Palladium-catalyzed synthesis of dibenzophosphole oxides via intramolecular dehydrogenative cyclization

Yoichiro Kuninobu; Takuya Yoshida; Kazuhiko Takai

doi:10.1021/jo201030j

Palladium-catalyzed synthesis of dibenzophosphole oxides via intramolecular dehydrogenative cyclization

Yoichiro Kuninobu, Takuya Yoshida, Kazuhiko Takai

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129 Citations (Scopus)

Abstract

Dibenzophosphole oxides were obtained from secondary hydrophosphine oxides with a biphenyl group by dehydrogenation via phosphine-hydrogen and carbon-hydrogen bond cleavage in the presence of a catalytic amount of palladium(II) acetate, Pd(OAc)₂. By using this reaction, a ladder-type dibenzophosphole oxide could also be synthesized by double intramolecular dehydrogenative cyclization.

Original language	English
Pages (from-to)	7370-7376
Number of pages	7
Journal	Journal of Organic Chemistry
Volume	76
Issue number	18
DOIs	https://doi.org/10.1021/jo201030j
Publication status	Published - Sept 16 2011

ASJC Scopus subject areas

Organic Chemistry

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10.1021/jo201030j

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title = "Palladium-catalyzed synthesis of dibenzophosphole oxides via intramolecular dehydrogenative cyclization",

abstract = "Dibenzophosphole oxides were obtained from secondary hydrophosphine oxides with a biphenyl group by dehydrogenation via phosphine-hydrogen and carbon-hydrogen bond cleavage in the presence of a catalytic amount of palladium(II) acetate, Pd(OAc)2. By using this reaction, a ladder-type dibenzophosphole oxide could also be synthesized by double intramolecular dehydrogenative cyclization.",

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AU - Kuninobu, Yoichiro

AU - Yoshida, Takuya

AU - Takai, Kazuhiko

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Y1 - 2011/9/16

N2 - Dibenzophosphole oxides were obtained from secondary hydrophosphine oxides with a biphenyl group by dehydrogenation via phosphine-hydrogen and carbon-hydrogen bond cleavage in the presence of a catalytic amount of palladium(II) acetate, Pd(OAc)2. By using this reaction, a ladder-type dibenzophosphole oxide could also be synthesized by double intramolecular dehydrogenative cyclization.

AB - Dibenzophosphole oxides were obtained from secondary hydrophosphine oxides with a biphenyl group by dehydrogenation via phosphine-hydrogen and carbon-hydrogen bond cleavage in the presence of a catalytic amount of palladium(II) acetate, Pd(OAc)2. By using this reaction, a ladder-type dibenzophosphole oxide could also be synthesized by double intramolecular dehydrogenative cyclization.

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Palladium-catalyzed synthesis of dibenzophosphole oxides via intramolecular dehydrogenative cyclization

Abstract

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