Investigation into the reactivity of oxoniobocene complexes [Cp*2Nb(=O)R] (Cp*=η5-C5Me5; R=H, OH, OMe) towards heterocumulenes: formation of carbamato and thiocarbamato complexes and catalytic cyclization of PhNCO Pages 47-54 Olivier Blacque, Henri Brunner, Marek M. Kubicki, Jean-Claude Leblanc, Walter Meier, Claude Moise, Yves Mugnier, André Sadorge, Joachim Wachter, Manfred Zabel
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