期刊
CHINESE JOURNAL OF CHEMISTRY
卷 -, 期 -, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cjoc.202300488
关键词
One-pot reaction; Isocyanide; Pd catalysis; Rearrangement reaction; Isoindolinone
A series of 3-acyl-substituted isoindolinone derivatives were synthesized in a one-pot manner, using easily available starting materials and featuring simple operation and high efficiency.
A series of 3-acyl-substituted isoindolinone derivatives were synthesized in a one-pot manner via the reaction of o-bromobenzaldehydes, isocyanides, and carboxylic acids in the presence of palladium catalyst and base. The reaction employing easily available starting materials features simple operation and high efficiency. The mechanistic study showed that the reaction might undergo 1) Pd-catalyzed [3+2] cyclization of o-bromobenzaldehyde with isocyanide and the re-insertion of another molecule of isocyanide, 2) addition of carboxylic acid to in situ formed ketenimine followed by a rearrangement relay to give 3,3-diacyl-substituted isoindolinone derivative. Further transformations of the obtained products through decarbonylation could also be realized.
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