Substrate-dependent regiodivergence in [3 + 2] annulation reactions of 2-(phenacylethylidene)cyclobutanones with thioureas
Stefano Barranco,
Alessio Pagnanini,
Federico Cuccu
et al.
Abstract:We report here a successful synthesis of previously unknown cyclobutane-fused imidazolidine-2-thione and thiazolidine-2-imine derivatives in good to high yields.
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