Synthesis of 2-Aryl-2,3-dihydro-3-sulfanyl-1H-isoindol-1-ones by Pummerer-Type Cyclization of N-Aryl-2-(sulfinylmethyl)benzamides

[摘要]：An efficient method for the synthesis of 2-aryl-2,3-dihydro-3-sulfanyl-1H-isoindol-1-ones 1 via Pummerer-type cyclization of N-aryl-2-(sulfinylmethyl)benzamides 2 is described. Thus, treatment of these sulfinyl-benzamides 2, easily prepared from 2-(bromomethyl)benzoates 3 in three steps, with Ac2O at ca. 100 degrees resulted in the formation of the desired isoindolones 1 in generally good yields.

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