Goerls, Helmar: search on Z-Library

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1

ChemInform Abstract: Xiamycin (I), a Pentacyclic Indolosesquiterpene with Selective anti-HIV Activity from a Bacterial Mangrove Endophyte.

Ling Ding, Jan Muench, Helmar Goerls, Armin Maier, Heinz-Herbert Fiebig, Wen-Han Lin, Christian Hertweck

Journal:

Year:

2011

File:

PDF, 20 KB

2011

2

A Simple One-Pot Synthesis of Solvatofluorescent Push-Pull Thiophenes

Gunther Buehrdel, Rainer Beckert, Eckhard Birckner, Ulrich-Walter Grummt, Beatrice Beyer, Stefan Kluge, Jamie Weston, Helmar Goerls

Journal:

European Journal of Organic Chemistry

Year:

2007

Language:

english

File:

PDF, 157 KB

english, 2007

3

Xiamycin, a pentacyclic indolosesquiterpene with selective anti-HIV activity from a bacterial mangrove endophyte

Ling Ding, Jan Münch, Helmar Goerls, Armin Maier, Heinz-Herbert Fiebig, Wen-Han Lin, Christian Hertweck

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

2010

Language:

english

File:

PDF, 402 KB

english, 2010

4

The cycloacylation — 1,3-Acylrearrangement sequence as tool for highly substituted pyrrolones

Gunther Buehrdel, Rainer Beckert, Birgit Friedrich, Helmar Goerls

Journal:

Journal of Heterocyclic Chemistry

Year:

2008

Language:

english

File:

PDF, 470 KB

english, 2008

5

ChemInform Abstract: Divergolides A—D from a Mangrove Endophyte Reveal an Unparalleled Plasticity in ansa-Macrolide Biosynthesis.

Ling Ding, Armin Maier, Heinz-Herbert Fiebig, Helmar Goerls, Wen-Han Lin, Gundela Peschel, Christian Hertweck

Journal:

Year:

2011

File:

PDF, 25 KB

2011

6

Bacaryolanes A–C, Rare Bacterial Caryolanes from a Mangrove Endophyte

Ding, Ling, Goerls, Helmar, Dornblut, Katharina, Lin, Wenhan, Maier, Armin, Fiebig, Heinz-Herbert, Hertweck, Christian

Journal:

Journal of Natural Products

Year:

2015

Language:

english

File:

PDF, 1.02 MB

english, 2015

7

ChemInform Abstract: 1-Acyl-4-benzylpyridinium Tetrafluoroborates: Stability, Structural Properties, and Utilization for the Synthesis of Acyl Fluorides.

Ruediger Wagner, Bernd Wiedel, Wolfgang Guenther, Helmar Goerls, Ernst Anders

Journal:

Year:

1999

Language:

english

File:

PDF, 32 KB

english, 1999

8

ChemInform Abstract: A Surprising Formation of Novel Bridged Bis-benzimidazoles by Oxidation of Diaminoquinoxalines.

Jens Pressler, Rainer Beckert, Sven Rau, Roberto Menzel, Eckhard Birckner, Wolfgang Guenther, Helmar Goerls

Journal:

Year:

2012

File:

PDF, 24 KB

2012

9

Novel trans-.eta.2-Alkyne Complexes of Titanocene with Strong Si-H-Ti Interactions. Synthesis, Spectral Characteristics, and x-ray Crystal Structure

Ohff, Andreas, Kosse, Peer, Baumann, Wolfgang, Tillack, Annegret, Kempe, Rhett, Goerls, Helmar, Burlakov, Vladimir V., Rosenthal, Uwe

Journal:

Journal of the American Chemical Society

Year:

1995

Language:

english

File:

PDF, 293 KB

english, 1995

10

ChemInform Abstract: Regioselective Synthesis of Heterospirocyclic Isobenzofuranones and Medium-Sized Lactones by Multiple Anion Capture Reactions of 1,3-Dianions.

Peter Langer, Manfred Doering, Helmar Goerls

Journal:

Year:

2002

File:

PDF, 37 KB

2002

11

Serinal-derived vinyl oxiranes as novel and versatile building blocks for the stereoselective synthesis of D- and L-erythro-sphingosines

Hertweck, Christian, Boland, Wilhelm, Goerls, Helmar

Journal:

Chemical Communications

Year:

1998

Language:

english

File:

PDF, 49 KB

english, 1998

12

A New Synthesis of Functionalized 2,2′-Biimidazoles

Stippich, Kevin, Kretschmer, Robert, Beckert, Rainer, Goerls, Helmar

Journal:

Year:

2010

Language:

english

File:

PDF, 147 KB

english, 2010

13

ChemInform Abstract: Conformational Design for 13α-Steroids.

