Hans Freiherr von Pechmann (1 April 1850 – 19 April 1902) was a German chemist, renowned for his discovery of diazomethane in 1894. Pechmann condensation...
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following an aldol condensation. It was discovered by the German chemist Hans von Pechmann . To synthesize coumarin derivatives, β-ketoesters can be condensed...
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chemical compound with the formula CH2N2, discovered by German chemist Hans von Pechmann in 1894. It is the simplest diazo compound. In the pure form at room...
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"Jewelry Stone Make of Milk". GZ Art+Design. Retrieved 2010-05-17. H. von Pechmann (1898) "Ueber Diazomethan und Nitrosoacylamine," Berichte der Deutschen...
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Walcott, American invertebrate paleontologist (d. 1927) April 1 – Hans von Pechmann, German chemist (d. 1902) April 8 – Kawamura Kageaki, Japanese field...
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combustible. Polyethylene was first synthesized by the German chemist Hans von Pechmann, who prepared it by accident in 1898 while investigating diazomethane...
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Duke of Cádiz, former king consort of Spain (b. 1822) April 19 – Hans von Pechmann, German chemist (b. 1850) April 26 – Lazarus Fuchs, German mathematician...
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Pyrazole (redirect from Pechmann pyrazole synthesis)
Knorr in 1883. In a classical method developed by German chemist Hans von Pechmann in 1898, pyrazole was synthesized from acetylene and diazomethane...
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chemists also preceded Schlotterbeck in discovery of the reaction, Hans von Pechmann in 1895 and Viktor Meyer in 1905. The reaction has since been extended...
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Uerdingen 1898: Synthesis of polyethylene, the most common plastic, by Hans von Pechmann 1898: First synthesis of purine by Emil Fischer. He had also coined...
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Pechman (redirect from Pechmann (disambiguation))
Pechmann is a surname of German origin. Notable persons with that name include: Joseph A. Pechman (1918–1989), American economist Hans von Pechmann (1850–1902)...
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Ostwald Wolfgang Ostwald Hermann Pauly Hans von Pechmann Otto Perutz Kurt Peters Norbert Peters Frauke Petry Max Joseph von Pettenkofer Sigrid D. Peyerimhoff...
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1935 in Coniston) was an English chemist. He studied chemistry with Hans von Pechmann at the University of Munich. One of his students was Henry Drysdale...
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theory and the importance of antiseptic procedures in medicine. 1898: Hans von Pechmann synthesizes polyethylene, now the most common plastic in the world...
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beginnings of polyethylene-based pipes occur when German scientist, Hans von Pechmann, discovered a waxy residue at the bottom of a test tube, colleagues...
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Hans Ritter von Lex) - Biographical Information and photographs Rudolf von Kramer, Otto Freiherr von Waldenfels und Dr. Günther Freiherr von Pechmann:...
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Nobel Prize in 1989. Hans von Pechmann: Chemist, renowned for his discovery of diazomethane in 1894. Pechmann condensation and Pechmann pyrazole synthesis...
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theologian Julius Wellhausen. Rudolph Fittig and Hans von Pechmann were two of Limpricht's notable pupils. Karl von Auwers (1909). "Heinrich Limpricht". Chem...
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a doctorate from Munich in 1895 for studies on Tetrazolium under Hans von Pechmann, He received a habilitation from the University of Leipzig in 1899...
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home. He returned to Germany in the autumn of 1899, this time in Hans von Pechmann’s lab at the University of Tübingen. His researches on derivatives...
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Weltkrieg 1914/18, München 1928 Rudolf von Kramer, Otto Freiherr von Waldenfels und Dr. Günther Freiherr von Pechmann: Virtuti Pro Patria: Der königlich bayerische...
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nitrile 6a and a haloalkane 6b. von Braun reaction Julius von Braun Rosenmund–von Braun reaction von Pechmann, Hans (1900). "Ueber die Spaltung des...
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April - Hans von Pechmann, German chemist (died 1902) 9 April - Hermann Zumpe, German conductor and composer (died 1903) 16 April – Paul von Breitenbach...
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Alfred Einhorn. Polyethylene is first synthesized by German chemist Hans von Pechmann. January 30–February 13 – The Belgian Antarctic Expedition led by...
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the citation for Hans Ritter von Adam's award. Rudolf von Kramer, Otto Freiherr von Waldenfels und Dr. Günther Freiherr von Pechmann: Virtuti Pro Patria:...
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Cause" movement to erect statues of Confederate military men (b. 1830) Hans von Pechmann, 52, German chemist (b. 1850) Belgium's general strike was declared...
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1899 Mills went to Tübingen to work for two years under Professor Hans von Pechmann, where he worked on the same bench as Nevil Sidgwick. The two became...
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archaeologist; Corps Palatia Straßburg Robert von Ostertag, veterinarian; Corps Suevia Stuttgart Hans von Pechmann, chemist; Corps Isaria München Elias Peissner...
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Hirschberg Georg Baselt as Von Pechmann, Polizeipräsident von München Arthur Bergen as Madras, Zigeuner Hugo Döblin as Gouverneur von Barcelona Heinrich George...
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Franz Ritter von Epp 11 July 1916, Captain Emmerich Freiherr von Godin 24 June 1916, Captain of the Reserve Günther Freiherr von Pechmann 20 July 1916...
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