Chemical Reviews - ACS Publications - American Chemical Society

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Chemical Reviews Published bimonthly by the American Chemical Society at 20th and Northampton Streets, Easton, Pennsylvania

ANTHONY M. TROZZOLO, Editor University of Notre Dame, Notre Dame, Indiana 46556 Editorial Advisory Board John I. Brauman, Stanford University, Stanford, California Joseph F. Bunnett, University of California, Santa Cruz, California Edwin A. Chandross, Bell Laboratories, Murray Hill, New Jersey Gerhard L. Closs, University of Chicago, Chicago, Illinois Lawrence F. Dahl, University of Wisconsin, Madison, Wisconsin

Published by the AMERICAN CHEMICAL SOCIETY BOOKS AND JOURNALS DIVISION D. H. Michael Bowen, Director Marjorie Laflin, Assistant to the Director

Editorial Department: Charles R. Bertsch, Head; Marianne C. Brogan, Associate Head; Eileen B. Segal, Production Editor; Judith A. Bennison, Production Assistant Magazine and Production Department: Bacil Guiley, Head Research and Development Department: Seldon W. Terrant, Head

© Copyright, 1978, by the American Chemical Society. Permission of the American Chemical Society is granted for libraries and other users to make reprographic copies for use beyond that permitted by Sections 107 or 108 of the U.S. Copyright Law, provided that, for all articles bearing an article code, the copying organization pay the stated per-copy fee through the Copyright Clearance Center, Inc. For further information write to Office of the Director, Books and Journals Division, at the ACS Washington address. Published bimonthly in February, April, June, August, October and December by the American Chemical Society at 20th and Northampton Sts., Easton, Pa. 18042. Second class postage paid at Washington, D.C., and at additional mailing offices.

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Raymond A. Firestone, Merck Sharp & Dohme Laboratories, Rahway, New Jersey W. H. Flygare, University of Illinois, Urbana, Illinois Earl L. Muetterties, Cornell University, Ithaca, New York Leo Paquette, The Ohio State University, Columbus, Ohio

Editorial Information CHEMICAL REVIEWS is published by the American Chemical Society to provide authoritative critical reviews and comprehensive summaries of recent research in theoretical chemistry. The publication of reviews in various fields is scheduled about a year in advance. The Editor welcomes suggestions for timely reviews. All prospective authors should read Suggestions to Authors of Articles for Chemical Reviews in Chem. Rev., 78, 3A (1978), and follow the procedure for obtaining preliminary approval before preparing the manuscript. Uninvited manuscripts will be examined by the Editorial Board but are placed at the end of the prearranged schedule. Manuscripts for publication should be submitted to the Editor, Dr. Anthony M. Trozzolo, at his Notre Dame address. Correspondence regarding accepted papers and proofs should be directed to the Editorial Department at the ACS Easton address. Bulk reprints or photocopies of individual articles are available. For information write to Business Operations, Books and Journals Division, at the ACS Washington address. An order form showing costs for reprints is sent to the author along with the galley proofs. The American Chemical Society and its Editors assume no responsibility for the statements and opinions advanced by contributors. Subscription and Business Information 1978 subscription prices, printed or microfiche, including, postage. Microfiche

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