Publikationen - Dr. Hans-Joachim Drexler

80. A. Meißner, H.‐J. Drexler, S. Keller, C. Selle, V. Ratovelomanana‐Vidal, D. Heller, Eur. J. Inorg. Chem. 2014, 4836–4842. Synthesis and Characterization of Cationic Synphos‐Rhodium Complexes.
79. C. Fischer, A. König, A. Meißner, R. Thede, C. Selle, C. Pribbenow, D. Heller, Eur. J. Inorg. Chem. 2014, 5849-5855. Quantitative UV/Vis Spectroscopic Investigations of the In Situ Synthesis of Neutral μ2-Chloro-Bridged Dinuclear (Diphosphine)rhodium Complexes.
78. A. Meißner, A. König, H.-J. Drexler, R. Thede, W. Baumann, D. Heller, Chem. Eur. J. 2014, 20, 14721–14728. New Pentacoordinated Rhodium Species as Unexpected Products during the In Situ Generation of Dimeric Diphosphine-Rhodium Neutral Catalysts.
77. A. Meißner, C. Pribbenow, H.-J. Drexler,. D. Heller, Acta Cryst. 2014, C70, 941-944. Two precatalysts for application in asymmetric homogeneous hydrogenation.
76. A. Meißner, E. Alberico, H.-J. Drexler, W. Baumann,. D. Heller, Catal. Sci. Technol. 2014, 4 (10), 3409–3425. Rhodium Diphosphine Complexes: a Case Study for Catalyst Activation and Deactivation.
75. U. Gellrich, A. Meißner, A. Steffani, M. Kähny, H.-J. Drexler, D. Heller, D. A. Plattner, B. Breit, J.  Am. Chem. Soc. 2014, 136, 1097−1104. Mechanistic Investigations of the Rhodium Catalyzed Propargylic CH Activation.
74. E. Alberico, P. Sponholz, C. Cordes,  M. Nielsen, H.-J. Drexler, W. Baumann, H. Junge, M. Beller, Angew. Chem. 2013, 125, 14412–14416. Selective Hydrogen Production from Methanol with a Defined Iron Pincer Catalyst under Mild Conditions ( Angew.Chem. Int. Ed. 2013, 52, 14162–14166).
73. S. Wei, J. Pedroni, A. Meißner, A. Lumbroso, H.-J. Drexler, D. Heller, B. Breit, Chem. Eur. J. 2013, 19, 12067 – 12076.  Development of an Improved Rhodium Catalyst for Z-Selective Anti-Markovnikov Addition of Carboxylic Acids to Terminal Alkynes.
72. C. Kohrt, W. Baumann, A. Spannenberg, H.-J. Drexler, I. Gridnev, D. Heller, Chem. Eur. J. 2013, 19, 7443 – 7451. Formation of Trinuclear Rhodium-Hydride Complexes [{Rh (PP*)H}3(µ2-H)3 (µ3-H)][anion]2 During Asymmetric Hydrogenation?
71.

M. Nielsen, E. Alberico, W. Baumann, H.-J. Drexler, H. Junge, S. Gladiali, M. Beller, Nature 2013, 495, 85-89. Low-temperature aqueous-phase methanol dehydrogenation to hydrogen and carbon dioxide.

70. A. Preetz, C. Kohrt, A. Meißner, S. Wei, H.-J. Drexler, H. Buschmann, D. Heller, Catal. Sci. Technol. 2013, 3, 462-468. Halide bridged trinuclear rhodium complexes and their inhibiting influence on catalysis.
69. C. Kohrt, S. Hansen, H.-J. Drexler, U. Rosenthal, A. Schulz, D. Heller, Inorg. Chem. 2012, 51, 7377−7383. Molecular Vibration Spectroscopy Studies on Novel Trinuclear Rhodium-7-Hydride Complexes of the General Type {[Rh(PP*)X]3(μ2-X)3(μ3-X)}(BF4)2 (X = H, D).
