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Journal of The Chemical Society-perkin Transactions 1 | 1999

Palladium-catalyzed coupling of alkynes with chloroformates to form alkynecarboxylic acid esters

Arnd Böttcher; Heike Becker; Melanie Brunner; Thomas Preiss; Jochem Henkelmann; Christel De Bakker; Rolf Gleiter

The preparation of alkynecarboxylic acid esters, which are versatile building blocks for the synthesis of heterocyclic compounds, is described by means of the palladium-catalyzed coupling of alkynes with chloroformates for the first time.


Archive | 1998

Method for hydrogenating benzene polycarboxylic acids or derivatives thereof by using a catalyst containing macropores

Melanie Brunner; Arnd Böttcher; Boris Breitscheidel; Klaus Halbritter; Jochem Henkelmann; Lucien Thil; Rolf Pinkos


Archive | 2005

Method for the Continuous Production of an Amine

Frank Haese; Arnd Böttcher; Bernd Stein; Wolfgang Reif; Johann-Peter Melder; Karl-Heinz Ross; Heinz Rütter; Shelue Liang; Stefan Rittinger


Archive | 1998

Method for oxidizing an organic compound containing at least one C-C double bond

Georg Heinrich Grosch; Ulrich Müller; Andreas Walch; Norbert Rieber; Martin Fischer; Stefan Quaiser; Wolfgang Harder; Karsten Eller; Peter Bassler; Anne Wenzel; Gerd Kaibel; Achim Stammer; Jochem Henkelmann; Arnd Böttcher; Joaquim Henrique Teles; Michael Schulz; Gert Treiber


Archive | 2001

Hydrogenation of benzenepolycarboxylic acids or derivatives thereof using a catalyst containing macropores

Melanie Brunner; Arnd Böttcher; Boris Breitscheidel; Klaus Halbritter; Jochem Henkelmann; Lucien Thil; Rolf Pinkos


Archive | 2002

METHOD FOR HYDROGENATING ORGANIC COMPOUNDS BY MEANS OF RU/SIO2 CATALYSTS

Arnd Böttcher; Dominic Vanoppen; Jan-Dirk Arndt; Jochem Henkelmann; Konrad Knoll


Archive | 2002

Method for the hydrogenation of aromatic compounds with hydrogen containing residual gas

Arnd Böttcher; Ekkehard Schwab; Ralf Kästner; Jochem Henkelmann; Gerd Kaibel; Heinrich Laib


Archive | 1999

Preparation of sugar alcohols

Melanie Brunner; Boris Breitscheidel; Jochem Henkelmann; Arnd Böttcher


Archive | 2002

Core-hydrogenated block copolymers having an asymmetric structure

Konrad Knoll; Arnd Böttcher; Michael Ishaque; Friederike Osswald; Jan-Dirk Arndt


Archive | 2002

Purification of N-vinyl-ε-caprolactam

Arnd Böttcher; Rolf Pinkos; Rudolf Erich Lorenz; Heike Becker

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