Griess, Johann Peter

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Born Sept. 6, 1829, in Kirchhos-bach, Germany; died Aug. 30, 1888, in Bournemouth, England. German organic chemist.

Beginning in 1861, Griess was the chief chemist of a brewery in Burton Upon Trent (England). In 1857 he was the first to obtain diazo compounds. In 1858 he discovered the reaction of diazotization, obtained azo dyes for the first time, and studied a number of compounds that were of great scientific and industrial importance (aniline yellow dye in 1866, phenylenediamine in l867, oxyazobenzol in 1876, and others). In 1872 he studied the reaction of the alkylation of aromatic amino acids.

REFERENCE

Berichte der Deutschen chemischen Gesellschaft, 1891, vol. 24, part 3. (The articles by A. W. Hoffmann, E. Fischer, and H. Care.)

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