Preparation of sterically protected 3,4-bis[(2,4,6-tri-tert-butylphenyl)-phosphinidene]cyclobutene derivatives having ring-fused structures

Naoki Yamada; Keita Abe; Kozo Toyota; Masaaki Yoshifuji

doi:10.1021/ol017169h

Preparation of sterically protected 3,4-bis[(2,4,6-tri-tert-butylphenyl)-phosphinidene]cyclobutene derivatives having ring-fused structures

Naoki Yamada, Keita Abe, Kozo Toyota, Masaaki Yoshifuji

SCI - Chemistry

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

26 Citations (Scopus)

Abstract

(Formula Presented) Sterically protected 3,4-diphosphinidenecyclobutenes, having ring-fused structures, were prepared. Structures of 8,9-bis[(2,4,6-tri-tert-butylphenyl)-phosphinidene]bicyclo[5.2.0]non-1(7)-ene and its dichloropalladium(II) complex were analyzed by X-ray crystallography. A geometrical change induced by the complex formation was exhibited by X-ray crystallographic analysis. The geometrical change in solution was also suggested by ¹H NMR spectroscopy in CDCl₃.

Original language	English
Pages (from-to)	569-572
Number of pages	4
Journal	Organic letters
Volume	4
Issue number	4
DOIs	https://doi.org/10.1021/ol017169h
Publication status	Published - 2002 Feb 21

ASJC Scopus subject areas

Biochemistry
Physical and Theoretical Chemistry
Organic Chemistry

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title = "Preparation of sterically protected 3,4-bis[(2,4,6-tri-tert-butylphenyl)-phosphinidene]cyclobutene derivatives having ring-fused structures",

abstract = "(Formula Presented) Sterically protected 3,4-diphosphinidenecyclobutenes, having ring-fused structures, were prepared. Structures of 8,9-bis[(2,4,6-tri-tert-butylphenyl)-phosphinidene]bicyclo[5.2.0]non-1(7)-ene and its dichloropalladium(II) complex were analyzed by X-ray crystallography. A geometrical change induced by the complex formation was exhibited by X-ray crystallographic analysis. The geometrical change in solution was also suggested by 1H NMR spectroscopy in CDCl3.",

author = "Naoki Yamada and Keita Abe and Kozo Toyota and Masaaki Yoshifuji",

year = "2002",

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T1 - Preparation of sterically protected 3,4-bis[(2,4,6-tri-tert-butylphenyl)-phosphinidene]cyclobutene derivatives having ring-fused structures

AU - Yamada, Naoki

AU - Abe, Keita

AU - Toyota, Kozo

AU - Yoshifuji, Masaaki

PY - 2002/2/21

Y1 - 2002/2/21

N2 - (Formula Presented) Sterically protected 3,4-diphosphinidenecyclobutenes, having ring-fused structures, were prepared. Structures of 8,9-bis[(2,4,6-tri-tert-butylphenyl)-phosphinidene]bicyclo[5.2.0]non-1(7)-ene and its dichloropalladium(II) complex were analyzed by X-ray crystallography. A geometrical change induced by the complex formation was exhibited by X-ray crystallographic analysis. The geometrical change in solution was also suggested by 1H NMR spectroscopy in CDCl3.

AB - (Formula Presented) Sterically protected 3,4-diphosphinidenecyclobutenes, having ring-fused structures, were prepared. Structures of 8,9-bis[(2,4,6-tri-tert-butylphenyl)-phosphinidene]bicyclo[5.2.0]non-1(7)-ene and its dichloropalladium(II) complex were analyzed by X-ray crystallography. A geometrical change induced by the complex formation was exhibited by X-ray crystallographic analysis. The geometrical change in solution was also suggested by 1H NMR spectroscopy in CDCl3.

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Preparation of sterically protected 3,4-bis[(2,4,6-tri-tert-butylphenyl)-phosphinidene]cyclobutene derivatives having ring-fused structures

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