Correspondence 1974

1974 June 20 from John W. Larsen (University of Tennessee) to Herbert C. Brown (Purdue University) re: 3page letter discussing the stability of 2-norbornyl cation 1974 July 1 from John W. Larsen to Brown re: 2-norbornyl cation and iso-propyl 1974 July 4 from Prof. H. Hogeveen (University of Groningen) to John Larsen re: Brown’s successful international contacts and enclosed reprint “Reactivity Of Carbonium Ions Towards Carbon Monoxide” 1974 July 5 from John Larsen to Dr. E. M. Arnett (University of Pittsburgh) re: 3 page letter about series of phone conversations with Dr. Brown 1974 July 8 from Brown to Larsen re: 3 page letter data for 2-norornyl and 2- Propyl and a letter to Dr. D. P. Kelly 1974 July 8 from Brown to Dr. H. Hogeveen re: 5 page letter discussing the data from long-lived norbornyl ion, symposium in Le Grande Motte, Dr. Brouwer, 6-week trip to South Africa 1974 July 8 from Brown to Prof. T.S. Sorensen (University of Calgary) re: 3 page letter re: methyl-norbornyl cations under stable ion conditions 1974 July 12 from Brown to George Kramer, Martin Saunders, George E. Graam with cc: to Larsen re: Ted Sorensen correspondence 1974 July 16 from F. K. Fong (Purdue University) to Prof. Martin Saunders (Yale University) re: 4 page letter final draft of paper “Relaxation Behavior of Equilibrating Molecular Configurations…” 1974 July 17 Brown to Dr. D. M. Brouwer (Koninklijke/Shell-Laboratorium) 6- page letter re: past symposium at Le Grande Motte and attention to solvolysis to the stable cations in superacids 1974 July 23 from Prof. Edward M. Arnett (Univ. of Pittsburgh) to Brown re: phone conversations about heats of carbonium ion formation in “magic acid” 1974 July 23 from F. K. Fong (Purdue University) to John Larsen (Univ. of Tennessee) re: enclosure of final version of “Relaxaion Behavior of Equilibrating Molecular Configurations…” 1974 July 31 from John Larsen to Dr. E.M. Arnett re: a Postdoc interested in the topic of norbornyl, explanation of the Baker Nathan order 1974 August 20 from George A. Olah (Case Western Reserve University) to Brown re: 4-page letter discussing that Brown does not understand the “fact that in all carbocations (with exception of CH₃⁺) there is a continuum of degree of charge delocalization …” Bicyclic Olefins,” “Electrophilic Additions of Trifluoroacetic Acid 1974 September 4 from Brown to Arnett re: return from 6-weeks in South Africa re: delighted that Dr. Bittner, Larsen and Arnett cooperating 1974 September 6 from Clair J. Collins (Oak Ridge National Laboratory) to Brown re: correspondence from John Larsen, M. Saunders, George Kramer and the “Double Wagner-Meerwein” rearrangements 1974 September 11 from Brown to Dr. T.W. Bentley (University College of Swansea) re: a proposed manuscript of estimation of the rates in tri- fluoroacetic acid (3-page letter) 1974 September 13 from Brown to Paul von R. Schleyer (University of Munich) re: 12-page letter concerning series on “Non-classical Ions – Reality or Fantasy” 1974 September 16 from Frank K. Fong (Purdue) to Prof. George A. Olah (Case Western Reserve Univ.) re: 12-page letter in response to August 20 letter to Brown 1974 September 25 from Charles F. Wilcox (Cornell University) to Brown Re: 5-page letter discussing “non-classical” and will not continue in Research in carbonium ion field as NSF decided not to fund. 1974 September 27 from Brown to Martin Saunders re: Dave Kelly from Melbourne at Purdue for a sabbatical 1974 September 30 from Martin Saunders to Brown re: Brown’s consuming interest in the poor norbornyl cation (3 pages) 1974 October 7 from Brown to Charles Wilcox re: 9-pages clarifying letter of September 7 1974 October 9 from Brown to Wilcox re: calculations for 5-methyl-2- Norbornenyl 1974 October 9 from Frank H. Field (Rockefeller University) to Brown re: gaseous norbornyl 1974 October 14 from Brown to T.W. Bentley re: 5 page letter answering letters from Sept. 19 and Oct. 2 together about norbornyl 1974 October 14 from Brown to Clair J. Collins re: carbonium ions 1974 October 14 from Brown to Norbornyl Correspondents re: hope that the Colleague exchanges will resolve some issues 1974 October 29 from Larsen to Martin Stiles (University of Michigan) Cover letter for manuscript “Calorimetric Study of the Stabilities of Some…” by Larsen and Ashkenazi 1974 October 31 from Brown to Martin Stiles re: manuscripts “Additions to And Deuteriotrifluoroacetic Acid to Norbornene and Related Bicyclic Olefins,” “Evidence for the Capture of the Unsymmetrical (Classical) 2-Norbornyl Cation” 1974 November 1 from Brown to Martin Saunders re: 4-page letter reply to letter of September 30 nonclassical structure for the ethyl carbonium ion as discussed by Jack Roberts 1974 November 1 from Brown to Samuel P. McManus (University of South Carolina) reply to attached McManus letter of October 24 re: Norbornyl 1974 November 7 from D.M. Brouwer to Brown re: 7-page letter on norbornyl cations 1974 November 22 from Larsen to Martin Stiles re: manuscript “Benzoyl Cations” 1974 November 25 from Brown to Norbornyl Correspondents re: norbornyl problem entering its third phase 1974 December 3 from Brown to Professor Paul E. Peterson (University of South Carolina) re: attached letter dated November 26 “not to get Involved in the norbornyl cation problem” 1974 December 9 from Brown to George Olah re: corresponding with John Grutzner and Dave Kelly 1974 December 11 from Brown to Norbornyl Correspondents re: two attached figures explaining exo:endo rate ratio and norbornyl 1974 December 11 from Brown to Professor Paul von R. Schleyer re: Solvolysis of exo-norbornyl with two attachments 1974 December 11 from Brown to Dr. D.M. Brouwer re: reply to letter of November 7 with attachments