Thiophene and Its Derivatives, Part 1, Volume 44

I Preparation of Thiophenes by Ring-Closure Reactions and From Other Ring Systems 1
Salo Gronowitz

II Theoretical Calculations on Thiophenes 215
Anita Henriksson-Entlo

III Naturally Occurring Thiophenes 261
F. Bohlmann and C. Zdero

IV Thiophenes Occurring In Petroleum, Shale Oil, and Coals 325G. D. Galpern

V Pharmacologically Active Compounds and Other Thiophene Derivatives 353
Jeffery B. Press

VI Reduction and Desulfurization of Thiophene Compounds 457
L. I. Belenkii and Ya. L. Goldfarb

VII Thiophene 1,1-Dioxides, Sesquioxides and 1-Oxides 571
Maynard S. Raasch

VIII Reactions at Sulphur 629
A. E. A. Porter

IX Radical Reactions of Thiophene 651
A. E. A. Porter

X Cycloaddition Reactions of Thiophenes, Thiophene-1-Oxides and 1,1-Dioxides  671
P. H. Benders, D. N. Reinhoudt, and W. P. Trompenaars

XI Photochemical Reactions of Thiophenes 745
Alain Lablache-Combier

Author Index 771

Subject Index 819