Collect. Czech. Chem. Commun. 1973, 38, 1614-1619
https://doi.org/10.1135/cccc19731614

Preparation and reactions of some substances with protoberberine skeleton

V. Šimánek and A. Klásek

Individual author index pages


Other CCCC articles of these authors

  • V. A. Mnatsakanyan, V. Preininger, V. Šimánek, J. Juřina, A. Klásek, L. Dolejš and F. Šantavý
    Isolation and chemistry of the alkaloids from Papaver macrostomum BOISS. et HUET
    1977, Vol. 42, Issue 4, pp. 1421–1430 [Abstract]
  • Nguyen Thi Nghia, P. Sedmera, A. Klásek, A. Boeva, L. Drjanovska, L. Dolejš and F. Šantavý
    Bulgarsenine and retroisosenine, alkaloids from Senecio nemorensis L., var. bulgaricus (VEL.) STOJ. et STEF.
    1976, Vol. 41, Issue 10, pp. 2952–2963 [Abstract]
  • V. Šimánek, V. Preininger and J. Lasovský
    The pseudobase formation in some isoquinoline alkaloids
    1976, Vol. 41, Issue 4, pp. 1050–1055 [Abstract]
  • A. Klásek, V. A. Mnatsakanyan and F. Šantavý
    Alkaloids from Senecio cineraria C. D.
    1975, Vol. 40, Issue 8, pp. 2524–2528 [Abstract]
  • V. Šimánek, L. Hruban, V. Preininger, A. Němečková and A. Klásek
    Emde degradation of some rhoeadine and isorhoeadine derivatives
    1975, Vol. 40, Issue 3, pp. 705–711 [Abstract]
  • V. Preininger, J. Veselý, O. Gašić, V. Šimánek and L. Dolejš
    Isolierung und Identifizierung der Alkaloide aus Corydalis sempervirens (L.) PERS. (C. glauca PURSCH)
    1975, Vol. 40, Issue 3, pp. 699–704 [Abstract]
  • A. Klásek, P. Sedmera and F. Šantavý
    Quaternary dihydropyrrolizines
    1975, Vol. 40, Issue 2, pp. 568–573 [Abstract]
  • V. Bekárek, H. Kalová, J. Socha, K. Ubik and V. Šimánek
    Study of polar effects in N-arylmethanesulfonylamides
    1974, Vol. 39, Issue 8, pp. 2239–2246 [Abstract]
  • V. Preininger, V. Šimánek, L. Dolejš, O. Gašić, A. Němečková and F. Šantavý
    Isolation and chemistry of the alkaloids from some plants of the genus Papaver. LX. Isolation of a salt of (-)-N-methylstylopinium from plants of the genus Papaver L.
    1973, Vol. 38, Issue 12, pp. 3662–3665 [Abstract]
  • J. Hrbek, jr., L. Hruban, V. Šimánek, F. Šantavý and G. Snatzke
    Isolation and chemistry of the alkaloids from some plants of the genus Papaver. LVII. Chiroptical properties and preparation of some rhoeadine and isorhoeadine derivatives
    1973, Vol. 38, Issue 9, pp. 2799–2816 [Abstract]
  • A. Klásek, B. Šula and F. Šantavý
    Pyrrolizidine alkaloids. XXI. Alkaloids from Senecio fluviatilis WALLR.
    1973, Vol. 38, Issue 9, pp. 2658–2660 [Abstract]
  • A. Klásek, P. Sedmera, A. Boeva and F. Šantavý
    Pyrrolizidine alkaloids. XX. Nemorensine, an alkaloid from Senecio nemorensis L.
    1973, Vol. 38, Issue 8, pp. 2504–2512 [Abstract]
  • V. Stužka and V. Šimánek
    Oxazine als azidobasische Indikatoren XV. Untersuchung der Protonisierungsgleichgewichte der Benzo[a]phenoxazoniumderivate
    1973, Vol. 38, Issue 1, pp. 194–200 [Abstract]
  • P. Sedmera, A. Klásek, A. M. Duffield and F. Šantavý
    Pyrrolizidine alkaloids. XIX. Structure of the alkaloid erucifoline
    1972, Vol. 37, Issue 12, pp. 4112–4119 [Abstract]
  • J. Hrbek, jr, L. Hruban, A. Klásek, N. K. Kochetkov, A. M. Likhosherstov, F. Šantavý and G. Snatzke
