Studies on the reactions of bis(acetylacetonato)platinum(II) with Lewis bases. I. Reactions with tertiary phosphines leading to a complex containing carbon-bonded unidetate acetylacetonato ligand and preparation of new alkylplatinum complexes.

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概要

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• Addition of tertiary phosphines (PR<SUB>3</SUB>) to [Pt(acac)<SUB>2</SUB>] (acac=acetylacetonato-<I>O</I>,<I>O</I>′) causes the rearrangement of one of the O-bonded chelate acac ligands to a C-bonded form giving [Pt(acac)(γ-acac)PR<SUB>3</SUB>] (γ-acac=acetylacetonato-<I>C</I><SUP>3</SUP>) (PR<SUB>3</SUB>=PPh<SUB>3</SUB>, <B>1a</B>, and P(C<SUB>6</SUB>H<SUB>11</SUB>)<SUB>3</SUB>, <B>2a</B>). Complexes <B>1a</B> and <B>2a</B> were isolated and characterized by means of elemental analysis, infrared and <SUP>1</SUP>H- and <SUP>13</SUP>C-NMR spectroscopy. Some reactions involving complex <B>1</B> were investigated. The mechanism of formation of a diethylplatinum complex in the reaction of [Pt(acac)<SUB>2</SUB>] with Al(OEt)Et<SUB>2</SUB> and PPh<SUB>3</SUB> is discussed taking into account the rearrangement of the acac ligand from the O-bonded chelate to a C-bonded form.

• 公益社団法人 日本化学会の論文

著者

• Kiriyama Takashi

  Research Laboratory of Resources Utilization, Tokyo Institute of Technology

関連論文

• Studies on the reactions of bis(acetylacetonato)platinum(II) with Lewis bases. I. Reactions with tertiary phosphines leading to a complex containing carbon-bonded unidetate acetylacetonato ligand and preparation of new alkylplatinum complexes.

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