Cam. Afonso et al., Stereoselective azide introduction during 1,2-sulfur migration in alpha-hydroxyalkyldithioacetals, TETRAHEDRON, 55(3), 1999, pp. 801-814
A series alpha-hydroxyalkyldithiolanes were reacted with a mixture of triph
enylphosphine, diethyl azodicarboxylate and hydrazoic acid to give 2-azido-
1,4-dithianes stereoselectively. Reduction of the azido group to an amine r
esulted in racemisation. (C) 1998 Elsevier Science Ltd. All rights reserved
.