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Dive into the research topics where Alan Graff is active.

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Featured researches published by Alan Graff.


Tetrahedron | 2001

2-(Chlorocarbonyl)-2-mesitylketene, a new building block for the synthesis of 4-hydroxy-3-mesityl tetronic acids

Folker Lieb; J Benet-Buchholz; T Fäcke; Reiner Fischer; Alan Graff; I.M Lefebvre; Jorg Stetter

Investigation of the reaction of (chlorocarbonyl)mesitylketene with ketones led to the discovery of a new synthetic pathway which yields 4-hydroxy-3-mesityl tetronic acids. Depending on the reaction conditions and the substitution pattern of the starting ketone, the expected products, i.e. 4-hydroxy-3-mesitylpyrones, can nevertheless be obtained.


Archive | 1997

2-and 2, 5-substituted phenylketoenols

Folker Lieb; Reiner Fischer; Thomas Bretschneider; Michael Ruther; Alan Graff; Udo Schneider; Christoph Erdelen; Ulrike Wachendorff-Neumann; Wolfram Andersch; Andreas Turberg


Archive | 1999

Arylphenyl-substituted cyclic keto-enols

Folker Lieb; Reiner Fischer; Alan Graff; Udo Schneider; Thomas Bretschneider; Christoph Erdelen; Wolfram Andersch; Mark-Wilhelm Drewes; Markus Dollinger; Ingo Wetcholowsky; Randy Allen Myers


Archive | 1996

Alkyl dihalogenated phenyl-substituted ketoenols useful as pesticides and herbicides

Folker Lieb; Hermann Hagemann; Arno Widdig; Michael Ruther; Reiner Fischer; Thomas Bretschneider; Christoph Erdelen; Ulrike Wachendorff-Neumann; Peter Dahmen; Markus Dollinger; Hans-Joachim Santel; Alan Graff; Wolfram Andersch; Norbert Mencke; Andreas Turberg


Archive | 1997

Substituted phenyl keto enols as pesticides and herbicides

Volker Lieb; Hermann Hagemann; Arno Widdig; Michael Ruther; Reiner Fischer; Thomas Bretschneider; Christoph Erdelen; Ulrike Wachendorff-Neumann; Alan Graff; Udo Schneider


Archive | 1996

2,4,5,-trisubstituted phenylketo-enols for use as pesticides and herbicides

Folker Lieb; Hermann Hagemann; Arno Widdig; Michael Ruther; Reiner Fischer; Thomas Bretschneider; Christoph Erdelen; Ulrike Wachendorff-Neumann; Hans-Joachim Santel; Markus Dollinger; Alan Graff; Norbert Mencke; Andreas Turberg; Peter Dahmen


Archive | 1996

Dialkyl phenyl halide-substituted keto-enols for use as herbicides and pesticides

Reiner Fischer; Thomas Bretschneider; Hermann Hagemann; Folker Lieb; Michael Ruther; Arno Widdig; Peter Dahmen; Markus Dollinger; Christoph Erdelen; Hans-Joachim Santel; Ulrike Wachendorff-Neumann; Alan Graff; Wolfram Andersch


Archive | 2001

C2 phenyl-substituted cyclic keto-enols used as pesticides and herbicides

Michael Ruther; Hermann Hagemann; Udo Schneider; Markus Dollinger; Peter Dahmen; Ulrike Wachendorff-Neumann; Reiner Fischer; Alan Graff; Thomas Bretschneider; Christoph Erdelen; Mark Wilhelm Drewes; Dieter Feucht; Folker Lieb


Archive | 1997

Substituted phenylketoenols and their use as pesticides and herbicides

Hermann Hagemann; Reiner Fischer; Thomas Bretschneider; Christoph Erdelen; Ulrike Wachendorff-Neumann; Peter Dahmen; Markus Dollinger; Alan Graff; Wolfram Andersch


Archive | 2000

Trifluoromethyl-substituted spirocyclic ketoenols and use thereof as pesticides and herbicides

Reiner Fischer; Alan Graff; Thomas Bretschneider; Christoph Erdelen; Mark Wilhelm Drewes; Dieter Feucht

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