reaction has shown percent yield of 91%. formation of product important step in study of synthesis of 4,4′-functionalized 1,1′-biisoquinolines.








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