XⅫ|Contents 9.2.4.2.22-Alkenes335 9.2.4.2.3 Mechanistic Studies 336 9.2.5 Alkylphosphines as Ligands 337 9.2.5.1 osphines 337 Dirhodium Tet ra osphine 338 ation 339 339 anism of the Monsanto Process 340 9.3.3 The Rate-limiting Step 342 9.3.4 Ligand Design 344 9.3.5 Trans-diphosphines in Methanol Carbonylation- Dinuclear Systems?347 9.3.6 Iridium Catalysts 349 9.4 Concluding Remarks 351 References 351 Subiect Index 357 9.2.4.2.2 2-Alkenes 335 9.2.4.2.3 Mechanistic Studies 336 9.2.5 Alkylphosphines as Ligands 337 9.2.5.1 Monophosphines 337 9.2.5.2 Dirhodium Tetraphosphine 338 9.3 Methanol Carbonylation 339 9.3.1 Introduction 339 9.3.2 Mechanism and Side-reactions of the Monsanto Process 340 9.3.3 Oxidative Addition of MeI to Rhodium – The Rate-limiting Step 342 9.3.4 Ligand Design 344 9.3.5 Trans-diphosphines in Methanol Carbonylation – Dinuclear Systems? 347 9.3.6 Iridium Catalysts 349 9.4 Concluding Remarks 351 References 351 Subject Index 357 XII Contents