Zobrazeno 1 - 10
of 15
pro vyhledávání: '"B. Middelhauve"'
Publikováno v:
Zeitschrift für Naturforschung B. 52:859-872
The cyclotrimerisation of 1-phenyl-2-propyn-1-ol (1) with pyrrolidin-2-one (2) to the tribenzoylcyclohexanes 4 and 5 produced -with modifications of the reaction conditions -the phenylvinylketone adducts 17 and 18 as intermediates and additionally th
Publikováno v:
ChemInform. 22
Autor:
B. Middelhauve, H. Andree
Publikováno v:
Tenside Surfactants Detergents. 28:413-418
Publikováno v:
Zeitschrift für Naturforschung B. 46:1219-1222
Substituted amidoximes when reacted with oxybis(diphenylborane) do not yield ester chelates as main products but boron heterocycles. The compound obtained from p-toluamidoxime was found by crystal structure analysis to be 2-phenyl-4-(4-methylphenyl)-
Autor:
Detlef Wendisch, Christoph Marcinek-Hüpen-Bestendonk, B. Middelhauve, Dietrich Mootz, Michael Wiebcke, Günter Willuhn, Alois Steigel
Publikováno v:
Planta Medica. 56:104-110
The flowers of ARNICA MOLLIS afforded, in addition to baileyin ( 1A), baileyin acetate ( 1B), xanthalongin ( 3), and 2-deacetoxy-11alpha,13-dihydroxanthuminol ( 6), the new 1,5- CIS-guaianolides arnimollin acetate ( 2A) and arnimollin tiglinate ( 2A)
Autor:
C, Marcinek-Hüpen-Bestendonk, G, Willuhn, A, Steigel, D, Wendisch, B, Middelhauve, M, Wiebcke, D, Mootz
Publikováno v:
Planta medica. 56(1)
The flowers of ARNICA MOLLIS afforded, in addition to baileyin ( 1A), baileyin acetate ( 1B), xanthalongin ( 3), and 2-deacetoxy-11alpha,13-dihydroxanthuminol ( 6), the new 1,5- CIS-guaianolides arnimollin acetate ( 2A) and arnimollin tiglinate ( 2A)
Autor:
Dieter Brück, Matthias Kummer, Hans-Dieter Martin, Jürgen Bartsch, Georg Martin, Dietrich Mootz, Dieter Scheutzow, B. Middelhauve, Stephan Röver, Angelika Heinrichs, Bernhard Mayer, Alois Steigel
Publikováno v:
Chemische Berichte. 120:1133-1149
The synthesis of five- and six-membered rings 3a, 4, 5b, 5c, and 17a, containing the structural moiety 3-pentene-1,2,5-trione, is described. The chromophoric properties of these vinylogous tricarbonyls together with related compounds are investigated
Autor:
S. + Roever, A. Steigel, Dieter Scheutzow, Dietrich Mootz, M. Kummer, Hans-Dieter Martin, A. Heinrichs, J. Bartsch, D. + Brueck, B. Middelhauve, G. Martin, Bernhard Mayer
Publikováno v:
ChemInform. 18
Publikováno v:
ChemInform. 18
Akademický článek
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