68. C. Fischer, R. Thede, H.-J. Drexler, A. König, W. Baumann, D. Heller, Chem. Eur. J. 2012, 18, 11920–11928. Investigations into the Formation and Stability of Cationic Rhodium Diphosphane h6-Arene Complexes.
67. C. Fischer, C. Selle, H.-J. Drexler, D. Heller, Z. Anorg. Allg. Chem. 2012, 638, 907-908. Cationic η6-Coordinated BINAP Rhodium Complexes with Benzene and Toluene.
66. C. Fischer, A. König, H.-J. Drexler, D. Heller, Z. Anorg. Allg. Chem. 2012, 638, 905-906. Formation of Stable Rhodium η6-Arene Complexes with Aniline Derivatives.
65. A. Meißner, C. Selle, H.-J. Drexler, D. Heller, Acta Cryst. 2012, E68, m259. (+)-Chlorido[(1,2,3,4-η;κP 2’)-2’-diphenylphosphanyl-2-diphenylphosphoryl-1,1’-binaphthyl] rhodium(I) methanol monosolvate.
64. C. Fischer, S. Schulz, H.-J. Drexler, C. Selle, M. Lotz, M. Sawall, K. Neymeyr, D. Heller, ChemCatChem 2012, 4, 81 - 88. The Influence of Substituents in Diphosphine Ligands on the Hydrogenation Activity and Selectivity of the Corresponding Rhodium Complexes as Exemplified by ButiPhane.
63. E. Alberico, W. Baumann, J. G. de Vries, H.-J. Drexler, S. Gladiali, D. Heller, Huub J. W. Henderickx, L. Lefort, Chem. Eur. J. 2011, 17, 12683-12695. Unravelling the reaction path of Rhodium-MonoPhosTM catalyzed olefin hydrogenation.
62. A. Preetz, C. Fischer, C. Kohrt, H.-J. Drexler, W. Baumann, D. Heller Organometallics  201130 (19), 5155-5159 Cationic Rhodium-BINAP Complexes: Full Characterization of Solvate- and Arene-Bridged Dimeric Species.
61. S. Peitz, N. Peulecke, B. H. Müller, A. Spannenberg, H.-J. Drexler, U. Rosenthal, M. H. Al-Hazmi, K. E. Al-Eidan, A. Wöhl, W. Müller, Organometallics 2011, 30, 2364–2370. Heterobimetallic Al_Cl_Cr Intermediates with Relevance to the Selective Catalytic Ethene Trimerization Systems Consisting of CrCl3(THF)3, the Aminophosphorus Ligands Ph2PN(R)P(Ph)N(R)H, and Triethylaluminum.
60. T. Schmidt, W. Baumann, H.-J. Drexler, D. Heller, J. Organomet. Chem. 2011, 696, 1760-1767. Unusual deactivation in the asymmetric hydrogenation of itaconic acid.
59. C. Fischer, C. Kohrt, H.-J. Drexler, W. Baumann and D. Heller, Dalton Trans. 2011, 40, 4162-4166. Trinuclear rhodium hydride complexes.
58. S. Schulz, H.-J. Drexler, D. Heller, Acta Cryst. 2010, E66, m1370. (+)-{1,2-Bis[(2R,5R)-2,5-diethylphospholan-1-yl]ethane-κ2P,P’}(η4-cycloocta-1,5-diene)rhodium(I) tetrafluoridoborate.
57. C. Fischer, T. Beweries, A. Preetz, H.-J. Drexler, W. Baumann, S. Peitz, U. Rosenthal, D. Heller, Catalysis Today 2010, 155, 282-288. Kinetic and mechanistic investigations in homogenious catalysis using operando UV/vis spectroscopy.
56. A. Preetz, C. Kohrt, H.-J. Drexler, A. J. Torrens, H. Buschmann, M. Garcia Lopez, D. Heller, Adv. Synth. Catal. 2010, 352, (11-12), 2073-2080. Asymmetric Ring Opening of oxabicyclic alkenes with cationic rhodium complexes.
