m prakt en
111Elbs persulfate oxidation — The Elbs persulfate oxidation is the organic reaction of phenols with alkaline potassium persulfate to form para diphenols. [Elbs, K. J. Prakt. Chem. 1893, 48 , 179.] Several review have been published. [cite journal | author = S. M. Sethna |… …
112Schweizer's reagent — is the common name for the complex tetra aminecopper dihydroxide, [Cu(NH3)4] [OH] 2. It is prepared by precipitating copper(II) hydroxide from an aqueous solution of copper sulfate using sodium hydroxide, then dissolving the precipitate in a… …
113Zinke nitration — The Zinke nitration is an organic reaction in which a bromine substituent of a phenol or cresol is replaced by a nitro group by treatment with nitrous acid or sodium nitrite. [Zincke, Th., J . prakt. Chem., [2] 61, 563 (1900).] The reaction is a… …
114Hexamethylenediamine — Hexamethylenediamine[1][2] …
115Nicolae Teclu — (Romanian pronunciation: [nikoˈla.e ˈteklu]); (11 October 1839, Brassó, Austrian Empire (today Brașov, Romania) – 13 July 1916, Vienna, Austria Hungary) was a Romanian chemist, who gave his name to the worldwide used Teclu burner . He… …
116Meerwein arylation — The Meerwein arylation is an organic reaction involving the addition of an aryl diazonium salt (ArN2X) to an electron poor alkene usually supported by a metal salt.[1] The reaction product is an alkylated arene compound. The reaction is named… …
117Arthur Michael — (August 7 1853 – February 8 1942) was an American organic chemist who is best known for the Michael reaction. Life Arthur Michael was born in Buffalo, New York in 1853 to John and Clara Michael. He was educated in that same city, learning… …
118Johann Michael Feder — (b. 25 May1753, at Oellingen in Bavaria; d. 26 July1824, at Würzburg) was a German Roman Catholic theologian.LifeHe studied in the episcopal seminary of Würzburg from 1772 1777; in the latter year he was ordained priest and promoted to the… …
119Parochial mission (Catholicism) — A parish mission or parochial mission is, in the terminology of the Roman Catholic Church, a term applied to certain special pastoral efforts among Catholics. These are home missions , distinguished from the apostolic missions sent to make… …
120Бензол — или бензин (старинное, ныне оставленное название) углеводород состава С6Н6, представитель ароматических, или бензольных, соединений (см. это сл.). Вещество это представляет бесцветную, прозрачную, сильно преломляющую свет и легкоподвижную… …
