Issue 8, 2001
From the journal:

Journal of the Chemical Society, Perkin Transactions 2

Interaction of sulfinimines with boron Lewis acids†

Robert Kawęcki,*a   Elżbieta Bednarekb  and  Jerzy Sitkowskib  

* Corresponding authors

a Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44, Warsaw, Poland

b Drug Institute, Chełmska 30/34, Warsaw, Poland

Abstract

The interaction of sulfinimines with boron trifluoride etherate and boron trichloride has been investigated using 1H, 13C and 15N NMR. The formation of 1 ∶ 1 adducts was observed in CDCl3 at −40 °C. The primary complexation of boron trihalides with sulfinimines occurred at the nitrogen atom. Shielding effects observed in 15N NMR spectra suggest a medium strength interaction of the boron trihalides with the nitrogen atom. The complexation to the nitrogen atom was also manifested in chemical shifts and splittings of imino group resonances in 1H and 13C NMR.

Graphical abstract: Interaction of sulfinimines with boron Lewis acids

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Article information

DOI
https://doi.org/10.1039/B100465O
Article type
Paper
Submitted
11 Jan 2001
Accepted
18 May 2001
First published
03 Jul 2001

J. Chem. Soc., Perkin Trans. 2, 2001, 1400-1403

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Interaction of sulfinimines with boron Lewis acids

R. Kawęcki, E. Bednarek and J. Sitkowski, J. Chem. Soc., Perkin Trans. 2, 2001, 1400 DOI: 10.1039/B100465O

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