Issue 24, 2002
From the journal:

Chemical Communications

Development of a new sterically protecting auxiliary of the metacyclophane type and application to unsymmetrical diphosphene, 1,3-diphosphaallene, and 1,4-diphosphabutatriene†

Kozo Toyota,a   Akitake Nakamuraa  and  Masaaki Yoshifuji*a  

* Corresponding authors

a Department of Chemistry, Graduate School of Science, Tohoku University, Aoba, Sendai, Japan
E-mail: yoshifj@mail.cc.tohoku.ac.jp
Fax: +81-22-217-6562
Tel: +81-22-217-6558

Abstract

A new bulky bromobenzene of the metacyclophane type was converted to an unsymmetrically substituted 1,4-diphosphabutatriene whose spin–spin coupling constant (3JPP) turned out to be larger, for the first time, than the 2JPP value of the corresponding 1,3-diphosphaallene.

Graphical abstract: Development of a new sterically protecting auxiliary of the metacyclophane type and application to unsymmetrical diphosphene, 1,3-diphosphaallene, and 1,4-diphosphabutatriene

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Article information

DOI
https://doi.org/10.1039/B209666H
Article type
Communication
Submitted
03 Oct 2002
Accepted
31 Oct 2002
First published
15 Nov 2002

Chem. Commun., 2002, 3012-3013

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Development of a new sterically protecting auxiliary of the metacyclophane type and application to unsymmetrical diphosphene, 1,3-diphosphaallene, and 1,4-diphosphabutatriene

K. Toyota, A. Nakamura and M. Yoshifuji, Chem. Commun., 2002, 3012 DOI: 10.1039/B209666H

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