Triosmium carbonyl complexes with multiple 1,3,5-triaza-7-phosphaadamantane (PTA) ligands: Synthesis of a new water-soluble Os3 cluster

Microwave heating is used to rapidly synthesize the triosmium carbonyl complexes Os3(CO)12−x(PTA)x, with x = 1, 2, 3, and 4, the latter of which is water-soluble.61