55. B. R. Aluri, N. Peulecke, S. Peitz, A. Spannenberg, B. H. Müller, S. Schulz, H.-J. Drexler, D. Heller, M. H. Al-Hazmi, F. M. Mosa, A. Wöhl, W. Müller, U. Rosenthal, Dalton Trans. 2010, 39, (34), 7911-7920. Coordination Chemistry of new selective ethylene trimerization ligand Ph2PN(iPr)P(Ph)NH(R) (R = iPr, Et) and preliminary tests in catalysis.
54. A. Preetz, H.-J. Drexler, S. Schulz, D. Heller, Tetrahedron Asymm. 2010, 21, (9-10), 1226-1231. BINAP: rhodium-diolefin complexes in asymmetric hydrogenation.
53. S. Schulz, H.-J. Drexler, D. Heller, Acta Cryst. 2010, E66, m721–m722. (+)-{1,2-Bis[(2R,5R)-2,5-dimethylphospholan-1-yl]ethane-κ2P,P’}(η4-cycloocta-1,5-diene)rhodium-(I)tetrafluoridoborate.
52. A. Preetz, W. Baumann, C. Fischer, H.-J. Drexler, T. Schmidt,† R. Thede, D. Heller, Organometallics 2009, 28, 3673–3677. Asymmetric Hydrogenation. Dimerization of Solvate Complexes: Synthesis and Characterization of Dimeric [Rh(DIPAMP)]22+, a Valuable Catalyst Precursor.
51. T. Schmidt, H.-J. Drexler, J. Sun, Z. Dai, W. Baumann, A. Preetz, D. Heller, Adv. Synth. Catal. 2009, 351, 750 – 754. Unusual Deactivation in the Asymmetric Hydrogenation of Itaconic Acid.
50. A. Preetz, W. Baumann, H.-J. Drexler, C. Fischer, J. Sun, A. Spannenberg, O. Zimmer, W. Hell, D. Heller, Chem.  Asian.  J. 2008, 3, 1979-1982. Trinuclear Rhodium Complexes and Their Relevance for Asymmetric Hydrogenation.
49. T. Schmidt, Z. Dai, H.-J. Drexler, M. Hapke, A. Preetz, D. Heller, Chem.  Asian.  J. 2008, 3, 1170-1180. The Majo/Minor Concept: Dependence of the Selectivity of Homogeneously Catalyzed Reactions on Reactivity Ratio and Concentration Ratio of the Intermediates
48. T. Schmidt, Z. Dai, H.-J. Drexler, W. Baumann, C. Jäger, D. Pfeifer, D. Heller, Chem. Eur.  J. 2008, 14, 1445-1451. Novel Contributions to the Mechanism of the Enantioselective Hydrogenation of Dimethyl Itaconate with Rhodium Complexes.
47. A. Preetz, H.-J. Drexler, C. Fischer, Z. Dai, A. Börner, W. Baumann, A. Spannenberg, R. Thede,D. Heller, Chem. Eur. J. 2008, 14, 4469-4471. Rhodium complex catalyzed asymmetric hydrogenation - Transfer of pre-catalysts into active species.
46. Ralf Jackstell, Zhenya Dai, Thomas Schmidt, Detlef Heller and Hans-Joachim Drexler Z. Kristallogr NCS. 2007, 222, 458-462. Crystal structures of 1-(2-(dicyclohexylphosphinophenyl)pyrol-2-dicyclohexylphosphino-rhodium(I) norborna-2,5-diene tetrafluoroborate tetrahydrofuran hemisolvate, [Rh(C34H51NP2)(C7H8)][BF4] · 0.5C4H8O, and 1-(2-(dicyclohexylphosphinophenyl)-pyrol-2-dicyclohexylphosphino-rhodium(I) (Z,Z)-cycloocta-1,5-diene tetrafluoroborate, [Rh(C34H51NP2)(C8H12)][BF4].
