Collection of Czechoslovak Chemical Communications - digital archive 

Individual author index pages

• Helena Velgová
• Jaroslav Zajíček

Other CCCC articles of these authors

• Jaroslav Zajíček, Ivan Rosenberg, Radek Liboska, Zdeněk Točík, G. Victor Fazakerley, Wilhelm Guschlbauer and Antonín Holý
  Conformational Studies on Diribonucleoside Monophosphate Analogs Containing a Nonisosteric, Isopolar, Phosphonate-Based Internucleotide Linkage
  1997, Vol. 62, Issue 1, pp. 83–98 [Abstract]
• Jaroslav Zajíček, Jeffrey F. Ellena, Gerald D. Williams, Mohammad A. Khadim and Michael F. Brown
  Molecular Dynamics of Vesicles of Unsaturated Phosphatidylcholines Studied by ¹³C NMR Spin-Lattice Relaxation
  1995, Vol. 60, Issue 5, pp. 719–735 [Abstract]
• Luboš Arnold, Jiří Smrt, Jaroslav Zajíček, Günther Ott, Michael Schiesswohl and Mathias Sprinzl
  Dimethylaminomethylene protected purine H-phosphonates in the synthesis of biologically active RNA (24-mer)
  1991, Vol. 56, Issue 9, pp. 1948–1956 [Abstract]
• Alexander Kasal, Jenny Pokorná and Jaroslav Zajíček
  3β,11α,17-Trihydroxy-5-pregnen-20-one 11-hemisuccinate as a haptene for RIA of "17α-hydroxypregnenolone"
  1991, Vol. 56, Issue 6, pp. 1340–1347 [Abstract]
• Alexander Kasal, Jaroslav Podlaha and Jaroslav Zajíček
  A-homo-B,19-dinorandrostanes from 6β-methanesulfonyloxy-5-methyl-19-nor-5β-androst-9-ene derivatives
  1991, Vol. 56, Issue 5, pp. 1070–1086 [Abstract]
• Miroslav Ledvina, Jiří Farkaš, Jaroslav Zajíček, Jan Ježek and Milan Zaoral
  An alternative synthesis of O-(2-acetamido-2-deoxy-β-D-glucopyranosyl)-(1→4)-N-acetylnormuramoyl-L-α-aminobutanoyl-D-isoglutamine
  1989, Vol. 54, Issue 10, pp. 2784–2794 [Abstract]
• Alois Pískala, Naeem B. Hanna, Jaroslav Zajíček and Alois Čihák
  Synthesis, molecular conformation and biological activity of 6-amino-5-azacytidine
  1989, Vol. 54, Issue 9, pp. 2502–2512 [Abstract]
• Alexander Kasal and Jaroslav Zajíček
  Spontaneous transannular reaction in Δ⁹-unsaturated A-homo-B,19-dinorsteroids
  1989, Vol. 54, Issue 5, pp. 1327–1335 [Abstract]
• 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]
• Václav Černý, Jaroslav Zajíček and Miroslav Strnad
  2α,3α-Dihydroxy-7-oxa-6-oxo-B-homo-5α-pregnan-21-oic acid and its derivatives as brassinolide analogues
  1987, Vol. 52, Issue 1, pp. 215–222 [Abstract]
• Ivan Bašnák, Jiří Farkaš, Jaroslav Zajíček and Zdeněk Havlas
  Synthesis of anomeric 5-cyclopropyl-2'-deoxyuridines and ¹H NMR spectroscopic study of their conformation
  1986, Vol. 51, Issue 8, pp. 1764–1771 [Abstract]
• Alexander Kasal and Jaroslav Zajíček
  Solvolysis of Westphalen-type compounds
  1986, Vol. 51, Issue 7, pp. 1462–1475 [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]
• Ladislav Kohout, Vijay Kumar Sethi, Jaroslav Zajíček and Alexander Kasal
  Solvolytic reactions of empiric 3-methanesulfonyloxy-7-benzoyloxy-5β,6β-cyclopropanocholestanes
  1986, Vol. 51, Issue 2, pp. 436–446 [Abstract]
• Milena Masojídková, Jaroslav Zajíček, Miloš Buděšínský, Ivan Rosenberg and Antonín Holý
  Conformational study on ribonucleoside O-phosphonylmethyl derivatives by ¹H NMR spectroscopy
  1985, Vol. 50, Issue 8, pp. 1899–1905 [Abstract]
• Jiří Joska, Jan Fajkoš and Jaroslav Zajíček
  Synthesis of 3β,4β-cyclopropano-19-nor-A-homosteroids
  1985, Vol. 50, Issue 7, pp. 1611–1617 [Abstract]
• Jiří Závada, Václav Pechanec, Jaroslav Zajíček, Ivan Stibor and Antonín Vítek
  Effects of salt concentration and counterion on stability of alkali ion-18-crown-6 complexes in aqueous and methanolic solution: A conflicting evidence from potentiometric and sodium-23 NMR studies
  1985, Vol. 50, Issue 5, pp. 1184–1193 [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]
• Ladislav Kohout and Jaroslav Zajíček
  Lead tetraacetate oxidation of 3β-acetoxy-B-homo-5α-cholestan-7aβ-ol
  1984, Vol. 49, Issue 1, pp. 301–305 [Abstract]
• Jaroslav Zajíček, Miloš Buděšínský and Jiří Farkaš
  Conformational study of blocked pentofuranoses and their 1,5-anhydro derivatives by ¹H NMR spectroscopy
  1984, Vol. 49, Issue 1, pp. 235–243 [Abstract]
• Helena Velgová
  4,4-Dimethyl-A-homoandrostane epoxides
  1984, Vol. 49, Issue 1, pp. 150–156 [Abstract]
• Jiří Joska, Jan Fajkoš and Jaroslav Zajíček
  Bromination of 19-acetoxy-4β,5-cyclopropano-5β-cholestan-3-one
  1983, Vol. 48, Issue 12, pp. 3474–3481 [Abstract]
• Jan Fajkoš, Jiří Joska and Jaroslav Zajíček
  The bromination of the epimeric 4,5-cyclopropanocholestan-3-ones
  1983, Vol. 48, Issue 12, pp. 3455–3473 [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]
• 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]
• Helena Velgová and Jorga Smolíková
  4,4-Dimethyl-A-homocholestane derivatives
  1981, Vol. 46, Issue 3, pp. 607–625 [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]