Collect. Czech. Chem. Commun. 1969, 34, 2459-2464
https://doi.org/10.1135/cccc19692459

A new synthesis of 9β-androst-4-ene-3,17-dione

K. Syhora, J. A. Edwards and A. D. Cross

Individual author index pages


Other CCCC articles of these authors

  • R. Míčková and K. Syhora
    Steroid derivatives. LXIX. Preparation of hydroxy analogues of the substances of 16-methyleneprogesterone series
    1971, Vol. 36, Issue 7, pp. 2517–2526 [Abstract]
  • J. Moural and K. Syhora
    Steroid derivatives. LXVIII. Reaction of azoimide with steroidal 4-en-3-ones
    1970, Vol. 35, Issue 7, pp. 2018–2029 [Abstract]
  • R. Mazáč and K. Syhora
    Steroid derivatives. LXVII. Dependence of alcoholysis of 6-halo-4-pregnen-3-ones on sterical factors
    1970, Vol. 35, Issue 5, pp. 1547–1557 [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]
  • A. Poláková and K. Syhora
    Steroid derivatives. LXIV. A synthesis and degradation of 6-methylsolasodine
    1969, Vol. 34, Issue 10, pp. 3118–3126 [Abstract]
  • V. Preininger, A. D. Cross, J. W. Murphy, F. Šantavý and T. Toube
    Isolation and chemistry of the alkaloids from some plants of the genus Papaver. XLV. On the constitution of the alkaloid orientalidine
    1969, Vol. 34, Issue 3, pp. 875–890 [Abstract]
  • R. Míčková and K. Syhora
    Steroid derivatives. LXII. An anomalous debromination of 5,6-dibromides of estrane series
    1969, Vol. 34, Issue 2, pp. 458–467 [Abstract]
  • R. Míčková, A. Kamernickij and K. Syhora
    Steroid derivatives. LXI. A synthesis of 17β-acetoxy-16-methylene-14β,17α-progesterone
    1969, Vol. 34, Issue 2, pp. 451–457 [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. Slavík, L. Dolejš, V. Hanuš and A. D. Cross
    Alkaloids of Papaveraceae. XL. Chelirubine, chelilutine, sanguirubine and sanguilutine. Mass and nuclear magnetic resonance spectra of benzophenanthridine alkaloids
    1968, Vol. 33, Issue 5, pp. 1619–1623 [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]
  • M. Maturová, H. Potěšilová, F. Šantavý, A. D. Cross, V. Hanuš and L. Dolejš
    Isolation and chemistry of the alkaloids from some plants of the genus Papaver. XXXVI. The structure of the alkaloids alpinine and alpinigenine isolated from Papaver alpinum L.
    1967, Vol. 32, Issue 1, pp. 419–425 [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]
  • H. Bočková and K. Syhora
    Über Steroid-Derivate XLIII. Olefinbildende Eliminierung der Amidogruppe
    1966, Vol. 31, Issue 9, pp. 3790–3799 [Abstract]
  • V. Preininger, A. D. Cross and F. Šantavý
    Isolation and chemistry of the alkaloids from some plants of the genus Papaver. XXXIII. On the constitution of latericine
    1966, Vol. 31, Issue 8, pp. 3345–3352 [Abstract]
  • K. Syhora and R. Mazáč
    Steroid derivatives. XLI. 16-Substituted 6-halogen-17α-hydroxyprogesterone derivatives
    1966, Vol. 31, Issue 7, pp. 2768–2783 [Abstract]
  • A. D. Cross and J. Slavík
    Glaucamine - Structure and relative stereochemistry at two centers
    1966, Vol. 31, Issue 3, pp. 1425–1427 [Abstract]
  • A. D. Cross, A. El-Hamidi, L. Pijewska and F. Šantavý
    Substances isolated from the plants of the subfamily Wurmbaeoideae and their derivatives. LXII. On the constitution of the alkaloid CC-12, isolated from Colchicum cornigerum (SWEINF.) TÄCKH. et DRAR.
