Jack Halpern (chemist)

Jack Halpern (19 January 1925 – 31 January 2018^[1]) was an inorganic chemist, the Louis Block Distinguished Service Professor of Chemistry at the University of Chicago. Born in Poland, he moved to Canada in 1929 and the United States in 1962.

His research focused on mechanistic organometallic chemistry, especially homogeneous catalysis, beginning with early work on the activation of hydrogen by soluble complexes.^[2] He contributed to elucidation of the mechanism of the hydrogenation of alkenes by Wilkinson's catalyst and the stereodetermining step in certain asymmetric hydrogenation processes. Related areas of interest include the reactivity of metal-carbon bonds, e.g., in cobalamins and pentacyanocobaltate derivatives.^[3]

He was elected a Fellow of the Royal Society in 1974. From the American Chemical Society he won the Willard Gibbs Award (1986), and awards for Inorganic Chemistry, Organometallic Chemistry, and the Distinguished Service in Inorganic Chemistry, the latter in partial recognition of his editorship of the Journal of the American Chemical Society.

References

^ Jack Halpern
^ Chalk, A. J.; Halpern, J. (1959). "Medium Effects in the Homogeneous Catalytic Activation of Molecular Hydrogen by Metal Salts. I. Cupric and Cuprous Heptanoates in Heptanoic Acid1". Journal of the American Chemical Society. 81 (22). American Chemical Society (ACS): 5846–5852. doi:10.1021/ja01531a002. ISSN 0002-7863.
^ Halpern, Jack (1 August 1982). "Determination and significance of transition metal-alkyl bond dissociation energies". Accounts of Chemical Research. 15 (8). American Chemical Society (ACS): 238–244. doi:10.1021/ar00080a002. ISSN 0001-4842.

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[1] Jack Halpern

[2] Chalk, A. J.; Halpern, J. (1959). "Medium Effects in the Homogeneous Catalytic Activation of Molecular Hydrogen by Metal Salts. I. Cupric and Cuprous Heptanoates in Heptanoic Acid1". Journal of the American Chemical Society. 81 (22). American Chemical Society (ACS): 5846–5852. doi:10.1021/ja01531a002. ISSN 0002-7863.

[3] Halpern, Jack (1 August 1982). "Determination and significance of transition metal-alkyl bond dissociation energies". Accounts of Chemical Research. 15 (8). American Chemical Society (ACS): 238–244. doi:10.1021/ar00080a002. ISSN 0001-4842.

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v t e Fellows of the Royal Society elected in 1974
Fellows	Walter Bodmer William Boon Kenneth Burton John Cairns Roy Yorke Calne David Roderick Curtis John Frank Davidson Jack D. Dunitz Pehr Victor Edman John D. Eshelby Jack Halpern Stephen Hawking Volker Heine Robert Hinde Albert Edward Litherland James Lovelock Richard Matthews Drummond Matthews Peter D. Mitchell Samuel Victor Perry Norman James Petch John R. Philip John Polkinghorne Charles Rees John Rishbeth Roger Valentine Short John Trevor Stuart Robert Henry Stewart Thompson John Vane Frederick Vine Stephen Esslemont Woods Pierre Henry John Young
Statute 12	Vivian Fuchs
Foreign	Renato Dulbecco George H. Hitchings Giuseppe Occhialini Jean-Pierre Serre

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