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Charles Roy Hauser (March 8, 1900 – January 6, 1970) was an American chemist. Hauser was a member of the
Charles Roy Hauser.
Biographical Memoirs, National Academy of Sciences. National Academies Press. Retrieved January 3, 2012. and a professor of chemistry at
Link
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
National Academy of Sciences
The National Academy of Sciences (NAS) is a United States nonprofit, non-governmental organization. NAS is part of the National Academies of Sciences, Engineering, and Medicine, along with the National Academy of Engineering (NAE) and the Nati ...
Bradsher, Charles KCharles Roy Hauser.
Biographical Memoirs, National Academy of Sciences. National Academies Press. Retrieved January 3, 2012. and a professor of chemistry at
Duke University
Duke University is a private research university in Durham, North Carolina. Founded by Methodists and Quakers in the present-day city of Trinity in 1838, the school moved to Durham in 1892. In 1924, tobacco and electric power industrialist James ...
.
Notable work
TheSommelet–Hauser rearrangement The Sommelet–Hauser rearrangement (named after M. Sommelet and Charles R. Hauser''Rearrangements of Benzyltrimethylammonium Ion and Related Quaternary Ammonium Ions by Sodium Amide Involving Migration into the Ring'' Simon W. Kantor, Charles R. H ...
is a named reaction based on the work of Hauser and Sommelet involving the rearrangement of certain benzyl quaternary ammonium salts. Organic Syntheses, Coll. Vol. 4, p.585 (1963); Vol. 34, p.61 (1954Link
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
Arene substitution patterns are part of organic chemistry IUPAC nomenclature and pinpoint the position of substituents other than hydrogen in relation to each other on an aromatic hydrocarbon.
''Ortho'', ''meta'', and ''para'' substitution
* I ...
. For example, benzyltrimethylammonium iodide, C6H5CH2)N(CH3)3, rearranges in the presence of sodium amide to yield the ''o''-methyl derivative of ''N'',''N''-dimethylbenzylamine.
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Awards
His contributions were recognized by the following awards: * 1957 the Florida Section Award * 1962 the Herty Medal * 1967 the Medal for Synthetic Organic Chemistry from the Synthetic Organic Chemical Manufacturers' AssociationReferences
{{DEFAULTSORT:Hauser, Charles R. 1900 births 1970 deaths 20th-century American chemists Members of the United States National Academy of Sciences