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Cotter E, Pultar F, Riniker S, Altmann KH. Experimental and Theoretical Studies on the Reactions of Aliphatic Imines with Isocyanates. Chemistry 2024; 30:e202304272. [PMID: 38226702 DOI: 10.1002/chem.202304272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 01/14/2024] [Accepted: 01/15/2024] [Indexed: 01/17/2024]
Abstract
In the context of a project aiming at the replacement of the 3-substituted β-lactam ring in classical β-lactam antibiotics by an N(3)-acyl-1,3-diazetidinone moiety, we have investigated the reaction of isocyanates with imines derived from allyl glycinate and differently substituted propionaldehydes. Imines of aromatic aldehydes with anilines have been reported to react with acyl isocyanates to give 1,3-diazetidinones or 2,3-dihydro-4H-1,3,5-oxadiazin-4-ones, via [2+2] or [4+2] cycloaddition, respectively. However, neither of these products was formed with imines derived from allyl glycinate and 2-(mono)methyl propionaldehydes. α,α-Dimethylation of the imine enabled the [4+2] cycloaddition pathway, but the desired 1,3-diazetidinone products were not observed. Surprisingly, the imines obtained from thioesters of 2,2-dimethyl 3-oxo propionic acid reacted with aryl isocyanates or with benzyl isocyanate to give 5,5-dimethyl-2,4-dioxo-6-(aryl-/alkylthio)tetrahydropyrimidines, via thiol displacement and re-addition to a putative six-membered iminium intermediate. These experimental results obtained for the reactions could be rationalized by DFT calculations. In addition, we have shown that N(3)-acyl-1,3-diazetidinone and 2,3-dihydro-4H-1,3,5-oxadiazin-4-one products can be distinguished based on experimental IR data in combination with theoretical reference spectra employing the IR spectra alignment (IRSA) algorithm. This discrimination was not possible by means of 1 H, 13 C, or 15 N NMR spectroscopy.
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Affiliation(s)
- Etienne Cotter
- Department of Chemistry and Applied Biosciences, Institute of Pharmaceutical Sciences, ETH Zürich, Vladimir-Prelog-Weg 4, 8093, Zürich, Switzerland
| | - Felix Pultar
- ETH Zürich, Department of Chemistry and Applied Biosciences, Institute of Molecular Physical Science, 8093, Zürich, Switzerland
| | - Sereina Riniker
- ETH Zürich, Department of Chemistry and Applied Biosciences, Institute of Molecular Physical Science, 8093, Zürich, Switzerland
| | - Karl-Heinz Altmann
- Department of Chemistry and Applied Biosciences, Institute of Pharmaceutical Sciences, ETH Zürich, Vladimir-Prelog-Weg 4, 8093, Zürich, Switzerland
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Garcıas RC, Coll M, Donoso J, Muñoz F. Theoretical study of the alkaline hydrolysis of an aza-β-lactam derivative of clavulanic acid. Chem Phys Lett 2003. [DOI: 10.1016/s0009-2614(03)00322-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Coll M, Frau J, Vilanova B, Donoso J, Muñoz F, Blanco FG. Theoretical Study of the Alkaline Hydrolysis of a Bicyclic Aza-β-lactam. J Phys Chem B 2000. [DOI: 10.1021/jp001989e] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Miguel Coll
- Departament de Química, Universitat de les Illes Balears, Ctra. Valldemossa, Km. 7.5, 07071 Palma de Mallorca, Illes Balears, Spain, and Departamento de Química Física, Facultad de Farmacia, Universidad Complutense, 28040 Madrid, Spain
| | - Juan Frau
- Departament de Química, Universitat de les Illes Balears, Ctra. Valldemossa, Km. 7.5, 07071 Palma de Mallorca, Illes Balears, Spain, and Departamento de Química Física, Facultad de Farmacia, Universidad Complutense, 28040 Madrid, Spain
| | - Bartolomé Vilanova
- Departament de Química, Universitat de les Illes Balears, Ctra. Valldemossa, Km. 7.5, 07071 Palma de Mallorca, Illes Balears, Spain, and Departamento de Química Física, Facultad de Farmacia, Universidad Complutense, 28040 Madrid, Spain
| | - Josefa Donoso
