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
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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
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