Collection of Czechoslovak Chemical Communications - digital archive 

Individual author index pages

• S. Heřmánek
• V. Schwarz
• Z. Čekan

Other CCCC articles of these authors

• J. Plešek, S. Heřmánek and Z. Janoušek
  The synthesis and structure of the heteroboranes 6,8-S₂B₇H₉ and 6,8-CSB₇H₁₁
  1977, Vol. 42, Issue 3, pp. 785–792 [Abstract]
• J. Plešek, S. Heřmánek, K. Baše, Lee J. Todd and W. F. Wright
  Zwitterionic compounds of the 8,8'-X(C₂B₉H₁₀)₂Co series with monoatomic O, S, Se, Te, N bridges between carborane ligands
  1976, Vol. 41, Issue 12, pp. 3509–3515 [Abstract]
• S. Heřmánek, V. Gregor, B. Štíbr, J. Plešek, Z. Janoušek and V. A. Antonovich
  Antipodal and vicinal shift effects in ¹¹B, ¹³C, and ¹H NMR spectra of substituted dicarba-closo-dodecarboranes(12)
  1976, Vol. 41, Issue 5, pp. 1492–1499 [Abstract]
• Z. Plzák, B. Štíbr, J. Plešek and S. Heřmánek
  Synthesis of fluorophenyl and 3-fluorobenzyl derivatives of decarborane and the electron properties of 5- and 6-decaboranyl groups
  1975, Vol. 40, Issue 12, pp. 3602–3607 [Abstract]
• S. Heřmánek, H. Plotová and J. Plešek
  On the acidity characteristics of decaborane(14) and its benzyl derivatives in organic solvent-water systems
  1975, Vol. 40, Issue 12, pp. 3593–3601 [Abstract]
• Z. Janoušek, S. Heřmánek, J. Plešek and B. Štíbr
  Tetracarba-dinido-docosaborane (C₄B₁₈H₂₂), A new type of carborane, its chemistry and structure
  1974, Vol. 39, Issue 9, pp. 2363–2373 [Abstract]
• B. Štíbr, J. Plešek and S. Heřmánek
  Synthesis of 6,9-dicarba-nido-decaborane(14) from 5,6-dicarba-nido-decaborane(12)
  1974, Vol. 39, Issue 7, pp. 1805–1809 [Abstract]
• J. Plešek and S. Heřmánek
  Oxidation of 7,8-dicarba-nido-undecaborate to 5,6-dicarba-nido-decaborane(12) and its dehydrogenation to 1,2-dicarba-closo-decaborane(10)
  1974, Vol. 39, Issue 3, pp. 821–826 [Abstract]
• F. Hanousek, B. Štíbr, S. Heřmánek and J. Plešek
  Chemistry of boranes. XXXI. Infrared spectra of decaborane and its deuterio derivatives
  1973, Vol. 38, Issue 5, pp. 1312–1320 [Abstract]
• B. Štíbr, J. Plešek and S. Heřmánek
  Chemistry of boranes. XXX. Some reactions of 5,6-dicarba-nido-decaborane(12)
  1973, Vol. 38, Issue 2, pp. 338–342 [Abstract]
• S. Heřmánek, J. Plešek, B. Štíbr, Z. Janoušek and T. Hanslík
  Chemistry of boranes. XXVIII. Hydrogenation of 6,9-bis(dialkyl sulfide)decaborane to the parent decaborane
  1972, Vol. 37, Issue 12, pp. 4001–4004 [Abstract]
• V. Schwarz
  Steroid derivatives. LXXIV. Cleavage of steroid (16S)-spiro-[16,2']-oxirans of 20-pregnanone series with hydrogen bromide
  1972, Vol. 37, Issue 12, pp. 3909–3917 [Abstract]
• J. Plešek, T. Hanslík, F. Hanousek and S. Heřmánek
  Chemistry of boranes. XXVII. Lewis acidity of some substituted 1,2-dicarba-closo-dodecaboranes
  1972, Vol. 37, Issue 10, pp. 3403–3409 [Abstract]
• F. Hanousek, B. Štíbr, S. Heřmánek, J. Plešek, A. Vítek and F. Haruda
  Chemistry of boranes. XXVI. Infrared spectra of monosubstituted decaboranes
  1972, Vol. 37, Issue 9, pp. 3001–3009 [Abstract]
• B. Štíbr, J. Plešek and S. Heřmánek
  Chemistry of boranes. XXV. Reactions of bis- and mono-ligando derivatives of decaborane with hydrogen halides
  1972, Vol. 37, Issue 8, pp. 2696–2700 [Abstract]
• V. Schwarz and J. Protiva
