Collect. Czech. Chem. Commun. 1981, 46, 607-625
https://doi.org/10.1135/cccc19810607

4,4-Dimethyl-A-homocholestane derivatives

Helena Velgová and Jorga Smolíková

Institute of Organic Chemistry and Biochemistry, Czechoslovak Academy of Sciences, 166 10 Prague 6

Individual author index pages


Other CCCC articles of these authors

  • Ladislav Kohout, Helena Velgová, Miroslav Strnad and Miroslav Kamínek
    Brassino steroids with androstane and pregnane skeleton
    1987, Vol. 52, Issue 2, pp. 476–486 [Abstract]
  • Helena Velgová
    Participation of the oxygen-containing substituent in alkaline saponification of 3,4a-disubstituted 4,4-dimethyl-5,6β-epoxy-A-homo-5β-cholestane derivatives
    1986, Vol. 51, Issue 4, pp. 930–936 [Abstract]
  • Helena Velgová and Jaroslav Zajíček
    Reaction of 3,4a-disubstituted 4,4-dimethyl-5,6β-epoxy-A-homo-5β-cholestane derivatives with reducing agents
    1985, Vol. 50, Issue 11, pp. 2457–2470 [Abstract]
  • Helena Velgová and Ladislav Kohout
    6,7-Secoandrostane derivatives
    1985, Vol. 50, Issue 4, pp. 962–972 [Abstract]
  • Helena Velgová and Jaroslav Zajíček
    Oxidation and epoxidation of 4,4-dimethyl-A-homo-5-cholesten-4a-ols
    1985, Vol. 50, Issue 1, pp. 114–131 [Abstract]
  • Alexander Kasal and Jorga Smolíková
    Photochemical 6β-hydroxylation of 11β-hydroxy-4-androstene-3,17-dione
    1984, Vol. 49, Issue 12, pp. 2932–2941 [Abstract]
  • Pavel Drašar, Vladimír Pouzar, Ivan Černý, Jorga Smolíková and Miroslav Havel
    Synthesis of 17β-[4-(1,3-thiazolyl)]androstane 3β-hemisuccinate and glycoside
    1984, Vol. 49, Issue 4, pp. 1039–1050 [Abstract]
  • Karel Bláha, Ahmed M. Farag, Dick VAN DER Helm, M. Bilayet Hossain, Miloš Buděšínský, Petr Maloň, Jorga Smolíková and Miloš Tichý
    Stereoisomeric chiral 2,9-diazabicyclo[4.4.0.]decane-3,10-diones as models of dipeptide grouping: Synthesis, X-ray, IR, NMR and cd studies
    1984, Vol. 49, Issue 3, pp. 712–742 [Abstract]
  • Helena Velgová
    4,4-Dimethyl-A-homoandrostane epoxides
    1984, Vol. 49, Issue 1, pp. 150–156 [Abstract]
  • Helena Velgová
    4,4-Dimethyl-A-homoandrostane epoxides
    1983, Vol. 48, Issue 9, pp. 2536–2548 [Abstract]
  • Helena Velgová
    Stereochemistry of epoxidation and hydroboration of some 4,4-dimethyl-A-homo-5-cholestene derivatives
    1983, Vol. 48, Issue 6, pp. 1774–1782 [Abstract]
  • Helena Velgová and Antonín Trka
    Hydrogenolytic opening of 4,4-dimethyl-4a,5-epoxy-a-homocholestane derivatives and mass spectra of some reaction products
    1983, Vol. 48, Issue 3, pp. 937–955 [Abstract]
  • Ladislav Kohout, Alexander Kasal, Vlastimil Šanda and Helena Velgová
    Rearrangement of the 16,17-cyclopropano derivatives
    1983, Vol. 48, Issue 1, pp. 173–183 [Abstract]
  • Antonín Trka and Helena Velgová
    Mass spectra of 4,4-dimethyl-A-homocholestane-3,5- and 3,4a diols and their derivatives
    1982, Vol. 47, Issue 12, pp. 3328–3338 [Abstract]
  • Antonín Trka and Helena Velgová
    Mass spectra of 4,4-dimethyl-A-homo-4a,6-cholestadien-3-ols, 4,4-dimethyl-A-homo-5-cholestene-3,4a-diols and their derivatives
    1982, Vol. 47, Issue 10, pp. 2768–2778 [Abstract]
  • Helena Velgová
    Acid catalysed opening of 4,4-dimethyl-4a,5-epoxy-A-homocholestane derivatives
    1982, Vol. 47, Issue 9, pp. 2530–2539 [Abstract]
  • Zdenko Procházka, Miloš Buděšínský, Jorga Smolíková, Petr Trška and Karel Jošt
    1-Aminocyclopropanecarboxylic acid and its derivatives
    1982, Vol. 47, Issue 8, pp. 2291–2305 [Abstract]
  • Helena Velgová, Jorga Smolíková, Antonín Trka and Antonín Vítek
    Cyclopropyl→cyclobutyl rearrangement in intramolecular cyclization of 3,5-bridged B-secoandrostane-6,7(or 5,7)-diols and mass spectra of products
    1982, Vol. 47, Issue 8, pp. 2280–2290 [Abstract]
  • Helena Velgová and Antonín Trka
    Reaction of lithium aluminium hydride with 4,4-dimethyl-4a,5-epoxy-A-homocholestane derivatives and mass spectral fragmentation of some degradation products
    1982, Vol. 47, Issue 7, pp. 2007–2023 [Abstract]
  • Helena Velgová and Antonín Trka
    Epoxidation of 4,4-dimethyl-A-homo-4a-cholestene derivatives and a study of electron impact mass spectra of the epoxidation products
    1982, Vol. 47, Issue 1, pp. 315–337 [Abstract]
  • Zdenko Procházka, Jorga Smolíková, Petr Maloň and Karel Jošt
    Synthetic utilization of α-amino-γ-bromobutyric acid in the preparation of non-coded amino acids; IR study of homoserine
    1981, Vol. 46, Issue 11, pp. 2935–2946 [Abstract]
  • Jorga Smolíková, Jan Pospíšek and Karel Bláha
    Infrared spectra of N-acetyl-L-α-amino-acid N'-methylamides with aliphatic side chains in non-polar solvents
    1981, Vol. 46, Issue 3, pp. 772–780 [Abstract]
  • Otto Exner, Jorga Smolíková, Václav Jehlička and Ahmad S. Shawali
    Hydrogen bonding, configuration and conformation of substituted α-oxo oximes and hydrazones
    1979, Vol. 44, Issue 8, pp. 2494–2506 [Abstract]
  • Helena Velgová, Miroslava Synáčková and Václav Černý
    Preparation of some 3α,5-cycloandrostane derivatives with expanded ring B
    1979, Vol. 44, Issue 1, pp. 260–268 [Abstract]
  • Helena Velgová, Dietrich Zeigan, Günther Engelhardt and Antonín Trka
    Cyclization of 17-ethylenedioxy-3α,5-cyclo-6,7-seco-5α-androstane-6,7-diol
    1979, Vol. 44, Issue 1, pp. 128–144 [Abstract]
  • Jorga Smolíková and Karel Bláha
    Infrared spectroscopy of six-membered lactams substituted with the tert-butyl group
    1978, Vol. 43, Issue 10, pp. 2800–2811 [Abstract]
  • Božo Plesničar, Jorga Smolíková, Václav Jehlička and Otto Exner
    Dipole moment of the intramolecular hydrogen bond. Substituted α-hydroxyacetophenones
    1978, Vol. 43, Issue 10, pp. 2754–2762 [Abstract]