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Alkanes

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Midori Goto – One of the best experts on this subject based on the ideXlab platform.

  • facile regio and stereoselective hydrometalation of alkynes with a combination of carboxylic acids and group 10 transition metal complexes selective hydrogenation of alkynes with formic acid
    ChemInform, 2012
    Co-Authors: Ruwei Shen, Tieqiao Chen, Yalei Zhao, Yongbo Zhou, Xiangbo Wang, Midori Goto

    Abstract:

    The catalytic hydrogenation of alkynes such as (I) with formic acid can be controlled by changing the conditions to selectively produce (Z)-alkenes such as (II), (E)-alkenes such as (III), or Alkanes such as (IV).

  • facile regio and stereoselective hydrometalation of alkynes with a combination of carboxylic acids and group 10 transition metal complexes selective hydrogenation of alkynes with formic acid
    Journal of the American Chemical Society, 2011
    Co-Authors: Ruwei Shen, Tieqiao Chen, Yalei Zhao, Yongbo Zhou, Xiangbo Wang, Midori Goto

    Abstract:

    A facile, highly stereo- and regioselective hydrometalation of alkynes generating alkenylmetal complex is disclosed for the first time from a reaction of alkyne, carboxylic acid, and a zerovalent group 10 transition metal complex M(PEt3)4 (M = Ni, Pd, Pt). A mechanistic study showed that the hydrometalation does not proceed via the reaction of alkyne with a hydridometal generated by the protonation of a carboxylic acid with Pt(PEt3)4, but proceeds via a reaction of an alkyne coordinate metal complex with the acid. This finding clarifies the long proposed reaction mechanism that operates via the generation of an alkenylpalladium intermediate and subsequent transformation of this complex in a variety of reactions catalyzed by a combination of Brϕnsted acid and Pd(0) complex. This finding also leads to the disclosure of an unprecedented reduction of alkynes with formic acid that can selectively produce cis-, trans-alkenes and Alkanes by slightly tuning the conditions.

Ruwei Shen – One of the best experts on this subject based on the ideXlab platform.

  • facile regio and stereoselective hydrometalation of alkynes with a combination of carboxylic acids and group 10 transition metal complexes selective hydrogenation of alkynes with formic acid
    ChemInform, 2012
    Co-Authors: Ruwei Shen, Tieqiao Chen, Yalei Zhao, Yongbo Zhou, Xiangbo Wang, Midori Goto

    Abstract:

    The catalytic hydrogenation of alkynes such as (I) with formic acid can be controlled by changing the conditions to selectively produce (Z)-alkenes such as (II), (E)-alkenes such as (III), or Alkanes such as (IV).

  • facile regio and stereoselective hydrometalation of alkynes with a combination of carboxylic acids and group 10 transition metal complexes selective hydrogenation of alkynes with formic acid
    Journal of the American Chemical Society, 2011
    Co-Authors: Ruwei Shen, Tieqiao Chen, Yalei Zhao, Yongbo Zhou, Xiangbo Wang, Midori Goto

    Abstract:

    A facile, highly stereo- and regioselective hydrometalation of alkynes generating alkenylmetal complex is disclosed for the first time from a reaction of alkyne, carboxylic acid, and a zerovalent group 10 transition metal complex M(PEt3)4 (M = Ni, Pd, Pt). A mechanistic study showed that the hydrometalation does not proceed via the reaction of alkyne with a hydridometal generated by the protonation of a carboxylic acid with Pt(PEt3)4, but proceeds via a reaction of an alkyne coordinate metal complex with the acid. This finding clarifies the long proposed reaction mechanism that operates via the generation of an alkenylpalladium intermediate and subsequent transformation of this complex in a variety of reactions catalyzed by a combination of Brϕnsted acid and Pd(0) complex. This finding also leads to the disclosure of an unprecedented reduction of alkynes with formic acid that can selectively produce cis-, trans-alkenes and Alkanes by slightly tuning the conditions.

Tieqiao Chen – One of the best experts on this subject based on the ideXlab platform.

  • facile regio and stereoselective hydrometalation of alkynes with a combination of carboxylic acids and group 10 transition metal complexes selective hydrogenation of alkynes with formic acid
    ChemInform, 2012
    Co-Authors: Ruwei Shen, Tieqiao Chen, Yalei Zhao, Yongbo Zhou, Xiangbo Wang, Midori Goto

    Abstract:

    The catalytic hydrogenation of alkynes such as (I) with formic acid can be controlled by changing the conditions to selectively produce (Z)-alkenes such as (II), (E)-alkenes such as (III), or Alkanes such as (IV).

  • facile regio and stereoselective hydrometalation of alkynes with a combination of carboxylic acids and group 10 transition metal complexes selective hydrogenation of alkynes with formic acid
    Journal of the American Chemical Society, 2011
    Co-Authors: Ruwei Shen, Tieqiao Chen, Yalei Zhao, Yongbo Zhou, Xiangbo Wang, Midori Goto

    Abstract:

    A facile, highly stereo- and regioselective hydrometalation of alkynes generating alkenylmetal complex is disclosed for the first time from a reaction of alkyne, carboxylic acid, and a zerovalent group 10 transition metal complex M(PEt3)4 (M = Ni, Pd, Pt). A mechanistic study showed that the hydrometalation does not proceed via the reaction of alkyne with a hydridometal generated by the protonation of a carboxylic acid with Pt(PEt3)4, but proceeds via a reaction of an alkyne coordinate metal complex with the acid. This finding clarifies the long proposed reaction mechanism that operates via the generation of an alkenylpalladium intermediate and subsequent transformation of this complex in a variety of reactions catalyzed by a combination of Brϕnsted acid and Pd(0) complex. This finding also leads to the disclosure of an unprecedented reduction of alkynes with formic acid that can selectively produce cis-, trans-alkenes and Alkanes by slightly tuning the conditions.