  Steroid derivatives. LXXIII. Hydroxylation of substances of pregnane series with Coniosporium rhizophilum (PREUSS)
  1972, Vol. 37, Issue 5, pp. 1577–1584 [Abstract]
• V. Schwarz
  Steroid derivatives. LXXII. Formation and reactions of steroid 16-spiro-2'-oxirans
  1972, Vol. 37, Issue 2, pp. 637–645 [Abstract]
• V. Schwarz, J. Protiva and J. Martínková
  Steroid derivatives. LXX. Microbial hydroxylation of 17α,21-dihydroxy-16-methylene-4-pregnene-3,20-dione
  1971, Vol. 36, Issue 10, pp. 3455–3462 [Abstract]
• B. Štíbr, J. Plešek, F. Hanousek and S. Heřmánek
  Chemistry of boranes. XXIII. Reaction of 6,9-bis(dialkylsulfido)dodecahydrodecaboranes with mercuric salts
  1971, Vol. 36, Issue 5, pp. 1794–1799 [Abstract]
• S. Heřmánek and H. Plotová
  Chemistry of boranes. XXII. The acidity of boranes
  1971, Vol. 36, Issue 4, pp. 1639–1643 [Abstract]
• S. Heřmánek and J. Plešek
  Chemistry of boranes. XXI. Resolution of iso-octadecaborane to optical enantiomers
  1970, Vol. 35, Issue 8, pp. 2488–2493 [Abstract]
• V. Schwarz, P. Pihera and K. Syhora
  Steroid derivatives. LXVI. The synthesis of 17α-acetoxy-16-methylene analogues of the 19-norprogesterone series
  1970, Vol. 35, Issue 5, pp. 1536–1546 [Abstract]
• J. Plešek, V. Gregor and S. Heřmánek
  Chemistry of boranes. XX. Optical isomerism in the o-carborane series
  1970, Vol. 35, Issue 1, pp. 346–349 [Abstract]
• J. Plešek, S. Heřmánek and B. Štíbr
  Chemistry of boranes. XIX. A rearrangement of the borane skeleton by nucleophilic replacement of substituents
  1970, Vol. 35, Issue 1, pp. 344–346 [Abstract]
• J. Stuchlík, S. Heřmánek, J. Plešek and B. Štíbr
  Chemistry of boranes. XVIII. A preparative separation of halogenodecaboranes. The isolation of 1-, 2-, 5-, and 6-bromotridecahydrodecaboranes
  1970, Vol. 35, Issue 1, pp. 339–343 [Abstract]
• B. Štíbr, J. Plešek and S. Heřmánek
  Chemistry of boranes. XVII. The sequential bromination and alcoholysis of B₉ and B₁₀ addition compounds
  1969, Vol. 34, Issue 11, pp. 3241–3247 [Abstract]
• J. Plešek, S. Heřmánek and B. Štíbr
  Chemistry of boranes. XVI. Optical isomerism in the decaborane series
  1969, Vol. 34, Issue 11, pp. 3233–3240 [Abstract]
• I. Bartošek and Z. Čekan
  Oxidation of 17β-hydroxyandrostane derivatives by 17β-hydroxysteroid dehydrogenase from guinea-pig liver
  1969, Vol. 34, Issue 6, pp. 1829–1831 [Abstract]
• B. Štíbr, J. Plešek and S. Heřmánek
  Chemistry of boranes. XV. Synthesis, properties, reactions and mechanism of formation of 5(6)-halogenotridecahydrodecaboranes
  1969, Vol. 34, Issue 1, pp. 194–205 [Abstract]
• V. Schwarz, J. Zachová and K. Syhora
  Steroid derivatives. LVIII. Synthesis of 17α-acetoxy-16-methylene-19-norpregn-4-ene-3,20-dione
  1968, Vol. 33, Issue 12, pp. 4337–4349 [Abstract]
• J. Plešek, S. Heřmánek and B. Štíbr
  Synthesis of (+)-1,3,3-trimethyl-6-thia[2,2,2]bicyclooctane
  1968, Vol. 33, Issue 7, pp. 2336–2338 [Abstract]
• S. Heřmánek, J. Plešek, B. Štíbr and F. Hanousek
  Chemistry of boranes. XIV. New method of preparation of compounds of the B₉H₁₃L type; Mechanism of solvolytic degradation of boranes and their derivatives
  1968, Vol. 33, Issue 7, pp. 2177–2190 [Abstract]
• S. Heřmánek, V. Gregor and J. Plešek
  Chemistry of boranes. XII. Chromatography of o-carboranes on a silica gel layer