    Pyrrolizidine alkaloids. XVIII. Chiroptical properties of some pyrrolizidine alkaloids
    1972, Vol. 37, Issue 12, pp. 3918–3935 [Abstract]
  • V. Šimánek, V. Preininger, S. Hegerová and F. Šantavý
    The tautomerism of quaternary salts of isoquinoline type. The effect of the position and nature of electron donating substituents on the spectroscopic and polarographic behaviour of these substances
    1972, Vol. 37, Issue 8, pp. 2746–2763 [Abstract]
  • V. Stužka and V. Šimánek
    Oxazine als azidobasische Indikatoren XIV. Elektronenspektren von Benzophenoxazonen
    1972, Vol. 37, Issue 4, pp. 1121–1129 [Abstract]
  • A. Klásek, P. Sedmera and F. Šantavý
    Pyrrolizidine alkaloids. XVI. Alkaloids from some plants of the genus Ligularia
    1971, Vol. 36, Issue 6, pp. 2205–2215 [Abstract]
  • V. Šimánek, J. Lasovský, V. Stužka and L. Hruban
    Oxazines as acidobasic indicators. XIII. Infrared spectra and basicity of benzophenoxazones
    1970, Vol. 35, Issue 10, pp. 3064–3071 [Abstract]
  • F. Šantavý, L. Hruban, V. Šimánek and D. Walterová
    Ultraviolet spectra: Methoxy and methylenedioxy groups of some aromatic compounds and alkaloids. II. The effect of methoxy and methylenedioxy groups on the ultraviolet spectra of aromatic compounds with a conjugated carbonyl chromophore
    1970, Vol. 35, Issue 8, pp. 2418–2443 [Abstract]
  • V. Šimánek, V. Preininger, P. Sedmera and F. Šantavý
    Isolation and chemistry of the alkaloids from some plants of the genus Papaver. XLVIII. Studies in exhaustive methylation of tetrahydroprotoberberine alkaloids and the structure of the alkaloids PO-4, PO-5, orientalidine and mecambridine
    1970, Vol. 35, Issue 5, pp. 1440–1455 [Abstract]
  • A. Klásek, P. Sedmera and F. Šantavý
    Pyrrolizidine alkaloids. XV. Structure of the alkaloid clivorine
    1970, Vol. 35, Issue 3, pp. 956–969 [Abstract]
  • V. Preiniger, L. Hruban, V. Šimánek and F. Šantavý
    Isolation and chemistry of the alkaloids from the plants of the genus Papaver. XLVI. The structure of the alkaloids PO-4, PO-5 and of the dehydrogenated α-coralydine
    1970, Vol. 35, Issue 1, pp. 124–135 [Abstract]
  • V. Šimánek, A. Klásek and F. Šantavý
    Pyrrolizidine alkaloids. XIV. Ultraviolet absorption spectroscopy of some pyrrolizidine alkaloids
    1969, Vol. 34, Issue 6, pp. 1832–1837 [Abstract]
  • A. Klásek, N. Neuner-Jehle and F. Šantavý
    Pyrrolizidine alkaloids. XII. The structure of clivonecic acid
    1969, Vol. 34, Issue 5, pp. 1459–1469 [Abstract]
  • A. Klásek, V. Svárovský, S. S. Ahmed and F. Šantavý
    Isolation of pyrrolizidine alkaloids from Senecio aegyptius L. and S. desfontainei DRUCE (syn. S. coronopifolius DESF.)
    1968, Vol. 33, Issue 6, pp. 1738–1743 [Abstract]
  • A. Klásek, P. Vrublovský and F. Šantavý
    Isolation of pyrrolizidine alkaloids from the plants Senecio rivularis D.C. and Ligularia clivorum MAXIM.
    1967, Vol. 32, Issue 7, pp. 2512–2522 [Abstract]
  • M. Valenta, M. Janda and A. Klásek
    Versuche in der Furan-Reihe VI. Alkoxylierung von 2-Methyl-3-formylfuran
    1966, Vol. 31, Issue 6, pp. 2410–2415 [Abstract]