... JavaScript is disabled on your browser. Please enable JavaScript to use all the features on this page. Tetrahedron Letters. Volume 21, Issue 5, 1980, Pages 463–464. Cover image Cover image. ... Jean-Marc Denis. Laboratoire de Chimie Organique Physique (ERA 827), USTL, 59650 Villeneuve d'Ascq, France. Received 13 November 1979, Available online 1 March 2001. Résumé. ... Ripoll; Nouv. J. Chim., 3 (1979), p. 195. 10; PK Freeman, DM Balls, DJ Brown; J. Org ...