Bruno Schoenecker, Corinna Lange, Manuela Koetteritzsch, Wolfgang Guenther, Jennie Weston, Ernst Anders, Helmar Goerls

Journal:

Year:

2000

File:

PDF, 34 KB

2000

14

A New Synthesis of Push-Pull Pyrroles, Their Oxidation to Stable 3H-Pyrroles and an Unexpected Anellation Reaction

Gunther Buehrdel, Rainer Beckert, Petra Herzigova, Eva Petrlikova, Dirk Schuch, Eckhard Birckner, Helmar Goerls

Journal:

European Journal of Organic Chemistry

Year:

2009

Language:

english

File:

PDF, 364 KB

english, 2009

15

A New Synthesis of Bis-Enaminones via Acylation of Ketones

Buehrdel, Gunther, Beckert, Rainer, Petrlikova, Eva, Herzigova, Petra, Klimesova, Vera, Fleischhauer, Jan, Goerls, Helmar

Journal:

Year:

2008

Language:

english

File:

PDF, 252 KB

english, 2008

16

ChemInform Abstract: Heavier Group 2 Grignard Reagents of the Type Aryl-ae(L)n-X (Post-Grignard Reagents)

Westerhausen, Matthias, Langer, Jens, Krieck, Sven, Fischer, Reinald, Goerls, Helmar, Koehler, Mathias

Journal:

Year:

2014

File:

PDF, 12 KB

2014

17

ChemInform Abstract: Bis(1,3,4-thiadiazolo)-1,3,5-triazinium Halides. Part 2. Intramolecular Ring Transformation and Synthesis of Novel Highly Substituted Guanidines.

Kurt Wermann, Martin Walther, Wolfgang Guenther, Helmar Goerls, Ernst Anders

Journal:

Year:

2001

File:

PDF, 36 KB

2001

18

ChemInform Abstract: Bis-amidines as Useful Building Blocks for Heterofulvenes and -fulvalenes.

Dirk Mueller, Rainer Beckert, Helmar Goerls

Journal:

Year:

2001

File:

PDF, 32 KB

2001

19

Regioselective Synthesis of Functionalized Furans by Cyclization of 1,3-Bis-silyl Enol Ethers with 1-Chloro-2,2-dimethoxyethane.

Esen Bellur, Helmar Goerls, Peter Langer

Journal:

Year:

2005

File:

PDF, 45 KB

2005

20

Barton–Kellogg olefination of conjugated dithioxo compounds

Kaepplinger, Christian, Beckert, Rainer, Braunerova, Gabriela, Zahajska, Lenka, Darsen, Anja, Goerls, Helmar

Journal:

Year:

2003

Language:

english

File:

PDF, 114 KB

english, 2003

21

Synthesis of PO(OR)2- and PR3+-Disubstituted Pyridines via N-(Trifluoromethylsulfonyl)pyridinium Triflates

Haase, Mirko, Goerls, Helmar, Anders, Ernst

Journal:

Year:

1998

Language:

english

File:

PDF, 80 KB

english, 1998

22

ChemInform Abstract: Arylcalcium Halides as Substrates in Kumada-Type Cross-Coupling Reactions.

Langer, Jens, Koehler, Mathias, Goerls, Helmar, Westerhausen, Matthias

Journal:

Year:

2014

File:

PDF, 17 KB

2014

23

ChemInform Abstract: One-Pot Synthesis of 3-Aryl-Substituted 1-Hydroxy-2-acylindolizines.

Kloubert, Tobias, Kretschmer, Robert, Goerls, Helmar, Krieck, Sven, Westerhausen, Matthias

Journal:

Year:

2013

File:

PDF, 23 KB

2013

24

ChemInform Abstract: Stereoselective Synthesis of 2-Alkylidene-3-iminoindoles by Reaction of 1,1-Dianions with Oxalic Acid Bis(imidoyl) Chlorides.

Peter Langer, Joerg Wuckelt, Manfred Doering, Helmar Goerls

Journal:

Year:

2000

File:

PDF, 39 KB

2000

25

ChemInform Abstract: Palladium(II) Complexes Bearing 2-(1H-Imidazol/oxazol-2-yl)-pyridines: Synthesis, Structures and Ligand Effects in Suzuki-Miyaura Cross-Coupling.

Eseola, Abiodun Omokehinde, Geibig, Daniel, Goerls, Helmar, Sun, Wen-Hua, Hao, Xiang, Woods, Joseph Anthony Orighomisan, Plass, Winfried

Journal:

Year:

2014

File:

PDF, 19 KB

2014

26

ChemInform Abstract: A New Synthesis of Functionalized 2,2′-Biimidazoles.

