Solid‐phase synthetic method for N‐alkyl‐7‐alkylamino‐2‐aryloxazolo[5,4‐d]pyrimidine‐5‐carboxamide derivatives
Min Ju Cho,
Hye Won Yang,
Moon‐Kook Jeon
Abstract:Oxazolo[5,4‐d]pyrimidine derivatives have been reported to exhibit interesting biological activities. Herein, we described a solid‐phase synthetic method to produce N‐alkyl‐7‐alkylamino‐2‐aryloxazolo[5,4‐d]pyrimidine‐5‐carboxamide derivatives. The strategy consists of loading the template compounds (i.e., 2‐aryl‐6,7‐dihydrooxazolo[5,4‐d]pyrimidin‐7‐one‐5‐carboxylic acids) onto aminated acid‐sensitive methoxybenzaldehyde (AMEBA) resins, the subsequent benzotriazol‐1‐yloxytris(dimethylamino)phosphonium hexafluor… Show more
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