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Autor:
Cheryl Myers Hayward, Brian T. O’Neil, Yanqiao Xiang, John VanAlsten, Daniel W. Widlicka, John C. Murray, Pfisterer David Michael, Steven J. Boucher, Joseph Michael Young, Lacey Samp, Bryan Li, John C. Lucas
Publikováno v:
Organic Process Research & Development. 16:2031-2035
N-Aryl pyrazoles were prepared from anilines in a three step telescoped approach. An aniline was diazotized to give the diazonium fluoroborate, followed by reduction with tin(II) chloride to give the corresponding hydrazine, which in turn reacted wit