Abstract—7,8-Dicyanotetracyclo[7.3.0.02,605,10]dodec-7-ene 3, obtained from 4,5-dicyanopyridazine 1 and cycloocta-1,5-diene 2 through a three-step pericyclic homodomino process, was found to react with optically active b-amino alcohols 4a–d, under zinc chloride catalysis, to afford a new class of enantiopure C2 symmetric bis(oxazolinyl)cage (Cage-Box) ligands 6a–d, along with the corresponding mono(oxazolinyl) derivatives 5a–d.
New Enantiopure C2 Symmeytric Bis(oxazolinyl)cage (Cage-Box) Ligands from 4,5-Dicyanopyridazine / M. CECCHI; C. FAGGI; D. GIOMI. - In: TETRAHEDRON-ASYMMETRY. - ISSN 0957-4166. - STAMPA. - 16:(2005), pp. 3998-4003. [10.1016/j.tetasy.2005.10.024]
New Enantiopure C2 Symmeytric Bis(oxazolinyl)cage (Cage-Box) Ligands from 4,5-Dicyanopyridazine
FAGGI, CRISTINA;GIOMI, DONATELLA
2005
Abstract
Abstract—7,8-Dicyanotetracyclo[7.3.0.02,605,10]dodec-7-ene 3, obtained from 4,5-dicyanopyridazine 1 and cycloocta-1,5-diene 2 through a three-step pericyclic homodomino process, was found to react with optically active b-amino alcohols 4a–d, under zinc chloride catalysis, to afford a new class of enantiopure C2 symmetric bis(oxazolinyl)cage (Cage-Box) ligands 6a–d, along with the corresponding mono(oxazolinyl) derivatives 5a–d.File | Dimensione | Formato | |
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