  1968, Vol. 33, Issue 5, pp. 1609–1611 [Abstract]
• V. Gregor, S. Heřmánek and J. Plešek
  Chemistry of boranes. XI. Preparation of 1-ethoxy-o-carborane
  1968, Vol. 33, Issue 3, pp. 980–983 [Abstract]
• B. Štíbr, S. Heřmánek, J. Plešek and J. Stuchlík
  Chemistry of boranes. IX. Reaction of diborane with diisopropyl ether
  1968, Vol. 33, Issue 3, pp. 976–979 [Abstract]
• J. Plešek, S. Heřmánek and F. Hanousek
  Chemistry of boranes. X. Novel stable borane B₁₆H₂₀
  1968, Vol. 33, Issue 3, pp. 699–705 [Abstract]
• J. Plešek, S. Heřmánek and B. Štíbr
  Chemistry of boranes. VIII. Synthesis and reactions of 6,6'-oxido-bis-tridecahydrodecaborane
  1968, Vol. 33, Issue 3, pp. 691–698 [Abstract]
• J. Protiva, V. Schwarz and K. Syhora
  Steroid derivatives. LIII. Substrate specificity of Flavobacterium buccalis in microbial transformation of derivatives of 3β-hydroxypregn-5-en-20-one
  1968, Vol. 33, Issue 1, pp. 83–91 [Abstract]
• J. Plešek, S. Heřmánek, B. Štíbr and F. Hanousek
  Chemistry of boranes. VII. A new synthesis of borane B₁₈H₂₂; An application of three-center bonds theory on the interpretation of reaction mechanisms
  1967, Vol. 32, Issue 3, pp. 1095–1103 [Abstract]
• J. Plešek, B. Štíbr and S. Heřmánek
  Chemistry of boranes. VI. The reaction of bis-dialkylsulphido-dodecahydrodecaboranes with hydrohalogens. General preparation of 6- (or 5-)halogentridecahydrodecaboranes
  1966, Vol. 31, Issue 12, pp. 4744–4745 [Abstract]
• V. Schwarz, J. Martínková, J. Protiva and K. Syhora
  Steroid-Derivate XLVI. Mikrobielle 7β,11α-Dihydroxylierung der Steroide
  1966, Vol. 31, Issue 12, pp. 4703–4709 [Abstract]
• T. Hanslík, J. Plešek and S. Heřmánek
  Chemistry of boranes. V. Reaction between boron trichloride and sodium aluminium hydride
  1966, Vol. 31, Issue 11, pp. 4215–4220 [Abstract]
• J. Plešek and S. Heřmánek
  Chemistry of boranes. IV. On preparation, properties, and behavior towards Lewis bases of magnesium borohydride
  1966, Vol. 31, Issue 10, pp. 3845–3858 [Abstract]
• J. Plešek and S. Heřmánek
  On synthesis and properties of magnesium aluminium hydride
  1966, Vol. 31, Issue 8, pp. 3060–3067 [Abstract]
• Z. Čekan, M. Tichá and I. Bartošek
  Hydrolysis of esters of androstane derivatives by rat liver homogenate relationship between the rate of hydrolysis and structure
  1966, Vol. 31, Issue 5, pp. 2068–2072 [Abstract]
• S. Heřmánek and J. Plešek
  Chemistry of boranes. III. Relationship between structure and chromatographic behaviour of boranes and their addition compounds with Lewis bases
  1966, Vol. 31, Issue 5, pp. 1975–1984 [Abstract]
• S. Heřmánek, J. Plešek and V. Gregor
  Chemistry of boranes. II. Thin layer chromatography of non-ionic boron compounds
  1966, Vol. 31, Issue 3, pp. 1281–1287 [Abstract]
• S. Heřmánek and J. Plešek
  Chemie der Borhydride I. Herstellung von Magnesiumoktahydrotriboraten
  1966, Vol. 31, Issue 1, pp. 177–189 [Abstract]
• V. Schwarz and S. Heřmánek
  Steroid derivatives. XXXII. Additive character of the influence of 3β- and 17β-substituents on bromine addition to 3β-, 17β-disubstituted Δ⁵-androstenes
  1964, Vol. 29, Issue 10, pp. 2360–2368 [Abstract]
• H. Bočková, J. Holubek and Z. Čekan
  Inhaltsstoffe des Ölbaums (Olea europea L.)