45. Jens Holz, Armin Börner, Detlef Heller, Hans-Joachim Drexler Z. Kristallogr NCS. 2007, 222, 463-464. Crystal structure of (2,3-bis((2R,5R)-2,5-dimethylphosphonalyl)maleic anhydride)-(η4-norbornadiene)-rhodium(I) tetrafluoroborate, [Rh(C7H8)(C16H24O3P2)][BF4].
44. Z. Dai, D. Heller, A. Preetz, H.-J. Drexler Z. Kristallogr NCS. 2007, 222, 111-113. Crystal structure of (h4-cycloocta-1,5-dien)-N-(2-(diphenylphosphinooxy)-3-(naphthalen-1-yloxy)propyl)-N-(pentan-3-yl)-1,1-diphenylphosphinamine-rhodium(I) tetrafluoroborate, [Rh(C8H12)(C42H43NO2P2)][BF4].
43. Z. Dai, D. Heller, A. Spannenberg, H.-J. Drexler Z. Kristallogr NCS. 2007, 222, 109-110. Crystal structure of (h4-cycloocta-1,5-dien)-((+)-1,1'-bis((2R,4R)-2,4-diethyl-phosphotano)-ferrocene)-rhodium(I) tetrafluoroborate, [Rh(C8H12)Fe(C12H18FeP)2][BF4].
42. H.-J. Drexler, A. Preetz, T. Schmidt, D. Heller, „Kinetics of homogeneous hydrogenations: measurement and interpretation”, chapter 10 in „Handbook of Homogeneous Hydrogenation“ ed. by . H. G. deVries and C. Elsevier, 257-293, Wiley-VCH, 2007.
41. B. Heller,  A. Gutnov, C. Fischer, H.-J. Drexler, A. Spannenberg, D. Redkin, C. Sundermann, B Sundermann. Chem. Eur J. 2007, 13, (4), 5196-5203. Phosphorus-Bearing Axially Chiral Biaryls by Catalytic Asymmetric Cross-Cyclotrimerization and a First Application in Asymmetric Hydrosilylation.
40. S. Rudershausen, H.-J. Drexler, W. Banse, A. Kelling, U. Schilde, H.-J. Holdt, Cryst. Res. Technol. 2007, 42, (1), 84-90. Three polymorphs of bis(5-methylthio-1,2-dithiole-3-thione)-disulfide.
39. H.-J. Holdt, . H. Müller, A. Kelling, H.-J. Drexler, T. Müller, T. Schwarze, U Schilde, I. Starke, Z.  Anorg.  Allg. Chem. 2006, 632, 114-122. Mercury(II) Chloride and Iodide Complexes of Dithia- and Tetrathiacrown Ethers.
38. H.-J. Drexler, J.-T. Sun, D. Heller, U. Berens, M. Kesselgruber, Z. Kristallogr. NCS 2005, 220, 435-436. Crystal structure of (h4-norborna-2,5-dien){2,3-bis[(S,S)-2,5-dimethyl-phospholanyl]benzothiophene}rhodium(I) tetrafluoroborate, [Rh(C7H8)(C20H28P2S)][BF4].
37. T. Schmidt, W. Baumann, H.-J. Drexler,A. Arrieta, .D. Heller, H. Buschmann, Organometallics 2005, 24, 3842-3848. About the Crystal Structure of [Rh((S,S)-DIPAMP)-((Z)-2-benzoylamino-3-(3,4-dimethoxyphenyl)-methyl-acrylate)]BF4: Major or Minor Catalyst-Substrate Complex?.
36. H.-J. Drexler, W. Baumann, T. Schmidt, S. Zhang, A. Sun, A. Spannenberg, C. Fischer, H. Buschmann, D. Heller, Angew. Chem. 2005, 117, 1208-1212. Werden ß-Acylaminoacrylate in gleicher Weise wie α-Acylaminoacrylate hydriert? ( Angew. Chem. Int. Ed. 2005, 44, 1184-1188. Are ß--Acylaminoacrylates Hydrogenated in the Same Way as α -Acylaminoacrylates?).
