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Reaction between 4-nitrobenzonitrile (7) and 2,4,6-trimethylbenzonitrile oxide (8). Reagents and conditions: a) alumina magnetite bath; conventional conditions: 135 °C, 8 min, 48 %; microwave irradiation: 135 °C (450 W), 8 min, 68 %. Result: acceleration rate=1.7.
