The Pechmann condensation is a synthesis of coumarins, starting from a phenol and a carboxylic acid or ester containing a β-carbonyl group. The condensation...
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Pechmann (1 April 1850 – 19 April 1902) was a German chemist, renowned for his discovery of diazomethane in 1894. Pechmann condensation and Pechmann pyrazole...
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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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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. Pyrazoles...
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Matthias Pechmann is a retired German swimmer who won two medals in the individual medley events at the 1970 European Aquatics Championships. Between 1968...
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Alice von Pechmann (1882–1976) was a German interior designer specializing mostly in porcelain. Her work was produced by Meissen Porcelain Factory and...
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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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Cornelia (Connie) Pechmann is an American academic and marketing research scholar. She is a Professor of Marketing at University of California, Irvine...
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"Mandelic Acid". Organic Syntheses; Collected Volumes, vol. 3, p. 538. Pechmann, H. von (1887). "Zur Spaltung der Isonitrosoverbindungen". Berichte der...
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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 temperature...
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