... BASIC ELIMINATION OF SULFONIUM SALTS. NEIGHBOURING GROUP INFLUENCE ON REGIOSELECTIVITY. B. Badet, M. Julia , JM Mallet and C. Schmitz Ecole Normale Supieure, Laboratoire de Chimie, 24, rue Lhomond, 75231 Paris Cedex 05. FRANCE. ... 4. ED Hughes, CK Ingold, LI Woolf, J. Chem. Soc. (1948), 2084. 5. B. Capon, SP McManus, "Neighbouring Group Participation", Plenum Press, New York 1976 ; Chapter IV. ...