A novel and practical one-pot procedure is described for the preparation of several new of 3H-spiro[isobenzofuran-1,6′-pyrrolo[2,3-d]pyrimidine]-2′,3,4′,5′-tetraones based on the addition reaction of ninhydrin and 6-aminouracils followed by oxidative cleavage of their corresponding dihydroxyindenopyrrolopyrimidines.
描述了一种新颖实用的一锅法,用于制备几种新的3 H-螺[异苯并呋喃-1,6'-吡咯并[2,3- d ]嘧啶] -2',3,4',5' -丁香基于茚三酮和6-氨基尿嘧啶的加成反应,然后氧化裂解其相应的二羟基茚并吡咯并嘧啶。