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Hydroxylamine-alkyne cyclisations. A new method for the synthesis of cyclic nitrones

1992; Elsevier BV; Volume: 33; Issue: 48 Linguagem: Inglês

10.1016/s0040-4039(00)60205-8

1873-3581

Martin E. Fox, Andrew B. Holmes, Ian T. Forbes, Mervyn Thompson,

Organic and Inorganic Chemical Reactions

Abstract The intramolecular cyclisation of the alkynylhydroxylamines 2 , 5a , 8 , 11 , 16 and 19 provides the cyclic nitrones 3 , 9 , 12 , 17 and 20 in good yields.