  1964, Vol. 29, Issue 6, pp. 1484–1491 [Abstract]
• H. Bočková, V. Schwarz and K. Syhora
  Steroid derivatives. XXVII. On some unusual reactions of 16β-bromo-Δ⁵-pregnene-3β,17α-diol-20-one
  1964, Vol. 29, Issue 5, pp. 1178–1186 [Abstract]
• J. Trojánek, O. Štrouf, J. Holubek and Z. Čekan
  Über Alkaloide IX. Über die Struktur von Vincamin
  1964, Vol. 29, Issue 2, pp. 433–446 [Abstract]
• J. Pitra, J. Reichelt and Z. Čekan
  Methoden zur Trennung von Naturstoffen X. Adsorptionseigenschaften von hydratisiertem Silikagel
  1963, Vol. 28, Issue 11, pp. 3072–3078 [Abstract]
• J. Pitra and Z. Čekan
  Methoden zur Trennung von Naturstoffen VIII. Ableitung von Systemen für die Gegenstromverteilung
  1963, Vol. 28, Issue 9, pp. 2303–2309 [Abstract]
• S. Heřmánek, V. Schwarz and Z. Čekan
  Methoden zur Trennung von Naturstoffen VII. Beziehung zwischen Substanz und Lösungsmittel bei der Chromatographie an Aluminiumoxyd
  1963, Vol. 28, Issue 8, pp. 2031–2039 [Abstract]
• V. Procházka, Z. Čekan and R. B. Bates
  On terpenes. CLI. Structure of globicin, a guaianolide from Matricaria globifera (THUNB.) DRUCE
  1963, Vol. 28, Issue 5, pp. 1202–1210 [Abstract]
• V. Schwarz and K. Syhora
  Steroid-Derivate XXIII. Über die Reaktion von Epoxyden mit wässrigen Halogenwasserstoffsäuren
  1963, Vol. 28, Issue 3, pp. 637–643 [Abstract]
• V. Schwarz and K. Syhora
  Steroid-Derivative XXII. Chromatographie polarer Steroide an einer Aluminiumoxydschicht
  1963, Vol. 28, Issue 1, pp. 101–106 [Abstract]
• J. Pitra, J. Moural and Z. Čekan
  Herzwirksame Glykoside V. Reaktion der 14,16β-Dihydroxycardenolide mit Thionylchlorid und Konstitutionsnachweis von 16β-Hydroxystrophanthidin (Strophadogenin)
  1962, Vol. 27, Issue 12, pp. 2985–2988 [Abstract]
• J. Trojánek, O. Štrouf, K. Kavková and Z. Čekan
  Über Alkaloide VI. Vincaminin und Vincinin, zwei neue Alkaloide aus Vinca minor L.