Kevin Stippich, Robert Kretschmer, Rainer Beckert, Helmar Goerls

Journal:

Year:

2010

File:

PDF, 20 KB

2010

27

ChemInform Abstract: Synthesis of Isoxazolin-5-one Glucosides by a Cascade Reaction.

Becker, Tobias, Goerls, Helmar, Pauls, Gerhard, Wedekind, Roland, Kai, Marco, von Reuss, Stephan H., Boland, Wilhelm

Journal:

Year:

2014

File:

PDF, 26 KB

2014

28

ChemInform Abstract: Syntheses of a Novel Class of 5/6/5-Heterocycles: Convenient Routes from Aldehydes to Bis(1,3,4-thiadiazolo)-1,3,5-triazinium Halides.

Ernst Anders, Kurt Wermann, Bernd Wiedel, Wolfgang Guenther, Helmar Goerls

Journal:

Year:

1999

File:

PDF, 31 KB

1999

29

ChemInform Abstract: Preparation and Conversion of N-Halomethylpyridinium Halides. Comparison with Related Compounds.

Ernst Anders, Andreas Opitz, Kurt Wermann, Bernd Wiedel, Martin Walther, Wolfgang Imhof, Helmar Goerls

Journal:

Year:

1999

File:

PDF, 35 KB

1999

30

ChemInform Abstract: Ketene-N,N-acetals as Key Intermediates in the Formation of Tetraazapentafulvadienes.

Dirk Mueller, Rainer Beckert, Jennie Weston, Wolfgang Guenther, Helmar Goerls, Manfred Friedrich

Journal:

Year:

2002

File:

PDF, 32 KB

2002

31

ChemInform Abstract: Calciate-Mediated Intermolecular Hydroamination of Diphenylbutadiyne with Secondary Anilines.

Glock, Carsten, Goerls, Helmar, Westerhausen, Matthias

Journal:

Year:

2012

File:

PDF, 29 KB

2012

32

ChemInform Abstract: Regioselective Synthesis of 5-Ylidenepyrrol-2(5H)-ones by Reaction of Transition Metal Coordinated Bis(imidoyl) Chlorides with Carbon Nucleophiles.

Joerg Wuckelt, Manfred Doering, Peter Langer, Rainer Beckert, Helmar Goerls

Journal:

Year:

1999

File:

PDF, 35 KB

1999

33

Formation of a Dinuclear Copper(I) Complex from the Clostridium -Derived Antibiotic Closthioamide

Kloss, Florian, Pidot, Sacha, Goerls, Helmar, Friedrich, Thorsten, Hertweck, Christian

Journal:

Angewandte Chemie International Edition

Year:

2013

Language:

english

File:

PDF, 625 KB

english, 2013

34

Synthesis, Structure and Cytotoxicity of Urukthapelstatin A Polyazole Cyclopeptide Analogs

Oberheide, Ansgar, Schwenk, Sebastian, Ronco, Cyril, Semmrau, Lisa Maria, Goerls, Helmar, Arndt, Hans-Dieter

Journal:

European Journal of Organic Chemistry

Year:

2019

Language:

english

File:

PDF, 2.01 MB

english, 2019

35

ChemInform Abstract: N-Heteroarylphosphonates. Part 2. Synthesis and Reactions of 2- and 4-Phosphonatoquinolines and Related Compounds.

Mirko Haase, Wolfgang Guenther, Helmar Goerls, Ernst Anders

Journal:

Year:

2000

File:

PDF, 35 KB

2000

36

ChemInform Abstract: Nucleophilic Substitution of 4H-Imidazoles — A Key Step in the Synthesis of Fused Imidazoles and New Chromophores.

Jens Atzrodt, Rainer Beckert, Wolfgang Guenther, Helmar Goerls

Journal:

Year:

2001

Language:

english

File:

PDF, 36 KB

english, 2001

37

ChemInform Abstract: Nucleophilic Substitution of 4H-Imidazoles by Thioles: New Starting Materials for Tetraazafulvalenes and Fused Heterocycles.

Jens Atzrodt, Rainer Beckert, Helmar Goerls

Journal:

Year:

2001

File:

PDF, 34 KB

2001

38

A new synthesis of highly functionalized thiophene-1,1-dioxide derivatives

Buehrdel, Gunther, Beckert, Rainer, Raabe, Dietrich, Goerls, Helmar

Journal:

Journal of Sulfur Chemistry

Year:

2006

Language:

english

File:

PDF, 119 KB

english, 2006

39

ChemInform Abstract: New Heterocycles with Cycloamidine Substructure and Their Ringtransformation Reactions with Acetylenedicarboxylic Ester.

