Organometallic Chemistry Volume 11 A Specialist Periodical Report Organometallic Chemistry Volume 11 A Review of the Literature Published during 1981 Senior Reporters E. W. Abel, Department of Chemistry, University of Exeter F. G. A. Stone, Department of Inorganic Chemistry, University of Bristol Reporters D. A. Armitage, Queen Elizabeth College, University of London D. J. Cardin, Trinity College, Dublin J. A. Connor, University of Kent D. A. Edwards, University of Bath P. G. Harrison, University of Nottingham B. T. Heaton, University of Kent J. A. S. Howell, University of Keele J. B. Leach, Oxford Polytechnic J. H. Morris, University of Strathclyde R. J. Norton, Trinity College, Dublin 1. W. Nowell, Sheffield Polytechnic B. Ridge, University of Exeter A. K. Smith, University of Liverpool J. L. Wardell, University of Aberdeen W. E. Watts, New University of Ulster, Northern Ireland C. White, University of Sheffield The Royal Society of Chemistry Burlington House, London WlV OBN ISBN 0-851 86-591-7 ISSN 030 1-0074 Copyright @ 1983 The Royal Society of Chemistry All rights reserved No part of this book may be reproduced or transmitted in any form or by any means - graphic, electronic, including photocopying, recording, taping or inf ormation storage and retrieval systems - without written permission from The Royal Society of Chemistry Printed in Great Britain at the Alden Press, Oxford, London and Northampton Foreword Volume 11 of the Specialist Periodical Reports ‘Organometallic Chemistry’, surveys the literature for the calendar year 1981, with the exception of the chapter ‘Organometallic Compounds in Biological Chemistry’, which covers both 1980 and 1981. This volume sees no required ,change of format, but authors remain under pressure to condense the continued growth of the literature of organometallic chemistry. E. W. Abel F. G. A. Stone V Contents Chapter 1 Group I: The Alkali and Coinage Metals 1 By J. L. Wardell 1 Alkali Metals 1 Hydrogen Radical Anions and Dianions 1 Theoretical Studies 2 Aryl and Alkyl Alkali-metal Compounds 2 Preparations 2 Structures 3 Other Studies 5 Benzylic and Related Compounds 5 Vinylic Derivatives 6 Other Unsaturated Compounds 7 2 Copper, Silver, and Gold 9 Copper 9 Silver and Gold 10 3 Bibliography 12 Chapter 2 Group I I : The Alkaline Earths and Zinc and its Congeners 15 By J. L. Wardell 1 Beryllium 15 Calculations 15 Structures 15 2 Magnesium 16 Formation 16 Structure and Properties 17 Reactions 18 3 Calcium, Strontium, and Barium 20 4 Zinc and Cadmium 20 5 Mercury 22 Mercuriation and Other Preparations 22 Oxymercuriation and Related Reactions 22 Properties 24 Complexes 25 Viii Contents De-mercuriations 26 6 Bibliography 27 Chapter 3 Group I I: Boron 29 By J. H. Morris 1 Introduction 29 2 Reviews 29 3 Hydroboration 30 4 Boranederived Reducing Agents 31 5 Neutral Boron Compounds containing One Organic Substituent 32 No n-cy clic Compounds 32 Cyclic Compounds 35 6 Neutral Boron Compounds containing Two Organic Substituents 39 Noncyclic Compounds 39 Cyclic Derivatives 41 7 9-BBN Derivatives 43 8 Triorganoboranes 43 9 Anionic Organoborane Derivatives 46 Reductions with the Tetrahydroborate(-1) Ion 46 Cyanotrihydroborate(-1) Ion and its Derivatives 47 Mono-, Di-, and Tri-organoborate Derivatives 48 Tetra-organoborates 49 10 Hetrocyclic Boron Compounds 52 Saturated Rings 52 Unsaturated Rings 54 Saturated and Unsaturated Heterocycles containing other Heteroatoms 55 Ring Systems without B-C Bonds 57 11 Organic Compounds of Higher Boranes 59 Chapter 4 The Carbaboranes, including their Metal Corn p lexes 61 By J. 8. Leach 1 Introduction and Reviews 61