Chapter headings and papers: Extrusion of SO 2 from Heterocyclic Compounds, Part 1: Systems other than Five-Membered Rings, R. A. Aitken et al. 2-Isoxazolines, Sh. Shatzmiller. Three-Membered Ring Systems, A. Padwa & S. S. Mur;hree. Four-Membered Ring Systems, J. Parrick & L. K. Meh;a. Five-Membered Ring Systems. Thiophenes & Se & Te a;alogs, J. B. Press & R. K. Rus;ell. Pyrroles and benzo derivatives, R. J. Sundberg. Furans and benzo derivatives, C. W. Bird. With more than one N atom, S. A. Lang, Jr. and V. J. Lee. With N and S ( Se ) atoms, R. Tanaka & I. Shinka;. With O and S ( Se, Te ) atoms, R. A. Aitken. With O and N atoms, G. V. Boyd. Six-Membered Ring Systems. Pyridine and benzo derivatives, J. G. Keay & J. E. Too;ey. Diazines and benzo derivatives, T. J. Kress & D. L. Var;e. Triazines, tetrazines and fused ring polyaza systems, D. T. Hurst. With O and/or S atoms, J. D. Hepworth. Seven-Membered Rings, J. M. Kane & N. P. Pee;. Eight-Membered and Larger Rings, G. R. Newkome. Subject index. Corrigendum.
