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EnglishWe report the isolation and characterization of bis- and tris-adducts of fulleropyrrolidine derivatives. First, all eight N-methyl regioisomers with two addends on the C60 sphere have been isolated; second, C60 was used as starting material for the synthesis of tris-adducts, and the products formed in detectable quantities have been isolated and characterized. Third, the same compounds were obtained by introducing the third addend on each previously isolated bis-derivative: this approach facilitated the assignment of the relative geometry through chromatographic comparison of the diverse reaction mixtures. Finally, the obtained tris-adducts have been characterized by means of ES-MS, UV-vis, 1H NMR, as well as comparison with UV spectra and elution order of Bingel and Diels-Alder tris-adducts described in the literature.
| Titolo: | Isolation and Characterization of Nine Tris-Adducts of N-Methyl-Fulleropyrrolidine Derivatives |
| Autori: | |
| Data di pubblicazione: | 2005 |
| Rivista: | |
| Abstract: | We report the isolation and characterization of bis- and tris-adducts of fulleropyrrolidine derivatives. First, all eight N-methyl regioisomers with two addends on the C60 sphere have been isolated; second, C60 was used as starting material for the synthesis of tris-adducts, and the products formed in detectable quantities have been isolated and characterized. Third, the same compounds were obtained by introducing the third addend on each previously isolated bis-derivative: this approach facilitated the assignment of the relative geometry through chromatographic comparison of the diverse reaction mixtures. Finally, the obtained tris-adducts have been characterized by means of ES-MS, UV-vis, 1H NMR, as well as comparison with UV spectra and elution order of Bingel and Diels-Alder tris-adducts described in the literature. |
| Handle: | http://hdl.handle.net/11368/1693540 |
| Appare nelle tipologie: | 1.1 Articolo in Rivista |
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