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The Journal of Organic Chemistry 1975 Volume 40 No.2 VOLUME 40 JANUARY 2 4, 1975 NUMBER 2 J O C E A H THE JO URN OFOrganic Chemistry PUBLISHED BIWEEKLY BY THE AMERICAN CHEMICAL SOCIETY t h e journal of Organic Chemistry EDITOR-IN-CHIEF: FREDERICK D. GREENE Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139 SENIOR EDITORS Werner Herz James A. Moore Martin A. Schwartz Florida State University University of Delaware Florida State University Tallahassee, Florida Newark, Delaware Tallahassee, Florida ASSISTANT EDITOR: Theodora W. Greene ADVISORY BOARD Robert A. Benkeser Robert J. Highet James C. Martin Henry Rapoport John I. Brauman Ralph Hirschmann Albert I. Meyers Robert V. Stevens Clifford A. Bunton William M. Jones John G. Moffat Edward C. Taylor Orville L. Chapman Jay K. Kochi Roy A. Olofson Barry M. Trost Stanton Ehrenson Walter Lwowski Leo A. Paquette Nicholas J. Turro David A. Evans James A. Marshall Marvin L. Poutsma EX-OFFICIO MEMBERS: George H. Coleman, Sanibeiisland, Florida Edward M. Burgess, Georgia Institute of Technology [Secretary-Treasurer of the Division of Organic Chemistry of the American Chemical Society) Published bv the Editorial Processing Department, Amer­ On changes of address, include both old AMERICAN CHEMICAL SOCIETY ican Chemical Society, 20th and North­ and new addresses with ZIP code num­ 1155 16th Street, N. W. ampton Sts., Easton, Pa. 18042: Depart­ bers, accompanied by mailing label from a Washington, D.C. 20036 ment Head, Charles R. Bertsch; Assistant recent issue. Allow four weeks for change Department Head, Marianne C. Brogan:1 to become effective. BOOKS AND JOURNALS DIVISION Production Editor, Eileen B. Segal; Assis­ Claims for missing numbers will not be tant Editor, Fern S. Jackson; Editorial allowed (1) if loss was due to failure of no­ John K Crum Director Assistant, Andrew J. 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Michael Bowen Head, Journals Supplementary material (on microfiche Send all new and renewal subscriptions Department only) available on subscription basis, 1975 with payment to Office of the Controller, 1155 16th Street, N.W., Washington, D.C. rates: $15.00 in U.S., $19.00 in Canada and Bacil Guiley Head, Graphics and PUAS, $20.00 elsewhere. All microfiche 20036. Subscriptions should be renewed Production Department airmailed to non-U.S. addresses; air freight promptly to avoid a break in your series. All correspondence and telephone calls re­ rates for hard-copy subscriptions available Seldon W. 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Telephone (202) 872- write Special Issues Sales Department at additional mailing offices. 4444. the address above. Notice to Authors last printed in the issue of January 10, 1975 Whenever you’ve needed the quality and performance of analyzed reagents, yourfirst choice has been J.T. Baker. Naturally. Because the cost of laboratory time has risen dramatically. And, more than ever before, the need to be right the first time has become critical.The same value you’ve come to expect from Baker reagents applies to Baker organics. A true “workhorse” line of organic intermediates, reagents for organic synthesis, solvents, reagents for organic analysis, biochemicals. Here’s a partial product listing. And because they’re Baker products, you know they carry the kind of quality for which we’ve been famous for well over 70 years. KEY PRODUCTS FOR ORGANIC CHEMISTS INTERMEDIATES FOR ORGANIC SYNTHESIS REAGENTS FOR ORGANIC SYNTHESIS Acrylam ide Benzoyl Peroxide Benzylamine Chlorosulfonic Acid p-Bromophenol Cyanogen Bromide a-Bromotoluene Lithium Aluminum Hydride 2-Butoxyethanol Phosphorus Tri bromide Butylamine Sodium Azide p-Dichlorobenzene Sodium Borohydride Dicyclopentadiene Sodium Methoxide Dimethylamine (Methanol, Sodium Derivative) Ethanolamine Thionyl Chloride 1,6-Hexanediamine Trifluoroacetic Anhydride Maleic Acid Mercaptoacetic Acid SOLVENTS FOR ORGANIC SYNTHESIS 