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Shen M, Xu Y, Zhang X, Fan X. Synthesis of Spirocyclopropylpyrazole Derivatives via the Cascade Reaction of Alkylidenecyclopropanes with Pyrazolidinones and Trifluoroethanol. Org Chem Front 2022. [DOI: 10.1039/d1qo01921j] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel synthesis of spirocyclopropylpyrazole derivatives tethered with a trifluoromethyl unit through an unprecedented cascade reaction of alkylidenecyclopropanes with pyrazolidinones and trifluoroethanol (TFE) has been developed. Mechanistically, the reaction involves...
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Alajarin M, Ballester FJ, Vivancos JA, Orenes RA, Vidal A, Sanchez-Andrada P, Marin-Luna M. Lewis Acid-Mediated Formation of 1,3-Disubstituted Spiro[cyclopropane-1,2′-indanes]: The Activating Effect of the Cyclopropane Walsh Orbital. J Org Chem 2020; 85:4565-4573. [DOI: 10.1021/acs.joc.0c00090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Mateo Alajarin
- Departamento de Quı́mica Orgánica, Facultad de Quı́mica, Regional Campus of International Excellence “Campus Mare Nostrum”, Universidad de Murcia, Murcia 30100, Spain
| | - Francisco-Jose Ballester
- Departamento de Quı́mica Orgánica, Facultad de Quı́mica, Regional Campus of International Excellence “Campus Mare Nostrum”, Universidad de Murcia, Murcia 30100, Spain
| | - Juan-Antonio Vivancos
- Departamento de Quı́mica Orgánica, Facultad de Quı́mica, Regional Campus of International Excellence “Campus Mare Nostrum”, Universidad de Murcia, Murcia 30100, Spain
| | - Raul-Angel Orenes
- Departamento de Quı́mica Orgánica, Facultad de Quı́mica, Regional Campus of International Excellence “Campus Mare Nostrum”, Universidad de Murcia, Murcia 30100, Spain
| | - Angel Vidal
- Departamento de Quı́mica Orgánica, Facultad de Quı́mica, Regional Campus of International Excellence “Campus Mare Nostrum”, Universidad de Murcia, Murcia 30100, Spain
| | - Pilar Sanchez-Andrada
- Departamento de Quı́mica Orgánica, Facultad de Quı́mica, Regional Campus of International Excellence “Campus Mare Nostrum”, Universidad de Murcia, Murcia 30100, Spain
| | - Marta Marin-Luna
- Departamento de Quı́mica Orgánica, Facultad de Quı́mica, Regional Campus of International Excellence “Campus Mare Nostrum”, Universidad de Murcia, Murcia 30100, Spain
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