35. W. Braun, B. Calmuschi, H.-J. Drexler,. U. Englert, D. Heller, A. Salzer, Acta Cryst. 2004, C60, m532-m536. (R,R)-Tricarbonyl{h6-1-(diphenylphosphino)-2-[1-(diphenylphosphino)ethyl]benzene}chromium(0), (R,R)-tricarbonyl-1κ_3C-{µ-1(h6):2κ_2P,P´-1-(diphenylphosphino)-2-[1-(diphenylphosphino)ethyl]benzene} [2(h4)-norbornadiene] chromium(0)-rhodium(I) tetrafluoroborate methanol 0.75-solvate and (R,R)-tricarbonyl-1κ_3C-{µ-1(h6):2κ_2P,P´-1-(diphenylphosphino)-2-[1-(diphenyl-phosphino)ethyl]benzene} [2(h4)- (Z,Z)-cycloocta-1,5-diene]chromium(0)-rhodium(I) tetrafluoroborate methanol 1. 5-solvate.
34. H.-J. Drexler, S. Zhang, A. Sun, A. Spannenberg, A. Arietta, A. Preetz, D. Heller, Tetrahedron Asymmetry 2004, 15, 2139-2150. Cationic Rh-bisphosphane-diolefin complexes as precatalysts for enantioselective catalysis - what informations do single crystal structures contain regarding product chirality?.
33. Gutnov, B. Heller, C. Fischer, H.-J. Drexler, A. Spannenberg, B. Sundermann, C. Sundermann, Angew. Chem. 2004, 116, 3883-3886. Die Cobalt(I)-katalysierte asymmetrische [2+2+2]-Cycloaddition von Alkinen und Nitrilen: Synthese von enantiomerenangereicherten Atropisomeren von 2-Arylpyridinen (Angew. Chem. Int. Ed. 2004, 43, 3795-3797. Cobalt(I)-Catalyzed Asymmetric [2+2+2] Cycloaddition of Alkynes and Nitriles: Synthesis of Enantiomerically Enriched Atropoisomers of 2-Arylpyridines).
32. R. Kempe, A. Spannenberg, D. Heller, H.-J. Drexler, Z. Kristallogr. 2004, 219, 201-202. Crystal structure of (h4-cycloocta-1,5-dien)(1,2-bis(diethylphosphino)ethane)rhodium(I) tetrafluoroborate, [(C8H12)(C10H24P2)Rh](BF4).
31. J. Holz, A. Börner, A. Spannenberg, C. Pribbenow, D. Heller and H.-J. Drexler, Z. Kristallogr. 2004, 219, 199-200. Crystal structure of (h4-norborna-2,5-dien)-(1,2-bis((R,R)-2,5-bis-(methoxymethyl)phospholanyl)benzene)rhodium(I) tetrafluoroborate, [(C7H8)(C22H36O4P2)Rh](BF4).
30. Gutnov, H.-J. Drexler, A. Spannenberg, G. Oehme,  B. Heller, Organometallics 2004, 23, 1002-1009. Syntheses of Chiral Nonracemic Half-Sandwich Cobalt Complexes with Menthyl-Derived Cyclopentadienyl, Indenyl and Fluorenyl Ligands.
29. B. Heller, B. Sundermann, C. Fischer, J. You, W. Chen, H.-J. Drexler, P. Knochel, W. Bonrath, A. Gutnov, J. Org. Chem. 2003, 68, (24) 9221-9225. Facile and Racemization-Free Conversion of Chiral Nitriles into Pyridine Derivates.
28. H.-J. Drexler, J. You, S. Zhang, C. Fischer, W. Baumann, A. Spannenberg, D. Heller, Organic Process Research and Development 2003, 7 (3): 355-361. Chiral β-Amino Acid Derivatives via Asymmetric Hydrogenation.
27. Andrey Gutnov, Barbara Heller, Hans-Joachim Drexler, Anke Spannenberg, Günther Oehme, Organometallics 2003, 22 (7): 1550-1553. Tartrate-derived cyclopentadienes for the synthesis of chiral substituted (h5-cyclopentadiene)(h4-cycloocta-1,5-diene)cobalt(I) complexes.