2-Mercaptoethanol 2-Methylcyclohexanol A ceton e 4-Methyl-2-pen tan one Butyl A lcohol 1-Naphthaleneacetic Acid (1-butanol) 2,4-Pentanedione C hloroform Phenylacetic Acid Cyclohexane Phenethylamine Decahydronaphthalene Propionic Acid 1,2-Dimethoxyethane Dimethylformamide Ether 2-Ethoxyethanol REAGENTS FOR ORGANIC ANALYSIS Ethyl A cetate Heptane A ceton e-d * H exanes Acetyl Chloride Methanol B enzene-d* 2-Methoxyethanol Benzoyl Chloride 2-Methylbutane 2-Bromoacetophenone Methyl Ethyl Ketone (phenacyl bromide) 4-Methyl-2-pentanone N-Bromosuccinimide Nitromethane 2-Chloroacetophenone Pentane (phenacyl chloride) Piperidine 2.4- Din it ropheny I hydrazine Pyridine 3.5- Dinitrobenzoyl Chloride Tetrahydrofuran “sym-Diphenylcarbazone” Toluene 1.5- Diphenylcarbohydrazide 1,1,1-Trichloroethane Ferric Chloride, Anhydrous Xylenes Hexane, 'Baker Instra-Analyzed' Hydroxylamine Hydrochloride BIOCHEMICALS Hydroxylamine Sulfate Methanol, 'Baker Instra-Analyzed’ N-Acetyl-L-(+)-Cysteine 1- Naphthyl Isocyanate L-Ascorbic Acid Ninhydrin Caffeine (p-Nitrophenyl) hydrazine C inchon in e p-Nitrophenyl Isocyanate D-(-)-Fructose Periodic Acid D-(+)-Galactose Phenylhydrazine L-(+)-Glutamic Acid NAS/NRC Phenyl Isocyanate Glycine NAS/NRC 4-Phenylsemicarbazide Hematoxylin 2- Propanol, Baker Instra-Analyzed' Im idazole Semicarbazide Hydrochloride lndole-3-butyric Acid Trifluoroacetic Acid D-Pantothenic Acid, Calcium Salt 4,4,4-Trifluoro-1-(2-thienyl)-1,3-butanedione X ylose Shown below are 13 J.T. Baker organic intermediate grids. Look them over and see how they fit into your work. And send for the total grid package so you can evaluate and compare. to know the quality and value of Baker organics by calling your Baker distributor J.T Baker list on next page) for fast delivery. Or, contact J. T. Baker direct. ,r more information and the complete packet of organic intermediate grids, simply plete and return the handy postage-paid card. We’ll do the rest. Distributors of J. T. Baker Chemical Co. laboratory chemicals and products. ALABAMA ILLINOIS Sargent-Welch Scientific Co. NORTH CAROLINA UTAH Sargent-Welch Scientific Co. CMS Detroit Carolina Biological Supply Co. VWR Scientific Birmingham Elk Grove Village Burlington Salt Lake City Sargent-Welch Scientific Co. MINNEAPOLIS ARIZONA Skokie CMS OHIO VIRGINIA VWR Scientific Minneapolis General Medical Phoenix A. Daigger & Co. CMS Chicago Physicians & Hosp. Supply Co. Cincinnati Richmond CALIFORNIA LaPine Scientific Co. Minneapolis CMS WEST VIRGINIA Sargent-Welch Scientific Co. Chicago Cleveland Preiser Scientific Anaheim SGA Scientific Inc. MISSOURI VWR Scientific Charleston VWR Scientific Elk Grove Village CMS Columbus Los Angeles Wilkens-Anderson Co. Maryland Heights Sargent-Welch Scientific WASHINGTON VWR Scientific Chicago CMS Cincinnati VWR Scientific San Diego Kansas City Sargent-Welch Scientific Seattle INDIANA Cleveland VWR Scientific WISCONSIN San Francisco General Medical of Indiana Indianapolis NEW JERSEY Drake Chemical Inc. VWR Scientific Ace Scientific Supply Co. Inc. OKLAHOMA Monomonee Falls W. Sacramento LOUISIANA Linden CMS CMS CMS Science Essential Operation Tulsa CANADA Brisbane New Orleans Beckman Instruments Inc. Melton Co., Inc. Canadian Lab. Supplies L CMS Mountainside Oklahoma City Edmonton, Alberta Fountain Valley MARYLAND J. & H. Berge, Inc. Canadian Lab. Supplies L CMS S. Plainfield PENNSYLVANIA Halifax, Nova Scotia COLORADO Beltsville CMS Arthur H. Thomas Co. Canadian Lab. Supplies L VWR Scientific VWR Scientific Thorofare Philadelphia Montreal, Quebec Denver Baltimore CMS Dolbey Scientific Canadian Lab. Supplies t Sargent-Welch Scientific Co. Wayne Philadelphia Toronto Denver MASSACHUSETTS Doe & Ingalls Inc. Macalaster Bicknell of NJ Inc. Para Scientific Co. Canadian Lab. Supplies L Millville Fairless Hills Vancouver, British Colurr CONNECTICUT Medford Brand-Nu Labs. Inc. CMS Sargent-Welch Scientific Co. Reading Scientific
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