    1966, Vol. 31, Issue 1, pp. 374–378 [Abstract]
  • F. Šantavý, J. L. Kaul, L. Hruban, L. Dolejš, V. Hanuš, K. Bláha and A. D. Cross
    Constitution of rhoeadine and isorhoeadine
    1965, Vol. 30, Issue 10, pp. 3479–3500 [Abstract]
  • J. Zachová and K. Syhora
    Steroid derivatives. XXXVII. The preparation of some 3-ethers of 1-methyl-Δ1,3,5(10)-estratriene series
    1965, Vol. 30, Issue 9, pp. 3207–3211 [Abstract]
  • R. Míčková and K. Syhora
    Steroid derivatives. XXXVI. The steric course of catalytic hydrogenation of the 16-methyl-Δ14,16-pregnadien-20-one grouping
    1965, Vol. 30, Issue 8, pp. 2771–2782 [Abstract]
  • A. D. Cross, L. Dolejš, V. Hanuš, M. Maturová and F. Šantavý
    Studies on the structure of the alkaloid muramine
    1965, Vol. 30, Issue 4, pp. 1335–1338 [Abstract]
  • F. Šantavý, J. L. Kaul, L. Hruban, L. Dolejš, V. Hanuš, K. Bláha and A. D. Cross
    Constitution of rhoeadine and isorhoeadine
    1965, Vol. 30, Issue 1, pp. 335–338 [Abstract]
  • R. Míčková and K. Syhora
    Steroid derivatives. XXXIII. The formation and structure of 16-methyl-Δ14,16- pregnadiene derivatives
    1964, Vol. 29, Issue 10, pp. 2513–2521 [Abstract]
  • K. Syhora and R. Mazáč
    Steroid derivatives. XXXI. A novel synthesis of 16-methylene-17α-acyloxy-20-ketopregnane derivatives
    1964, Vol. 29, Issue 10, pp. 2351–2359 [Abstract]
  • A. D. Cross, A. El-Hamidi, J. Hrbek, jr. and F. Šantavý
    Substances from the plants of the subfamily Wurmbaeoideae and their derivatives. LVIII. The constitution of cornigerine
    1964, Vol. 29, Issue 5, pp. 1187–1192 [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]
  • Z. Koblicová and K. Syhora
    Steroid derivatives. XXVI. On formation and structure of 16-methyl-Δ5,15-pregnadiene-3β,17α-diol-20-one
    1964, Vol. 29, Issue 5, pp. 1173–1177 [Abstract]
  • R. Míčková and K. Syhora
    Steroid derivatives. XXV. Partial synthesis of 16-methylenecortexolone
    1964, Vol. 29, Issue 5, pp. 1163–1172 [Abstract]
  • A. D. Cross, F. Šantavý and B. Trivedi
    Substances isolated from plants of the subfamily Wurmbaeoideae and their derivatives. LIV. Constitution of oxycolchicine
    1963, Vol. 28, Issue 12, pp. 3402–3412 [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]
  • K. Syhora
    Zur Dimerisierung der Angelicalactone
    1961, Vol. 26, Issue 8, pp. 2058–2062 [Abstract]
  • K. Syhora
    Steroid-Derivate IX. Partielle Synthese des 17α-Acetoxy-16-methylenprogesterons
    1961, Vol. 26, Issue 4, pp. 1034–1038 [Abstract]
  • K. Syhora
    Steroid derivatives. VIII. Synthesis of Reichstein's compound S
    1961, Vol. 26, Issue 4, pp. 1026–1033 [Abstract]
  • K. Syhora
    Dérivés des stéroides VI. Ouvertures anormales des cycles époxydiques dans les 16β-méthyl-16α,17α-époxy-20-cétopregnanes
    1961, Vol. 26, Issue 1, pp. 107–116 [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]
  • R. Lukeš and K. Syhora
    Über die Dimerisierung des α-Angelicalactons
    1954, Vol. 19, Issue 6, pp. 1205–1214 [Abstract]
  • R. Lukeš and K. Syhora
    Triaza-adamantane
    1953, Vol. 18, Issue 5, pp. 654–662 [Abstract]