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However, treatment of compound <jats:bold>2<\/jats:bold> with HCl(aq) results in the formation of [NBu<jats:sub>4<\/jats:sub>][<jats:italic>cis<\/jats:italic>\u2010Pt(CF<jats:sub>3<\/jats:sub>)<jats:sub>2<\/jats:sub>Cl(CO)] (<jats:bold>3<\/jats:bold>), which undergoes degradation of an additional CF<jats:sub>3<\/jats:sub> group by further treatment with HCl(aq) in large excess, affording [NBu<jats:sub>4<\/jats:sub>][<jats:italic>cis<\/jats:italic>\u2010Pt(CF<jats:sub>3<\/jats:sub>)Cl<jats:sub>2<\/jats:sub>(CO)] (<jats:bold>4<\/jats:bold>). The carbonyl derivatives <jats:bold>2<\/jats:bold>\u2013<jats:bold>4<\/jats:bold> are fairly stable species, in which the CO ligand, however, can be readily extruded by reaction with trimethylamine <jats:italic>N<\/jats:italic>\u2010oxide (ONMe<jats:sub>3<\/jats:sub>). Thus, compound <jats:bold>2<\/jats:bold> reacts with ONMe<jats:sub>3<\/jats:sub> in the presence of a number of neutral or anionic ligands affording a series of singly or doubly charged derivatives with the general formulae [NBu<jats:sub>4<\/jats:sub>][Pt(CF<jats:sub>3<\/jats:sub>)<jats:sub>3<\/jats:sub>(L)] [L=CN<jats:italic>t<\/jats:italic>Bu (<jats:bold>5<\/jats:bold>), PPh<jats:sub>3<\/jats:sub> (<jats:bold>6<\/jats:bold>), P(<jats:italic>o<\/jats:italic>\u2010tolyl)<jats:sub>3<\/jats:sub> (<jats:bold>7<\/jats:bold>), tht (<jats:bold>8<\/jats:bold>; tht=tetrahydrothiophene)] and [NBu<jats:sub>4<\/jats:sub>]<jats:sub>2<\/jats:sub>[Pt(CF<jats:sub>3<\/jats:sub>)<jats:sub>3<\/jats:sub>X] [X=Cl (<jats:bold>9<\/jats:bold>), Br (<jats:bold>10<\/jats:bold>), I (<jats:bold>11<\/jats:bold>)], respectively. Compound <jats:bold>2<\/jats:bold> also reacts with ONMe<jats:sub>3<\/jats:sub> and pyridin\u20102\u2010thiol (C<jats:sub>5<\/jats:sub>H<jats:sub>5<\/jats:sub>NS) giving rise to the five\u2010membered metallacyclic derivative [NBu<jats:sub>4<\/jats:sub>][Pt(CF<jats:sub>3<\/jats:sub>)<jats:sub>2<\/jats:sub>(CF<jats:sub>2<\/jats:sub>NC<jats:sub>5<\/jats:sub>H<jats:sub>4<\/jats:sub>S\u2010\u03ba<jats:italic>C<\/jats:italic>,\u03ba<jats:italic>S<\/jats:italic>)] (<jats:bold>12<\/jats:bold>), which can be viewed as a difluorocarbene species stabilized by intramolecular base coordination. On the other hand, treatment of compound <jats:bold>3<\/jats:bold> with ONMe<jats:sub>3<\/jats:sub> in the presence of C<jats:sub>5<\/jats:sub>H<jats:sub>5<\/jats:sub>NS yields the four\u2010membered metallacyclic compound [NBu<jats:sub>4<\/jats:sub>][Pt(CF<jats:sub>3<\/jats:sub>)<jats:sub>2<\/jats:sub>(NC<jats:sub>5<\/jats:sub>H<jats:sub>4<\/jats:sub>S\u2010\u03ba<jats:italic>N<\/jats:italic>,\u03ba<jats:italic>S<\/jats:italic>)] (<jats:bold>13<\/jats:bold>). The geometries of the metallacycles in compounds <jats:bold>12<\/jats:bold> and <jats:bold>13<\/jats:bold> are compared. In the absence of any additional ligand, compound <jats:bold>3<\/jats:bold> undergoes dimerization producing the dinuclear species [NBu<jats:sub>4<\/jats:sub>]<jats:sub>2<\/jats:sub>[{Pt(CF<jats:sub>3<\/jats:sub>)<jats:sub>2<\/jats:sub>}<jats:sub>2<\/jats:sub>(\u03bc\u2010Cl)<jats:sub>2<\/jats:sub>] (<jats:bold>14<\/jats:bold>). Halide abstraction in the latter compound with AgClO<jats:sub>4<\/jats:sub> in THF yields the solvento compound <jats:italic>cis<\/jats:italic>\u2010[Pt(CF<jats:sub>3<\/jats:sub>)<jats:sub>2<\/jats:sub>(thf)<jats:sub>2<\/jats:sub>] (<jats:bold>15<\/jats:bold>). The highly labile character of the THF ligands in compound <jats:bold>15<\/jats:bold> makes this species a convenient synthon of the \u201c<jats:italic>cis<\/jats:italic>\u2010Pt(CF<jats:sub>3<\/jats:sub>)<jats:sub>2<\/jats:sub>\u201d unit.<\/jats:p>","DOI":"10.1002\/chem.201202648","type":"journal-article","created":{"date-parts":[[2012,11,20]],"date-time":"2012-11-20T03:32:52Z","timestamp":1353382372000},"page":"324-337","source":"Crossref","is-referenced-by-count":16,"title":["Stepwise Degradation of Trifluoromethyl Platinum(II) Compounds"],"prefix":"10.1002","volume":"19","author":[{"given":"Sonia","family":"Mart\u00ednez\u2010Salvador","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Juan","family":"Forni\u00e9s","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Antonio","family":"Mart\u00edn","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Babil","family":"Menj\u00f3n","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Isabel","family":"Us\u00f3n","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2012,11,20]]},"reference":[{"key":"e_1_2_6_1_2","first-page":"12.2","volume-title":"Organotransition Metal Chemistry","author":"Hartwig J. 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