cis-PtII(Ar)(2-butyne)} fragments in cationic complexes is described. Coordination of the unsaturated ligand is observed at low temperature. Upon increasing at 298 K, a cascade of reactions affords a selective formation of indenes. Mechanistic implications of this domino-reaction are discussed.
描述了顺式Pt II(Ar)(
2-丁炔)}片段在阳离子配合物中的反应性。在低温下观察到不饱和
配体的配位。在298 K下增加时,一连串的反应提供了
茚的选择性形成。讨论了这种多米诺反应的机理。