  1962, Vol. 27, Issue 12, pp. 2801–2807 [Abstract]
• V. Schwarz, S. Heřmánek and J. Trojánek
  Steroid-Derivate XX. Einfluss des 17β-Substituenten auf die Brom-Additionsgeschwindigkeit an 3β-Acetoxy-Δ⁵-androsten-Derivate
  1962, Vol. 27, Issue 12, pp. 2778–2783 [Abstract]
• V. Schwarz
  Steroid-Derivate XVIII. Selektiver Schutz der Hydroxylgruppen in Steroid-Verbindungen durch die Trichloracetoxygruppe
  1962, Vol. 27, Issue 11, pp. 2567–2574 [Abstract]
• B. Pelc and S. Heřmánek
  Steroid-Derivate XV. Dehydrobromierungsversuche an 6-Brom-7-ketocholan-derivaten
  1962, Vol. 27, Issue 9, pp. 2223–2226 [Abstract]
• P. Horák, J. Holubek, V. Bumba and Z. Čekan
  Methoden zur Trennung von Naturstoffen V. Bestimmung von Morphin in Mohnkapselextrakten
  1962, Vol. 27, Issue 4, pp. 1037–1042 [Abstract]
• Z. Čekan, J. Pitra and V. Procházka
  Separation methods for natural products. II. Enriched diamond separation and double withdrawal
  1962, Vol. 27, Issue 4, pp. 832–842 [Abstract]
• V. Procházka, J. Pitra and Z. Čekan
  Separation methods for natural products. I. New countercurrent distribution procedure
  1962, Vol. 27, Issue 4, pp. 823–831 [Abstract]
• J. Trojánek, H. Komrsová, J. Pospíšek and Z. Čekan
  Über N-Alkylcamphidine
  1961, Vol. 26, Issue 11, pp. 2921–2932 [Abstract]
• J. Trojánek, J. Pospíšek and Z. Čekan
  Über Alkylderivate der stereoisomeren 2-Aminocamphane
  1961, Vol. 26, Issue 10, pp. 2602–2611 [Abstract]
• V. Schwarz
  Über Steroid-Derivate XIV. Darstellung von Methylandrostendiol-Derivaten mit einer Sauerstoffunktion in Stellung 7
  1961, Vol. 26, Issue 8, pp. 1958–1966 [Abstract]
• B. Pelc, S. Heřmánek and J. Holubek
  Über Steroid-Derivate XIII. Zur Dehydrobromierung von 2,4-Dibrom-3-keto-5α-androstan-derivaten in Dimethylformamid
  1961, Vol. 26, Issue 7, pp. 1852–1861 [Abstract]
• S. Heřmánek, V. Schwarz and Z. Čekan
  Steroidderivate XII. Chromatographie neutraler Steroide an einer dünnen Aluminiumoxydschicht
  1961, Vol. 26, Issue 6, pp. 1669–1679 [Abstract]
• J. Pitra and Z. Čekan
  Herzwirksame Glykoside III. Cardenolide des Adonisröschens (Adonis vernalis L.)
  1961, Vol. 26, Issue 6, pp. 1551–1558 [Abstract]
• V. Schwarz, S. Heřmánek and J. Trojánek
  Steroid derivatives. XI. The effect of 3β-substituents on the rate of bromine addition to derivatives of Δ⁵-cholestene
  1961, Vol. 26, Issue 5, pp. 1438–1442 [Abstract]
• V. Schwarz
  Steroid-Derivate X. Über die Darstellung von 5α-Pregnan-3β,16α-diol-20-on
  1961, Vol. 26, Issue 4, pp. 1207–1209 [Abstract]
• J. Trojánek, K. Kavková, O. Štrouf and Z. Čekan
  Über Alkaloide IV. Über die Isolierung von Vincin, eines neuen Alkaloids aus Vinca minor L.
  1961, Vol. 26, Issue 3, pp. 867–873 [Abstract]
• V. Schwarz and J. Trojánek
  Über Steroid-Derivate VIII. Quantitative Bestimmung der Doppelbindung in einigen Steroid-Verbindungen
  1961, Vol. 26, Issue 1, pp. 117–125 [Abstract]
• Z. Čekan, V. Procházka, V. Herout and F. Šorm
  On terpenes. CXV. Isolation of globicin, a guaianolide from Matricaria globifera (THUNB.) DRUCE
  1960, Vol. 25, Issue 10, pp. 2553–2558 [Abstract]
• J. Trojánek, O. Štrouf, K. Kavková and Z. Čekan
  Über Alkaloide III. Neue Alkaloide aus immergrün Vinca minor L.
