Collect. Czech. Chem. Commun. 1939, 11, 540-556
https://doi.org/10.1135/cccc19390540

The phosphotungstic acids and their salts with alkaloids

J. Křepelka and O. Stieber

Individual author index pages


Other CCCC articles of these authors

  • J. Křepelka, M. Beran and M. Semonský
    Some 2-substitution derivatives of D-6-methylergoline-I
    1977, Vol. 42, Issue 10, pp. 2953–2956 [Abstract]
  • J. Křepelka, M. Šeda and M. Semonský
    Some esters of N-(D-6-methyl-8-ergolin-I-ylmethyl)carbamic acid
    1977, Vol. 42, Issue 6, pp. 1886–1889 [Abstract]
  • M. Beran, J. Křepelka, V. Zikán, K. Řežábek, M. Šeda and M. Semonský
    Some N-(D-6-methyl-8-ergolin-I-ylmethyl)-N'-substituted ureas and N-(D-6-methyl-2-chloro-8-isoergolin-I-yl)-N',N'-diethyl urea
    1977, Vol. 42, Issue 4, pp. 1417–1420 [Abstract]
  • J. Křepelka, M. Šeda, K. Řežábek and M. Semonský
    Some unsaturated amides of D-6-methyl-8-ergolin-I-ylacetic acid and D-dihydrolysergic-I acid
    1977, Vol. 42, Issue 4, pp. 1412–1416 [Abstract]
  • M. Beran, J. Křepelka, K. Řežábek, M. Šeda and M. Semonský
    Esters of D-6-methyl-8-ergolin-I-ylacetic acid and their 2-halogeno derivatives
    1977, Vol. 42, Issue 4, pp. 1407–1411 [Abstract]
  • M. Beran, J. Křepelka and M. Semonský
    Amides of D-6-methyl-8-ergolin-I-ylacetic acid
    1977, Vol. 42, Issue 4, pp. 1216–1219 [Abstract]
  • J. Křepelka, A. Černý, R. Kotva and M. Semonský
    Some 6-alkyl derivatives of D-8-cyanomethyl and D-8-methyl ergoline-I
    1977, Vol. 42, Issue 4, pp. 1209–1215 [Abstract]
  • J. Křepelka and M. Semonský
    Partial synthesis of festuclavine
    1976, Vol. 41, Issue 5, pp. 1416–1418 [Abstract]
  • M. Semonský, J. Hartl, J. Křepelka, M. Beran, B. Kakáč, H. Veselá and V. Rejholec
    Some γ,γ-diaryl-α,β-dihalogenoisocrotonic acids
    1975, Vol. 40, Issue 9, pp. 2869–2882 [Abstract]
  • J. Zachoval, J. Křepelka and M. Klímová
    Polymerization of 1,3-pentadiene in solution and emulsion, resp. initiated by coordination catalysts of rhodium complexes type
    1972, Vol. 37, Issue 10, pp. 3271–3278 [Abstract]
  • B. Veruovič and J. Křepelka
    Stereoregular polymerization of butadiene
    1971, Vol. 36, Issue 9, pp. 3387–3390 [Abstract]
  • J. Křepelka and J. Zachoval
    Polymerization of butadiene by π-allyl complexes of rhodium
    1970, Vol. 35, Issue 12, pp. 3800–3801 [Abstract]