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Facile, completely regioselective 1,4-hydrogenations of C(60)-diaryltetrazine monoadducts
1Department of Chemistry, University of New Hampshire, Durham, New Hampshire 03824-3598, USA.
Organic Letters
|September 29, 2000
Abstract:
Thermal Diels-Alder reactions between C(60) and electron-deficient 3, 6-diaryl-1,2,4,5-tetrazines yield monoadducts possessing a diaryldihydropyridazine function nested atop the fullerene. The diaryldihydropyridazine functions direct a completely regioselective 1,4-hydrogenation, resulting in a racemic mixture of bifunctional bisadduct (+/-)-3.