Intern
    Prof. Dr. Reinhold Tacke

    1995-2000

     Publikationen 1995 - 2000

    1. L. Fischer, S.A. Wagner, R. Tacke, Preparation of enantiomerically pure (R)-(1-hydroxyethyl)dimethyl(phenyl)silane using resting cells of Saccharomyces cerevisiae (DHW S-3) as biocatalyst, Appl. Microbiol. Biotechnol. 42, 671-674 (1995).
    2. R. Tacke, D. Reichel, M. Kropfgans, P.G. Jones, E. Mutschler, J. Gross, X. Hou, M. Waelbroeck, G. Lambrecht, Biological recognition of enantiomeric silanes: syntheses and antimuscarinic properties of optically active (2-aminoethyl)cyclohexyl(hydroxy-methyl)phenylsilanes and related quaternary ammonium derivatives, Organometallics 14, 251-262 (1995).
    3. R. Tacke, D. Reichel, K. Günther, S. Merget, The first liquid-chromatographic separation of the (R)- and (S)-enantiomers of a chiral silanol, silane and germane, Z. Naturforsch. 50b, 568-572 (1995).
    4. R. Tacke, M. Mühleisen, A. Lopez-Mras, W.S. Sheldrick, Synthesen und Kristallstrukturanalysen neuer zwitterionischer spirocyclischer (Ammonioorganyl)- bis[vic-arendiolato(2─)]silicate: Untersuchungen zur Struktur der λ5Si-Koordinationspolyeder, Z. Anorg. Allg. Chem. 621, 779-788 (1995).
    5. R. Tacke, D. Terunuma, A. Tafel, M. Mühleisen, B. Forth, M. Waelbroeck, J. Gross, E. Mutschler, T. Friebe, G. Lambrecht, Fluorine-containing derivatives of the muscarinic antagonists sila-pridinol and sila-difenidol: syntheses and antimuscarinic properties, J. Organomet. Chem. 501, 145-154 (1995).
    6. R. Tacke, B. Forth, M. Waelbroeck, J. Gross, E. Mutschler, G. Lambrecht, Unsaturated derivatives of the muscarinic antagonists hexahydro-sila-difenidol (HHSiD) and p-fluoro-hexahydro-sila-difenidol (p-F-HHSiD) with an (E)-Si─CH=CH─CH2─N moiety: syntheses and binding affinities at muscarinic receptor subtypes, J. Organomet. Chem. 505, 73-79 (1995).
    7. R. Tacke, D. Reichel, P.G. Jones, X. Hou, M. Waelbroeck, J. Gross, E. Mutschler, G. Lambrecht, Pharmacological discrimination between enantiomeric germanes by muscarinic receptors: a study on germanium/silicon bioisosterism, J. Organomet. Chem. 521, 305-323 (1996).
    8. R. Tacke, J. Becht, O. Dannappel, R. Ahlrichs, U. Schneider, W.S. Sheldrick, J. Hahn, F. Kiesgen, Zwitterionic λ5Si-organofluorosilicates of the formula types F4SiCH2NMe2R and F3MeSiCH2NMe2R (R = H, Me) and related compounds: synthesis, structure, and dynamic behavior, Organometallics 15, 2060-2077 (1996).
    9. R. Tacke, J. Heermann, M. Pülm, Zwitterionic bis[citrato2B)-O3,O4](morpholinio-methyl)germanate hydrate and its silicon analogue: syntheses and crystal structure analyses, Organometallics 16, 5648-5652 (1997).
    10. M. Pülm, R. Tacke, [(Dimethylammonio)methyl]bis[cis-1,2-diphenylethene-1,2-diolato(2B)]silicate: the first zwitterionic spirocyclic λ5Si-silicate containing cis-ethene-1,2-diolato(2B) ligands, Organometallics 16, 5664-5668 (1997).
    11. B. Pfrommer, R. Tacke, A zwitterionic pentacoordinate silicon compound with an SiO2N2C framework, Eur. J. Inorg. Chem. 1998, 415-418.
    12. R. Tacke, J. Heermann, B. Pfrommer, The first zwitterionic dinuclear germanium(IV) complex with pentacoordinate germanium atoms: synthesis and crystal structure analysis, Inorg. Chem. 37, 2070-2072 (1998).
    13. R. Tacke, J. Heermann, M. Pülm, I. Richter, (Ammoniomethyl)bis[salicylato(2B)-O1,O2]silicates: zwitterionic spirocyclic λ5Si-silicates with two six-membered SiO2C3 ring systems, Organometallics 17, 1663-1668 (1998).
    14. R. Tacke, U. Kosub, S.A. Wagner, R. Bertermann, S. Schwarz, S. Merget, K. Günther, Enzymatic transformation and liquid-chromatographic separation as methods for the preparation of the (R)- and (S)-enantiomers of the centrochiral hydridogermanes p-XC6H4(H)Ge(CH2OAc)CH2OH (X = H, F), Organometallics 17, 1687-1699 (1998).
    15. R. Tacke, J. Heermann, M. Pülm, Pentafluoro[(4-methyl-1,4-bisazoniacyclohex-1-yl)-methyl]germanate hydrate: synthesis and crystal structure of a zwitterionic λ6Ge-germanate with a GeF5C framework, Z. Naturforsch. 53b, 535-539 (1998).
