Bull. SOC. Chim. Belg. vol. 103 I no 5-6 1 1994 EUROPEAN SECTION ... 0037-9646 I94 I $2.00 + 0.00 0 1994 Comitd van Beheer van het Bulletin VZW ... Jacqueline Marchand-Brynaert*, Edith Amadei and Ldon Ghosez Laboratoire de Chimie Organique de Synthhse, Universitd Catholique de Louvain, Place Louis Pasteur 1, 8-1348 Louvain-la-Neuve, Belgium ... Dedicated to Professor Jacques Nasielski (ULB) on the occasion of his retirement ... INTRODUCTION Lactivicin ...