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Abstract
A simple approach to synthesize 4b,5,6,9-tetrahydro-7H-dibenzo[c,e]pyrrolo[1,2-a]azepin- 7-one has been developed, based on a three-step transformation of 2-(2-bromophenyl)cyclopropane-1,1-diester. The key stage in this method is an intramolecular cross-coupling of 1-(2-bromobenzyl)-5-(2-bromophenyl)pyrrolidin-2-one under continuous flow conditions in an H-Сube-Pro using commercially available supported Pd catalysts.
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Kondapalli V, Yu X, Yamamoto Y, Bao M. Synthesis of 5H-Dibenzo[c,e]azepine-5,7(6H)-diones from Benzamides via Palladium-Catalyzed Double C–H Bond Activation. J Org Chem 2017; 82:2288-2293. [DOI: 10.1021/acs.joc.6b03087] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Vijayakumar Kondapalli
- State
Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116023, China
| | - Xiaoqiang Yu
- State
Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116023, China
| | - Yoshinori Yamamoto
- State
Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116023, China
- World
Premier International-Advanced Institute for Materials Research (WPI-AIMR), Tohoku University, Sendai 980-8577, Japan
| | - Ming Bao
- State
Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116023, China
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