  1960, Vol. 25, Issue 8, pp. 2045–2048 [Abstract]
• S. Heřmánek and K. Syhora
  Steroid-Derivate IV. Spaltung von 16-Acyloxypregnan-20-onen mit Natriumhydrid
  1960, Vol. 25, Issue 3, pp. 743–747 [Abstract]
• J. Piťha, S. Heřmánek and J. Vít
  Über die Reduktion der Carbonsäuren und ihrer Derivate mit Natriumaluminiumhydrid
  1960, Vol. 25, Issue 3, pp. 736–742 [Abstract]
• S. Heřmánek
  Über Pyridinhomologe IV. 3,5-Dialkylpyridine
  1959, Vol. 24, Issue 8, pp. 2748–2753 [Abstract]
• V. Schwarz, V. Černý and F. Šorm
  On steroids. XXXVII. Preparation of methyl 3β,16α-diaetoxybisnorallocholanate and its 20-epimer. A novel synthesis of the side chain of steroidal bisnor-acids
  1959, Vol. 24, Issue 6, pp. 1851–1859 [Abstract]
• R. Lukeš, V. Heřmánková and S. Heřmánek
  Über die Alkylierung von Methylen-bis-malonsäureäthylester
  1959, Vol. 24, Issue 5, pp. 1695–1701 [Abstract]
• Z. Čekan, V. Procházka, V. Herout and F. Šorm
  On terpenes. CI. Isolation and constitution of matricarin, another guaianolide from camomile (Matricaria chamomilla L.)
  1959, Vol. 24, Issue 5, pp. 1554–1557 [Abstract]
• S. Heřmánek and J. Staněk
  Eine neue Synthese von Homoisovanillin
  1959, Vol. 24, Issue 4, pp. 1366–1368 [Abstract]
• J. Pitra, H. Kolářová and Z. Čekan
  Ein neues System für die Papierchromatographie kardiotonischer Glykoside
  1959, Vol. 24, Issue 3, pp. 1011–1013 [Abstract]
• J. Trojánek, J. Hoffmannová, O. Štrouf and Z. Čekan
  Vincaminorin, ein neues Alkaloid des Immergrüns (Vinca minor L.)
  1959, Vol. 24, Issue 2, pp. 526–529 [Abstract]
• V. Schwarz, V. Černý and F. Šorm
  Über Steroide XXX. Synthese der 3β-Acetoxy-16α-hydroxyalloätiansäure
  1958, Vol. 23, Issue 5, pp. 940–945 [Abstract]
• Z. Čekan, V. Herout and F. Šorm
  Über Terpene LXXX. Die Struktur von Matricin, ein Guajanolid aus der Kamille (Matricaria chamomilla L.)
  1957, Vol. 22, Issue 6, pp. 1921–1929 [Abstract]
• S. Heřmánek and J. Trojánek
  Synthese von trans-Δ^6,7-Oktahydroisochinolin
  1957, Vol. 22, Issue 4, pp. 1157–1161 [Abstract]
• Z. Čekan and V. Herout
  Über Pflanzenstoffe IV. Die Isolierung von 5-Oxy-3,6,7,3',4'-pentamethoxyflavon aus Wermut (Artemisia absinthium L.)
  1956, Vol. 21, Issue 1, pp. 79–83 [Abstract]
• J. Staněk and V. Schwarz
  Über eine neue Synthese der 2-Desoxy-D-glucose
  1955, Vol. 20, Issue 1, pp. 42–45 [Abstract]
• Z. Čekan, V. Herout and F. Šorm
  On terpenes. LXII. Isolation and properties of the pro-chamazulene from Matricaria chamomilla L., A further compound of the guaianolide group
  1954, Vol. 19, Issue 4, pp. 798–804 [Abstract]
• F. Šorm, Z. Čekan, V. Herout and H. Rašková
  Isolation of spasmolytically active substance from Matricaria chamomilla L.
  1953, Vol. 18, Issue 1, pp. 127–130 [Abstract]