Charles R. Hauser

Charles Roy Hauser (March 8, 1900 – January 6, 1970) was an American chemist. Hauser was a member of the National Academy of Sciences[1][2] and a professor of chemistry at Duke University.[3]

Charles R. Hauser
Born(1900-03-08)March 8, 1900
DiedJanuary 6, 1970(1970-01-06) (aged 69)
NationalityUnited States
Scientific career
FieldsChemistry

Notable work

The Sommelet–Hauser rearrangement is a named reaction based on the work of Hauser[4] and Sommelet[5] involving the rearrangement of certain benzyl quaternary ammonium salts.[6][7] The reagent is sodium amide or another alkali metal amide and the reaction product a N,N-dialkylbenzylamine with a new alkyl group in the aromatic ortho position. For example, benzyltrimethylammonium iodide, [(C6H5CH2)N(CH3)3]I, rearranges in the presence of sodium amide to yield the o-methyl derivative of N,N-dimethylbenzylamine.[4]

Awards

His contributions were recognized by the following awards:[1]

  • 1957 the Florida Section Award
  • 1962 the Herty Medal
  • 1967 the Medal for Synthetic Organic Chemistry from the Synthetic Organic Chemical Manufacturers' Association
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References
  1. Bradsher, Charles K. Charles Roy Hauser. Biographical Memoirs, National Academy of Sciences. National Academies Press. Retrieved January 3, 2012.
  2. Science Academy Re-elects Bronk New York Times. April 30, 1958. Retrieved January 3, 2012.
  3. Inventory of the Charles Roy Hauser Papers University Archives, Duke University. Retrieved January 3, 2012.
  4. Kantor, S. W.; Hauser, C. R. (1951). "Rearrangements of Benzyltrimethylammonium Ion and Related Quaternary Ammonium Ions by Sodium Amide Involving Migration into the Ring". J. Am. Chem. Soc. 73 (9): 4122–4131. doi:10.1021/ja01153a022.
  5. M. Sommelet, Compt. Rend. 205, 56 (1937).
  6. March, Jerry (1985), Advanced Organic Chemistry: Reactions, Mechanisms, and Structure (3rd ed.), New York: Wiley, ISBN 0-471-85472-7
  7. Organic Syntheses, Coll. Vol. 4, p.585 (1963); Vol. 34, p.61 (1954) Link.
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