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Reaction of trans-[Pt(NC5H4CHBun2)2Cl2] 1 with an excess of HCCR (R = Ph, C6H4Me, C6H4NO2) affords the monomeric complex trans-[Pt(NC5H4CHBun2)2(CCR)2] (R = Ph 2a, C6H4Me 2b, C6H4NO2 2c), the trans arrangement of the alkynyl ligands being confirmed from spectroscopic data and by an X-ray analysis of 2c; when 1 is treated with 1 equiv. of HCCC6H2(Me)2CCH the polymer [Pt(NC5H4CHBun2)2CCC6H2Me2CC]n is formed, which is soluble in a range of organic solvents.
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Adams et al. (1997) studied this question.
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