Issue 20, 2000
From the journal:

Chemical Communications

Tandem 1,3-azaprotiocyclotransfer–cycloaddition reactions between aldoximes and divinyl ketone. Remarkable rate enhancement and control of cycloaddition regiochemistry by hafnium(iv) chloride

Peter J. Dunn,b   Alison B. Graham,a   Ronald Grigg*a  and  Paul Higginsonb  

* Corresponding authors

a Molecular Innovation, Diversity and Automated Synthesis (MIDAS) Centre, School of Chemistry, The University of Leeds, Leeds, UK
E-mail: R.Grigg@chem.leeds.ac.uk

b Pfizer Global Research & Development (UK), Sandwich, Kent, UK

Abstract

The tandem 1,3-azaprotiocyclotransfer–cycloaddition reaction between aldoximes and divinyl ketone affords the exo- isomers of substituted 1-aza-8-oxabicyclo[3.2.1]octan-4-ones when a substoichiometric amount of hafnium(IV) chloride is added.

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Article information

DOI
https://doi.org/10.1039/B005389I
Article type
Communication
Submitted
05 Jul 2000
Accepted
11 Sep 2000
First published
02 Oct 2000

Chem. Commun., 2000, 2035-2036

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Tandem 1,3-azaprotiocyclotransfer–cycloaddition reactions between aldoximes and divinyl ketone. Remarkable rate enhancement and control of cycloaddition regiochemistry by hafnium(IV) chloride

P. J. Dunn, A. B. Graham, R. Grigg and P. Higginson, Chem. Commun., 2000, 2035 DOI: 10.1039/B005389I

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