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Rhodium-Catalyzed Spirocyclization of Maleimide with N-Aryl-2,3-dihydrophthalazine-1,4-dione to Access Pentacyclic Spiro-Succinimides
Asian Journal of Organic Chemistry ( IF 2.8 ) Pub Date : 2021-08-20 , DOI: 10.1002/ajoc.202100384 Pidiyara Karishma 1 , Sanjay K. Mandal 2 , RAJEEV Sakhuja 3
Asian Journal of Organic Chemistry ( IF 2.8 ) Pub Date : 2021-08-20 , DOI: 10.1002/ajoc.202100384 Pidiyara Karishma 1 , Sanjay K. Mandal 2 , RAJEEV Sakhuja 3
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A RhIII-catalyzed strategy for the spirocyclization of 2-aryl-2,3-dihydrophthalazine-1,4-diones with maleimides is disclosed, via ortho-alkenylation followed by intramolecular aza-Michael-type addition/protonation process, to afford spiro[indazolo[1,2-b]phthalazine-13,3′-pyrrolidine]-2′,5′,6,11-tetraones in good-to-excellent yields.
中文翻译：
马来酰亚胺与 N-Aryl-2,3-dihydrophthalazine-1,4-dione 的铑催化螺环化得到五环螺-琥珀酰亚胺
公开了一种用于 2-芳基-2,3-二氢酞嗪-1,4-二酮与马来酰亚胺的螺环化的Rh III催化策略，通过邻位烯基化和分子内氮杂-迈克尔型加成/质子化过程，得到螺[indazolo[1,2 - b ]phthalazine-13,3'-pyrrolidine]-2',5',6,11-tetraones 的产率非常好。
更新日期：2021-10-19
中文翻译：
马来酰亚胺与 N-Aryl-2,3-dihydrophthalazine-1,4-dione 的铑催化螺环化得到五环螺-琥珀酰亚胺
公开了一种用于 2-芳基-2,3-二氢酞嗪-1,4-二酮与马来酰亚胺的螺环化的Rh III催化策略，通过邻位烯基化和分子内氮杂-迈克尔型加成/质子化过程，得到螺[indazolo[1,2 - b ]phthalazine-13,3'-pyrrolidine]-2',5',6,11-tetraones 的产率非常好。
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