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Synthesis 1997; 1997(12): 1439-1445
DOI: 10.1055/s-1997-1370
DOI: 10.1055/s-1997-1370
paper
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A Short and Efficient Synthesis of 3-Diphenylphosphoryl- and 3-Diethoxyphosphoryl(aza)isoindolinones: Extension to the Sulfonylated Analogs
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Publication History
Publication Date:
31 December 2000 (online)
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A variety of 3-diphenylphosphoryl- and 3-diethoxyphosphoryl-(aza)isoindolinones have been efficiently prepared by aryne- and hetaryne-mediated cyclization of phosphorylated α-amino carbanions derived from suitably substituted 2- and 3-halobenamide and 3-chloropyridine-4-carboxamide derivatives. The synthesis of some 3-sulfonylated analogs by extension of this principle has been achieved.
phosphorylated α-amino carbanions - aryne-mediated cyclization - phosphorylated and sulfonylated (aza)isoindolinones