Thomas Billert, Rainer Beckert, Manfred Doering, Joerg Wuckelt, Peer Fehling, Helmar Goerls

Journal:

Year:

2001

File:

PDF, 33 KB

2001

40

ChemInform Abstract: Synthesis and Characterization of New 4-Hydroxy-1,3-thiazoles.

Eric Taeuscher, Dieter Weiss, Rainer Beckert, Helmar Goerls

Journal:

Year:

2010

File:

PDF, 33 KB

2010

41

Formation of a Dinuclear Copper(I) Complex from the Clostridium -Derived Antibiotic Closthioamide

Kloss, Florian, Pidot, Sacha, Goerls, Helmar, Friedrich, Thorsten, Hertweck, Christian

Journal:

Angewandte Chemie

Year:

2013

Language:

english

File:

PDF, 600 KB

english, 2013

42

Synthesis of 2-Alkylidenepyrrolidines, Pyrroles and Indoles by Condensation of Silyl Enol Ethers and 1,3-Bis-Silyl Enol Ethers with 1-Azido-2,2-dimethoxyethane and Subsequent Reductive Cyclization.

Esen Bellur, Helmar Goerls, Peter Langer

Journal:

Year:

2005

File:

PDF, 39 KB

2005

43

ChemInform Abstract: Synthesis of Extended Chromophores Derived from 5,5-Dimethyloxyluciferin by Barton-Kellogg Methodology

Wuerfel, Hendryk, Monteiro Leite Ciscato, Luiz F., Weiss, Dieter, Goerls, Helmar, Beckert, Rainer

Journal:

Year:

2014

File:

PDF, 18 KB

2014

44

ChemInform Abstract: Direct Transformation of Silyl Enol Ethers into Functionalized Allenes.

Peter Langer, Manfred Doering, Dietmar Seyferth, Helmar Goerls

Journal:

Year:

2002

File:

PDF, 37 KB

2002

45

Dyotropic Rearrangements of Tetraazafulvalenes — A New Approach to Aminosubstituted 1,4,5,8-Tetraazanaphthalenes.

Frances Stoeckner, Christian Kaepplinger, Rainer Beckert, Helmar Goerls

Journal:

Year:

2005

File:

PDF, 13 KB

2005

46

Synthesis of 2-Alkylidenepyrrolidines, Pyrroles and Indoles by Condensation of Silyl Enol Ethers and 1,3-Bis-Silyl Enol Ethers with 1-Azido-2,2-dimethoxyethane and Subsequent Reductive Cyclization.

Esen Bellur, Helmar Goerls, Peter Langer

Journal:

Year:

2005

File:

PDF, 36 KB

2005

47

ChemInform Abstract: A New Route to Ring-Fused Pyrazines: Imidazo[4,5-b]quinoxalines by a Simple Oxidation—Annulation Sequence.

Svenja Herzog, Gunther Buehrdel, Rainer Beckert, Susann Klimas, Ernst-Ulrich Wuerthwein, Stefan Grimme, Helmar Goerls

Journal:

Year:

2010

File:

PDF, 31 KB

2010

48

Interaction of the zirconocene alkyne complex Cp2Zr(THF)(Me3SiC2SiMe3) and the binuclear zirconium .sigma.-alkenyl complex {Cp[.mu.-(.eta.1:.eta.5-C5H4)]Zr[C(SiMe3):CH(SiMe3)}2 with carbon dioxide and water

Rosenthal, Uwe, Ohff, Andreas, Michalik, Manfred, Goerls, Helmar, Burlakov, Vladimir V., Shur, Vladimir B.

Journal:

Organometallics

Year:

1993

Language:

english

File:

PDF, 413 KB

english, 1993

49

ChemInform Abstract: Regioselective Anionic [3 + 2] Cyclizations of Isoxazole, Pyrazole, and 1,2,4-Triazole Dinucleophiles — Efficient Synthesis of 2,4-Dihydroimidazo[4,5-b]quinoxalines, 3H-Imidazo[1,2-b]pyrazoles, and 5H-Imidazo[2,1-c][1,2,4]triazoles.

Peter Langer, Joerg Wuckelt, Manfred Doering, Peter R. Schreiner, Helmar Goerls

Journal:

Year:

2002

File:

PDF, 34 KB

2002

50

ChemInform Abstract: A New Synthesis of Push-Pull Pyrroles, Their Oxidation to Stable 3H-Pyrroles and an Unexpected Anellation Reaction.

Gunther Buehrdel, Rainer Beckert, Petra Herzigova, Eva Petrlikova, Dirk Schuch, Eckhard Birckner, Helmar Goerls

Journal:

Year:

2009

File:

PDF, 28 KB

2009

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