26. Wolfgang Braun, Albrecht Salzer, Hans-Joachim Drexler, Anke Spannenberg, Detlef Heller, J. Chem. Soc., Dalton 2003, 1606-1613. Investigations into the hydrogenation of diolefins and prochiral olefins employing the "Daniphos"-type ligands.
25. Jingsong You, Hans-Joachim Drexler, Songlin Zhang, Christine Fischer, Detlef Heller Angew.Chem. 2003, 115, 942-945, Darstellung und asymmetrische Hydrierung von ß-arylsubstituierten ß-Acylaminoacrylaten (Angew.Chem. Int. Ed. 2003, 42, 913-916. Preparation and Asymmetric Hydrogenation of ß-Aryl-Substituted ß-Acylaminoacrylates).
24. D. Heller, J. Holz, I. Komarov, H.-J. Drexler, J. You, K. Drauz, A. Börner, Tetrahedron-Asymmetry 2002, 13, (24), 2735-2741. On the enantioselective hydrogenation of isomeric beta-acylamido beta-alkylacrylates with chiral Rh(I) complexes - comparison of phosphine ligands and substrates.
23. D. Heller, H.-J. Drexler, J. You, K. Drauz, H.-P. Krimmer, A. Börner, Chem. Eur. J. 2002, 8, (22), 5196-5203. On the Enantioselective Hydrogenation of Isomeric Methyl 3-Acetamidobutenoates with Rh(I) Complexes.
22. B. Heller, B. Sundermann, H. Buschmann, H.-J. Drexler, J. S. You, U. Holzgrabe, E. Heller,  G. Oehme, J. Org. Chem., 2002, 67, 4414-4422. Photocatalysed [2+2+2]-Cycloaddition of Nitriles with Acetylene: An Effective Method for the Synthesis of 2-Pyridines under Mild Conditions.
21. D. Heller, H.-J. Drexler, A. Spannenberg, B. Heller, J. You, W. Baumann, Angew.Chem. 2002, 114, 814-817. Zum inhibierenden Einfluss aromatischer Lösungsmittel auf die katalysatoraktivität bei asymmetrischen Hydrierungen. (Angew.Chem. Int. Ed. 2002, 41, 777-780. The inhibiting influence of aromatic solvents on the activity of asymmetric hydrogenations.).
20. J. Holz, R. Stürmer, U. Schmidt, H.-J. Drexler, D. Heller, H.-P. Krimmer, A. Börner, Eur. J. Org. Chem. 2001, 4615-4624. Synthesis of Chiral 2,5-Bis(oxymethyl)-Functionalized Bis(phospholane) and Their Applications in Rh- and Ru-Catalyzed Enantioselective Hydrogenations.
19. D. Heller, J. Holz, H.-J. Drexler, J. Lang, K. Drauz, H.-P. Krimmer, A. Börner, J. Org. Chem. 2001, 66, 6816-6817. Pressure dependent highly enantioselective hydrogenation of unsaturated b-amino acid precursors.
18. E. Kleinpeter, M. Grotjahn,a K. D. Klika, H.-J. Drexler, Hans-Jürgen Holdt, J. Chem. Soc., Perkin Trans. 2 2001, 988–993. Conformational and complexational study of some maleonitrile mixed oxadithia crown ethers by NMR spectroscopy and molecular modelling.
17. H.-J. Drexler, I. Starke, M. Grotjahn, E. Kleinpeter, H.-J. Holdt, Inorganica Chimica Acta  2001, 317, 133–142. Homologous series of the PdCl2 and PtCl2 complexes of maleonitrile-dithiacrown ethers: synthesis, crystal structures, NMR spectroscopy and mass spectrometry.