- Departament de Química, Universitat de les Illes Balears, Ctra. Valldemossa, Km. 7.5, 07071 Palma de Mallorca, Illes Balears, Spain, and Departamento de Química Física, Facultad de Farmacia, Universidad Complutense, 28040 Madrid, Spain
| | - Francisco Muñoz
- Departament de Química, Universitat de les Illes Balears, Ctra. Valldemossa, Km. 7.5, 07071 Palma de Mallorca, Illes Balears, Spain, and Departamento de Química Física, Facultad de Farmacia, Universidad Complutense, 28040 Madrid, Spain
| | - Francisco García Blanco
- Departament de Química, Universitat de les Illes Balears, Ctra. Valldemossa, Km. 7.5, 07071 Palma de Mallorca, Illes Balears, Spain, and Departamento de Química Física, Facultad de Farmacia, Universidad Complutense, 28040 Madrid, Spain
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Coll M, Frau J, Vilanova B, Donoso J, Muñoz F. Ab initio study of the alkaline hydrolysis of a thio-β-lactam structure. Chem Phys Lett 2000. [DOI: 10.1016/s0009-2614(00)00796-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Coll M, Frau J, Donoso J, Muñoz F. PM3 study of reactivity of non-classical β-lactam structures. ACTA ACUST UNITED AC 1999. [DOI: 10.1016/s0166-1280(99)00250-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Coll M, Frau J, Vilanova B, Donoso J, Muñoz F, Blanco FG. Theoretical Study of the Alkaline Hydrolysis of an Oxo-β-Lactam Structure. J Phys Chem A 1999. [DOI: 10.1021/jp991958n] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Miguel Coll
- Departament de Química, Universitat de les Illes Balears, Ctra. Valldemossa, Km 7.5, 07071 Palma de Mallorca, Illes Balears, Spain, and Departamento de Química Física, Facultad de Farmacia, Universidad Complutense, 28040, Madrid, Spain
| | - Juan Frau
- Departament de Química, Universitat de les Illes Balears, Ctra. Valldemossa, Km 7.5, 07071 Palma de Mallorca, Illes Balears, Spain, and Departamento de Química Física, Facultad de Farmacia, Universidad Complutense, 28040, Madrid, Spain
| | - Bartolomé Vilanova
- Departament de Química, Universitat de les Illes Balears, Ctra. Valldemossa, Km 7.5, 07071 Palma de Mallorca, Illes Balears, Spain, and Departamento de Química Física, Facultad de Farmacia, Universidad Complutense, 28040, Madrid, Spain
| | - Josefa Donoso
- Departament de Química, Universitat de les Illes Balears, Ctra. Valldemossa, Km 7.5, 07071 Palma de Mallorca, Illes Balears, Spain, and Departamento de Química Física, Facultad de Farmacia, Universidad Complutense, 28040, Madrid, Spain
| | - Francisco Muñoz
- Departament de Química, Universitat de les Illes Balears, Ctra. Valldemossa, Km 7.5, 07071 Palma de Mallorca, Illes Balears, Spain, and Departamento de Química Física, Facultad de Farmacia, Universidad Complutense, 28040, Madrid, Spain
| | - Francisco García Blanco
- Departament de Química, Universitat de les Illes Balears, Ctra. Valldemossa, Km 7.5, 07071 Palma de Mallorca, Illes Balears, Spain, and Departamento de Química Física, Facultad de Farmacia, Universidad Complutense, 28040, Madrid, Spain
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Nangia A, Chandrakala P. Synthesis of 1,3-diazetidin-2-ones (aza-β-lactams) as rationally designed transpeptidase and β-lactamase inhibitors. Tetrahedron Lett 1995. [DOI: 10.1016/0040-4039(95)01473-u] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Jaworska M, Kupka T, Lodowski P, Dziȩgielewski JO. Determination of penicillin complexation sites in the presence of Zn(II) ions by AM1 and PM3 methods. ACTA ACUST UNITED AC 1993. [DOI: 10.1016/0166-1280(93)87132-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Nangia A. AM1 heats of formation for the reaction of alcohols with a series of β-lactams and aza-β-lactams: Design of novel β-lactamase inactivators. J CHEM SCI 1993. [DOI: 10.1007/bf02867147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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