This paper is dedicated to Professor Ronald J . Gillespie on the occasion of his 65th birthday MADHUMITA BARDAN, THOMAS BIRCHALL, CHRISTOPHER S. FRAMPTON, and PRATIBHA KAFQOR. Can. J. Chem. 67, 1878 (1989).The lZ71 Mossbauer spectra of a series of mono-and diaryliodine(II1) carboxylates have been recorded at 4.2 K. The observed parameters are shown to be strongly dependent on the primary bonding arrangement about iodine only and the secondary bonding

Die cyclischen Anhydride (I) reagieren mit Phenylessigsäure (II) zu den Benzylidenlactonen (III), die mit Hydrazinhydrat in die Benzphthalazone (IV) übergeführt werden.