16. K. Jansen, H.-J. Buschmann, A. Wego, D. Döpp, C. Mayer, H.-J. Drexler, H.-J. Holdt, E. Schollmeyer, Journal of Inclusion Phenomena and Macrocyclic Chemistry 2001, 39 (3/4):357-363. Cucurbit[5]uril, Decamethylcucurbit[5]uril and Cucurbit[6]uril. Synthesis, Solubility and Amine Complex Formation.
15. H.-J. Drexler, W. Baumann, A. Spannenberg, C. Fischer, D. Heller, J. Organomet. Chem. 2001, 621, 89-102. COD- versus NBD-precatalysts. Dramatic difference in the asymmetric hydrogenation of prochiral olefins with five membered diphosphine Rh-hydrogenation catalysts.
14. Spannenberg, D. Heller, H.-J. Drexler, Z. Kristallogr. 2001, 216, 169-171. Crystal structures of (S)-2,3-O,N-bis(diphenylphosphino)-1-(naphthoxy)-2-hydroxy-3-cyclohexylaminopropane rhodium(I)-(Z,Z)-cycloocta-1,5-diene tetrafluoroborate, C51H54BF4NO2P2Rh.
13. R. Kempe, A. Spannenberg, D. Heller, H.-J. Drexler, Z. Kristallogr. 2001, 216, 165-168. Crystal structures of 1,2-bis(dicyclohexylphosphino)-ethane rhodium(I)-norborna-2,5-diene tetrafluoroborate (C33H56BF4P2Rh) and 1,2-bis(dicyclohexylphosphino)-ethane rhodium(I)-(Z,Z)-cycloocta-1,5-diene tetrafluoroborate (C34H60BF4P2Rhx1/2CH3OH).
12. D. Heller, H.-J. Drexler, C. Fischer, H. Buschmann, W. Baumann, B. Heller, Angew.Chem. 2000, 112, 505. Wie lange kennen wir schon nichtlineare Katalyse?.(Angew.Chem. Int. Ed. 2000, 39, 495-499. How long have non-linear effects been known in the field of catalysis?).
11. H.-J. Drexler, I. Starke, M. Grotjahn, H. Reinke, E. Kleinpeter, H.-J. Holdt, Z. Naturforsch. 1999, 54b, 799-806. SbCl3, BiCl3 and Na+ Complexes of Maleonitrile-Dithiacrown ethers: Synthesis, Crystal Structures and DEP-MS Experiments.
10. M. Grotjahn, N. Jäger, H.-J. Drexler, H.-J. Holdt, E. Kleinpeter, J. Mol. Model. 1999, 5, 72-77. Molecular Modeling Study of the PtCl2 Complexes of Unsaturated S2On+1-Coronands: Dynamic Simulations and Investigation of the Ring Interconversion.
9. H.-J. Drexler, M. Grotjahn, E. Kleinpeter, H.-J. Holdt, Inorg. Chim. Acta 1999, 285, 305-308. A novel polymeric disilver(I) complex containing both macrocyclic- and linear-coordinate silver(I) centres: [Ag2(mn-15S2O3)](ClO4)2 (mn-15S2O3 = maleonitrile-dithio[15]crown-5.
8. K. Micskei, J. Gyarmati, G. Kovács, S. Makleit, C. Simon, Z. Szabo, J. Marton, S. Hosztafi, H. Reinke, H.-J. Drexler, Eur. J. Org. Chem. 1999, 149-153. Reactions of Nepenthone with Chromium(II) Reagents in Neutral Aqueous Medium.
7. H.-J. Drexler, H. Reinke, H.-J. Holdt, Z. Anorg. Allg. Chem. 1998, 624, 1376-1380. Der erste röntgenstrukturanalytisch charakterisierte Cs+ - in cavity -Komplex eines einundzwanziggliedrigen Coranden: (Maleonitril-Dithio[21]-krone-7)caesium-hexachloro-antimonat.
6. S. Rudershausen, H.-J. Drexler, H.-J. Holdt, J. prakt. Chem. 1998, 340, 450-454. Synthesis and Stereochemistry of Bis(dithiacrownether) and Dodecylthio Substituted (E)-Thiodesaurines.