    16. R. Tacke, B. Pfrommer, K. Lunkenheimer, R. Hirte, Zwitterionic (ammoniomethyl)-tetrafluorosilicates of the formula type F4SiCH2NH2(CH2)nMe (n = 5B11) and F4SiCH2NMe2(CH2)5Me: a new class of highly efficient surface-active compounds, Organometallics 17, 3670-3676 (1998).
    17. R. Tacke, J. Heermann, M. Pülm, E. Gottfried, A zwitterionic λ5Si-silicate with an almost ideal square-pyramidal Si-coordination polyhedron: synthesis and crystal structure analysis, Monatsh. Chem. 130, 99-107 (1999).
    18. R. Tacke, R. Bertermann, A. Biller, O. Dannappel, M. Pülm, R. Willeke, Syntheses, stereochemistry, and dynamic behavior of chiral zwitterionic (ammoniomethyl)-bis[glycolato(2B)-O1,O2]silicates, Eur. J. Inorg. Chem. 1999, 795-805.
    19. R. Tacke, B. Pfrommer, M. Pülm, R. Bertermann, New chiral zwitterionic λ5Si-silicates with an SiO5 or SiO4C framework: syntheses, crystal structures, and properties, Eur. J. Inorg. Chem. 1999, 807-816.
    20. R. Tacke, M. Pülm, I. Richter, B. Wagner, R. Willeke, New zwitterionic spirocyclic λ5Si-silicates with two ethane-1,2-diolato(2B), oxalato(2B), or benzene-1,2-diolato(2B) ligands - synthesis, structure, and dynamic behavior, Z. Anorg. Allg. Chem. 625, 2169-2177 (1999).
    21. M. Pülm, J. Becht, R. Tacke, Singly charged λ6Si-silicate anions with an SiF5C skeleton: syntheses and crystal structure analyses of the ionic hexacoordinate silicon compounds [Me3NH][F5SiCH2NMe2H] · H2O and [Me3NH][F5SiCH2NMe3] · H2O, Z. Naturforsch. 55b, 60-64 (2000).
    22. V.I. Handmann, M. Merget, R. Tacke, Sila-substitution of the α-amino acid proline: synthesis of rac- and (R)-4,4-dimethyl-4-sila-proline ethyl ester, Z. Naturforsch. 55b, 133-138 (2000).
    23. R. Tacke, R. Bertermann, A. Biller, O. Dannappel, M. Penka, M. Pülm, R. Willeke, Zwitterionic spirocyclic λ5Si-silicates with two bidentate acetohydroximato(2B) or benzohydroximato(2B) ligands: synthesis, structure, and dynamic stereochemistry, Z. Anorg. Allg. Chem. 626, 1159-1173 (2000).
    24. D. Kost, I. Kalikhman, S. Krivonos, R. Bertermann, C. Burschka, R.E. Neugebauer, M. Pülm, R. Willeke, R. Tacke, New zwitterionic pentacoordinate silicates with SiONFC2,
      SiONF2C, and SiO2N2C frameworks: synthesis, structure, and dynamic stereochemistry,
      Organometallics 19, 1083-1095 (2000).
    25. R. Tacke, A. Stewart, J. Becht, C. Burschka, I. Richter, Di[(hydroxyalkyl)-
      dimethylammonium] tris[benzene-1,2-diolato(2      B)]silicates and their germanium analogs:
      syntheses, crystal structure analyses, and NMR studies, Can. J. Chem. 78, 1380-1387
      (2000).
    26. R. Tacke, M. Merget, R. Bertermann, M. Bernd, T. Beckers, T. Reissmann, Syntheses and
      properties of silicon- and germanium-containing α-amino acids and peptides: a study on C/Si/Ge Bioisosterism, Organometallics 19, 3486-3497 (2000).
    27. R. Bertermann, R. Tacke, Solid-state 29Si VACP/MAS NMR studies of silicon-accumulating plants: structural characterization of biosilica deposits, Z. Naturforsch. 55b, 459-461 (2000).
    28. V.I. Handmann, R. Bertermann, C. Burschka, R. Tacke, New bicyclic sila-heterocycles: syntheses and crystal structure analyses of rac-7-ethoxy-2,2-diorganyl-2,3,5,7a-tetrahydro-1H-3a,6-diaza-2-sila-inden-4-ones, J. Organomet. Chem. 613, 19-25 (2000).
    29. R. Tacke, C. Burschka, I. Richter, B. Wagner, R. Willeke, Pentacoordinate silicon compounds with SiO5 skeletons containing SiOH or SiOSi groups: derivatives of the pentahydroxosilicate(1&) Anion [Si(OH)5]S and its anhydride [(OH)4Si-O-Si(OH)4]2S, J. Am. Chem. Soc. 122, 8480-8485 (2000).
    30. R. Tacke, B. Ulmer, B. Wagner, M. Arlt, A novel silicon-based linkage and cleavage
      strategy for solid-phase synthesis: formation of resin-linked zwitterionic pentacoordinate silicates as the key step and release of the target molecules in a traceless fashion, Organometallics 19, 5297-5309 (2000).