Issue 16, 2002
From the journal:

Chemical Communications

Preparation of 2,4-bis(2,4,6-tri-tert-butylphenyl)-1,3-diphosphacyclobutenes from 2-(2,4,6-tri-tert-butylphenyl)-1-phosphaethyne and alkyllithiums

Shigekazu Ito,a   Hiroki Sugiyamaa  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

Abstract

2-(2,4,6-Tri-tert-butylphenyl)-1-phosphaethyne was allowed to react with 0.5 eq. of alkyllithium to afford 2,4-bis(2,4,6-tri-tert-butylphenyl)-1,3-diphosphacyclobutenes through an intramolecular cyclisation of a 1,3-diphosphabuta-1,3-diene intermediate.

Graphical abstract: Preparation of 2,4-bis(2,4,6-tri-tert-butylphenyl)-1,3-diphosphacyclobutenes from 2-(2,4,6-tri-tert-butylphenyl)-1-phosphaethyne and alkyllithiums

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Article information

DOI
https://doi.org/10.1039/B204142C
Article type
Communication
Submitted
29 Apr 2002
Accepted
28 Jun 2002
First published
11 Jul 2002

Chem. Commun., 2002, 1744-1745

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Preparation of 2,4-bis(2,4,6-tri-tert-butylphenyl)-1,3-diphosphacyclobutenes from 2-(2,4,6-tri-tert-butylphenyl)-1-phosphaethyne and alkyllithiums

S. Ito, H. Sugiyama and M. Yoshifuji, Chem. Commun., 2002, 1744 DOI: 10.1039/B204142C

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