5. S. Rudershausen, H.-J. Holdt, H.-J. Drexler, H. Reinke, M. Michalik, J. Teller, Chem. Commun. 1998, 1653-1654. Intramolecular macrocyclization of bis(5-methylthio-1,2-dithiole-3- thione)s with triethyl phosphite. A stereoselective route to macrocyclic (Z)-thioxodesaurines.
4. M. Grothjahn, H.-J. Drexler, N. Jäger, E. Kleinpeter, H.-J. Holdt, J. Mol. Model. 1997, 3, 355-358. Molecular Dynamic and Conformational Study of an Unsaturated 12-crown-S2O2 Ether and its AgI Complexes.
3. Spannenberg, D. Abeln, J. Kopf, H.-J. Drexler, H.-J. Holdt, Supramolekular Chemistry 1996, 6, 409. Macrocycles with 1,2-Dicyano-1,2-dithioethene Units.
2. H.-J. Drexler, H. Reinke, H.-J. Holdt, Chem. Ber. 1996, 129, 807. Silver(I) Sandwich Complexes of Oxa-Crowned Derivatives of Dithiomaleonitrile.
1. S. Rudershausen, H.-J. Drexler, H. Reinke, A. Knöchel, H.-J. Holdt, Sulfur Letters 1995, 18, 233. Crystal Structure of 2,4-Bis[(methylthiocarbonyl)-(methylthio)methylene]-1,3-dithiethane (trans-Isomer).
10. H.-J. Drexler, D. Heller, M. Kegel, O. Zimmer, W. Hell, O. Schäfer, A. Schnyder, U. Sigrist, F. Spindler; Method for production of 6 dimethyl Amino Methyl-phenyl-cyclohexane 1.3 diols; EP 20080003846 (29.02.2008)
9. D. Heller, H.-J. Drexler, A. Preetz, A. Torrens, M. Garcia; Microwave-assisted ring opening reaction; EP 20070380350 (12.12.2007)
8. D. Heller, H.-J. Drexler, A. Preetz, A. Torrens, H. Buschmann, M. Garcia; Rhodium-phosphorus complexes and their use in ring opening reactions; EP 20070380349 (12.12.2007)
7. W. Hell, M. Kegel, H. Buschmann, F. Spindler, D. Heller, H.-J. Drexler; Verfahren zur Herstellung substituierter Dimethyl-(3-aryl-butyl)-amin-Verbindungen mittels homogener Katalyse; DE102005052588 (02.11.2005)
6. A. Preetz, D. Heller, H.-J. Drexler; Homogene katalytische Hydrierung; DE102005037649.5 (05.08.2005)
5. A. Torrens, H. Buschmann, D. Heller, H.-J. Drexler; Verfahren zur Gewinnung der Enatiomeren der Thienylazolylalkoxyethanaminen; EP 1674465 (27.12.2004)
4. A. Torrens, H. Buschmann, D. Heller, H.-J. Drexler; Verfahren zur Herstellung von Cizolirtine und dessen EnantiomerenEP 1674458 (27.12.2004)
3. W. Hell, M. Kegel, B. Akteries, H. Buschmann, J. Holenz, H. Löbbermann, D. Heller, H.-J. Drexler, S. Gladow; ​​Verfahren zur Herstellung von Dimethyl-(3-aryl-butyl)-aminverbindungen; DE 10326097 (06.06.2003)
2. D. Heller, H.-J. Drexler, J. You, S. Zhang; E-isomere ß-aromatisch oder heteroaromatisch substituierte ß-Acylaminoacrylate und Verfahren zu deren Herstellung; DE 10235916.4 (26.07.2002)

1.

D. Roettger, M. Beller, R. Jackstell, D. Heller, H.-J. Drexler, H. Klein, K.-D. Wiese;  Neue N-Phenylpyrrolbiphosphanverbindungen und deren Metallkomplexe; DE 10100708 (10.01.2001).