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Zhang QY, Wang XJ, Tian YL, Qi JG, Li C, Yin DL. One pot synthesis of dibenzodiazepinones via CuI catalysis in ethylene glycol. CHINESE CHEM LETT 2013. [DOI: 10.1016/j.cclet.2013.04.049] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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Shi F, Xu X, Zheng L, Dang Q, Bai X. Method development for a pyridobenzodiazepine library with multiple diversification points. ACTA ACUST UNITED AC 2008; 10:158-61. [PMID: 18260649 DOI: 10.1021/cc7002039] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Fuqiang Shi
- The Center for Combinatorial Chemistry and Drug Discovery, Jilin University, 75 Haiwai Street, Changchun, Jilin 130012, PR China
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Bunce RA, Schammerhorn JE. Dibenzo-fused seven-membered nitrogen heterocycles by a tandem reduction-lactamization reaction. J Heterocycl Chem 2006. [DOI: 10.1002/jhet.5570430432] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Cortéas EC, Baños MA, De Cortés OGM. Efficient synthesis and spectral determination of 11-[(o-m- andp-substituted)-phenyl]-8-chloro-3,3-dimethyl-2,3,4,5,10,11-hexahydro-1H-dibenzo[b,e][1,4]diazepin-1-ones. J Heterocycl Chem 2004. [DOI: 10.1002/jhet.5570410221] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Lönnqvist JE, Holmström T, Jalander LF. Synthesis of Imidazoles and Imidazolines from 1,2-Diamines and Ethyl ( E)- and ( Z)-3-Aryl-3-Chloro-2-Cyanopropenoates. JOURNAL OF CHEMICAL RESEARCH 2002. [DOI: 10.1177/1747519802200200101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Ethyl ( E)- and ( Z)-3-aryl-3-chloro-2-cyanopropenoates react stereoselectively with 1,2-diamines at room temperature to give ethyl ( Z)-3-(2-aminophenylamino)-3-aryl-2-cyanopropenoates, whereas at higher temperatures cyclisation takes place and imidazoles and imidazolines are formed in moderate to high yields.
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Affiliation(s)
- Jan-Erik Lönnqvist
- Department of Organic Chemistry, Åbo Akademi University, Biskopsgatan 8, FIN-20500 Åbo, Finland
| | - Toni Holmström
- Department of Organic Chemistry, Åbo Akademi University, Biskopsgatan 8, FIN-20500 Åbo, Finland
| | - Lars F. Jalander
- Department of Organic Chemistry, Åbo Akademi University, Biskopsgatan 8, FIN-20500 Åbo, Finland
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