Reactions of platinum σ-acetylide complexes with dicobalt octacarbonyl: Conversion of an alkyne unit into cyclopentenone

Jack Lewis; Bing Lin; Paul R. Raithby

doi:10.1007/BF00136422

Reactions of platinum σ-acetylide complexes with dicobalt octacarbonyl: Conversion of an alkyne unit into cyclopentenone

Jack Lewis, Bing Lin, Paul R. Raithby

University of Cambridge

Research output: Contribution to journal › Article › peer-review

Abstract

Treatment of platinum σ-acetylide complexes trans-Pt(PR₃)₂(569-01569-02)₂(1) with two equivalents of Co₂(CO)₈ gave complexes trans-Pt(PR₃)₂(568-03₂-[Co₂(CO)₆]R′)₂(3) and (4), where R = Et or n-Bu and R′ = H or SiMe₃, in high yields. The unsubstituted platinum-alkyne-cobalt complex (i.e. R′ = H) reacted with alkenes (norbornylene or cyclopentene) to produce new platinum acetylides containing 2-cyclopentenone groups. All new compounds were characterized by i.r., u.v.-vis. and n.m.r. (¹H, ³¹P, ¹³C) spectroscopies.

Original language	English
Pages (from-to)	569-573
Number of pages	5
Journal	Transition Metal Chemistry
Volume	20
Issue number	6
DOIs	https://doi.org/10.1007/BF00136422
Publication status	Published - 31 Dec 1995

ASJC Scopus subject areas

Inorganic Chemistry
Metals and Alloys
Materials Chemistry

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title = "Reactions of platinum σ-acetylide complexes with dicobalt octacarbonyl: Conversion of an alkyne unit into cyclopentenone",

abstract = "Treatment of platinum σ-acetylide complexes trans-Pt(PR3)2(569-01569-02)2(1) with two equivalents of Co2(CO)8 gave complexes trans-Pt(PR3)2(568-032-[Co2(CO)6]R′)2(3) and (4), where R = Et or n-Bu and R′ = H or SiMe3, in high yields. The unsubstituted platinum-alkyne-cobalt complex (i.e. R′ = H) reacted with alkenes (norbornylene or cyclopentene) to produce new platinum acetylides containing 2-cyclopentenone groups. All new compounds were characterized by i.r., u.v.-vis. and n.m.r. (1H, 31P, 13C) spectroscopies.",

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T1 - Reactions of platinum σ-acetylide complexes with dicobalt octacarbonyl

T2 - Conversion of an alkyne unit into cyclopentenone

AU - Lewis, Jack

AU - Lin, Bing

AU - Raithby, Paul R.

PY - 1995/12/31

Y1 - 1995/12/31

N2 - Treatment of platinum σ-acetylide complexes trans-Pt(PR3)2(569-01569-02)2(1) with two equivalents of Co2(CO)8 gave complexes trans-Pt(PR3)2(568-032-[Co2(CO)6]R′)2(3) and (4), where R = Et or n-Bu and R′ = H or SiMe3, in high yields. The unsubstituted platinum-alkyne-cobalt complex (i.e. R′ = H) reacted with alkenes (norbornylene or cyclopentene) to produce new platinum acetylides containing 2-cyclopentenone groups. All new compounds were characterized by i.r., u.v.-vis. and n.m.r. (1H, 31P, 13C) spectroscopies.

AB - Treatment of platinum σ-acetylide complexes trans-Pt(PR3)2(569-01569-02)2(1) with two equivalents of Co2(CO)8 gave complexes trans-Pt(PR3)2(568-032-[Co2(CO)6]R′)2(3) and (4), where R = Et or n-Bu and R′ = H or SiMe3, in high yields. The unsubstituted platinum-alkyne-cobalt complex (i.e. R′ = H) reacted with alkenes (norbornylene or cyclopentene) to produce new platinum acetylides containing 2-cyclopentenone groups. All new compounds were characterized by i.r., u.v.-vis. and n.m.r. (1H, 31P, 13C) spectroscopies.

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Reactions of platinum σ-acetylide complexes with dicobalt octacarbonyl: Conversion of an alkyne unit into cyclopentenone

Abstract

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