《THEORETICAL ORGANIC CHEMISTRY》

Kekulé and the chemical bond．＆LINUS PAULING1

The ground state of some π-electron systems＆H．C．LONGUET-HIGGINS9

Aromatic character＆D．P．CRAIG20

Tropylium and related molecules＆WILLIAM VON EGGERS DOERING35

Molecular geometry and steric deformation＆C．A．COULSON49

Stabilization energies and strain energies from heats of hydro-genation＆R．B．TURNER67

Nucleophilic octahedral substitution＆C．K．INGOLD84

Hydrolysis of diaryliodonium salts＆M．C．CASERIO,D．L．GLUSKER and J．D．ROBERTS103

Fragmentation in solvolysis reactions＆C．A．GROB114

Some recent progress in conformational analysis＆D．H．R．BARTON127

Nucleophilic substitution at unsaturated centres＆J．F．BUNNETT144

Recent developments in the elimination mechanism of nucleo-philic aromatic substitution＆R．HUISGEN158

Polare Faktoren in der Zersetzungsreaktion unsymmetrischer Jodoniumsalze＆O．A．REUTOW176

Aromatic rearrangements＆M．J．S．DEWAR179

Nitration＆E．D．HUGHES209

Some recent studies of reactivity and orientation in aromatic halogen substitution＆P．B．D．DE LA MARE219

Quasi-heterolytic reactions in the gas phase＆ALLAN MACCOLL230

Homolytic substitution reactions in the naphthalene series＆D．H．HEY250

The behaviour of radicals in addition and abstraction re-actions＆M．SZWARG and J．H．BINKS262

Index291