New Methods for the Synthesis of Imidazoline-N-Oxides

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• Compound 4a has a m.p. 121°C; (lit2. m.p. 121°C) IR (KBr) 1590 cm−1 (C═N); 1H NMR (DMSOd6) δ 4.04, 4.54 (2H,ABsystem,JAB18.85), 6.81 (1H,s), 6.94 (1H,t,J=7.02), 7.16–7.54 (12H,m), 7.61–7.69 (2H,m).
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