m-Chloroperbenzoic acid → Amino(1,3-dihydrobenzo[c]thien-4-yl)acetic acid

참여 물질

반응 조건

반응 단계

α-(tert-Butoxycarbonyl)amino(1,3-dihydrobenzo[c]thien-4-yl)acetic acid (0.05 m) is added to chloroform and the mixture cooled to about 0° C. Over a period of about 2.5 hours, 0.12 moles of m-chloroperbenzoic acid dissolved in chloroform is added to the mixture maintained at 0° C. When the addition of the m-chloroperbenzoic acid is complete, the temperature of the mixture is raised to about 20° to 25° C. from about 0° C. and stirred for about 18 hours, chilled to 0° C. to precipitate the m-chlorobenzoic acid which is filtered from the solution. Removal of a portion of the chloroform results in the precipitation of Amino(1,3-dihydrobenzo[c]thien-4-yl)acetic acid, 2-oxide

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