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Formation of a [2 + 2]-heterotetranuclear macrocycle from reaction of a platina-homoditopic ligand with iron(II)
Authors:Constable Edwin C  Housecroft Catherine E  Neuburger Markus  Schaffner Sylvia  Shardlow Ellen J
Affiliation:Department of Chemistry, University of Basel, Spitalstrasse 51, CH-4056, Basel, Switzerland.
Abstract:Reaction of 4'-(2-propyn-1-oxy)-2,2':6',2'-terpyridine (HC triple bond CCH2Oterpy) with trans-[PtI2(PEt3)2] regioselectively metallates the alkyne to give trans-[Pt(C triple bond CCH2Oterpy)2(PEt3)2] which, when treated with Fe(II), gives a [2 + 2]-metallocycle.
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