Collect. Czech. Chem. Commun. 1974, 39, 982-992
https://doi.org/10.1135/cccc19740982

Microbial oxygenation of 6β-hydroxy-3α,5-cyclo-5α-androstan-17-one with Rhizopus nigricans

Ž. Procházka, M. Buděšínský and P. Prekajski

Individual author index pages


Other CCCC articles of these authors

  • J. Protiva, M. Buděšínský and A. Vystrčil
    Unusual course of photolysis of 3β-acetoxy-28-nitrosyloxylupane. Synthesis of triterpenic N-oxides and hydroxamic acids
    1977, Vol. 42, Issue 4, pp. 1220–1228 [Abstract]
  • Pavel Kočovský and Ž. Procházka
    The synthesis of pregnane derivatives with an aromatic B-ring
    1977, Vol. 42, Issue 2, pp. 553–559 [Abstract]
  • V. Černý, A. Trka, J. Kohoutová, J. Smolíková and M. Buděšínský
    Base-catalyzed autoxidation of 3α,5-cyclo-5α-cholestan-6-one and 3α,5-cyclo-5α-cholestan-7-one
    1976, Vol. 41, Issue 9, pp. 2788–2811 [Abstract]
  • I. Frič, M. Buděšínský, F. Brtník and M. Zaoral
    The conformation of C-terminal tripeptides of neurohypophysial hormones. Proton magnetic resonance and circular dichroic studies
    1976, Vol. 41, Issue 6, pp. 1704–1713 [Abstract]
  • J. Klinot, M. Hořejší, M. Buděšínský and A. Vystrčil
    Conformation of the ring A in 2,3-disubstituted 24-nortriterpenes and the stereochemistry of the opening of 2β,3β-epoxides
    1975, Vol. 40, Issue 12, pp. 3712–3727 [Abstract]
  • T. Trnka, M. Černý, M. Buděšínský and J. Pacák
    The synthesis of 3-amino-3-deoxy-D-glucose (kanosamine) and its 1,6-anhydro derivative conformation of amino derivatives of 1,6-anhydro-β-D-hexopyranoses
    1975, Vol. 40, Issue 10, pp. 3038–3045 [Abstract]
  • M. Černý, O. Juláková, J. Pacák and M. Buděšínský
    Isomerization of 2-amino-1,6 : 3,4-dianhydro-2-deoxy-β-D-galactopyranose to 1,6-anhydro-2,3-dideoxy-2,3-epimino-β-D-gulopyranose in alkaline medium
    1975, Vol. 40, Issue 7, pp. 2116–2119 [Abstract]
  • A. Vystrčil, V. Křeček and M. Buděšínský
    Photooxidation of (20R)- and (20S)-29-lupanol derivatives
    1975, Vol. 40, Issue 5, pp. 1593–1603 [Abstract]
  • J. Klinot, M. Buděšínský, M. Kliment, S. Hilgard and A. Vystrčil
    Conformation of ring A of 1,2-disubstituted triterpenes. Geometry and stability of the boat form
    1975, Vol. 40, Issue 5, pp. 1426–1440 [Abstract]
  • A. Kasal and M. Buděšínský
    Reaction of 5-bromo-6β-chloro-5α-cholestan-3β-ol with silver salts
    1975, Vol. 40, Issue 4, pp. 1231–1239 [Abstract]
  • J. Klinot, M. Buděšínský, S. Hilgard and A. Vystrčil
    The effect of 8β-methyl group on the conformation of the ring of a 2,3-disubstituted triterpenes
    1974, Vol. 39, Issue 12, pp. 3741–3755 [Abstract]
  • A. Vystrčil, V. Křeček and M. Buděšínský
    Elimination reaction of the angular hydroxymethyl group of the lupane skeleton
    1974, Vol. 39, Issue 11, pp. 3131–3143 [Abstract]
  • K. Jošt, Ž. Procházka, J. H. Cort, T. Barth, J. Škopková, Z. Prusík and F. Šorm
    Synthesis and some biological activities of analogues of deamino-vasopressin with the disulphide bridge altered to a thioether bridge
    1974, Vol. 39, Issue 10, pp. 2835–2856 [Abstract]
  • L. Eignerová and Ž. Procházka
    Resolution of racemic 3-methoxy-14α-hydroxy-D-homo-1,3,5(10)-estratrien-17a-one
    1974, Vol. 39, Issue 10, pp. 2828–2834 [Abstract]
  • M. Černý, M. Kollmann, J. Pacák and M. Buděšínský
    Preparation of branched-chain hexoses by reaction of 1,6-anhydro-2,4-di-O-p-toluenesulfonyl-β-D-hexopyranos-3-uloses with Grignard reagents
    1974, Vol. 39, Issue 9, pp. 2507–2519 [Abstract]
  • A. Vystrčil, V. Křeček and M. Buděšínský
    Elimination reactions on angular hydroxymethyl group of the lupane skeleton
    1974, Vol. 39, Issue 9, pp. 2494–2506 [Abstract]
  • J. Joska, J. Fajkoš and M. Buděšínský
    Synthesis of 4,5-cyclo-A-homo-B-norcholestane derivatives
    1974, Vol. 39, Issue 7, pp. 1914–1924 [Abstract]
  • Pavel Kočovský and Ž. Procházka
    The synthesis of androstane derivatives with an aromatic B-ring
    1974, Vol. 39, Issue 7, pp. 1905–1913 [Abstract]
  • I. Frič, M. Kodíček, Ž. Procházka, K. Jošt and K. Bláha
    Synthesis and circular dichroism of some analogues of deamino-1-carba-oxytocin with modifications of the amino-acid residue in position 2
    1974, Vol. 39, Issue 5, pp. 1290–1302 [Abstract]
  • L. Eignerová and Ž. Procházka
    Biological transformation of 17α,21-dihydroxy-4-pregnene-3,20-dione with fruit-body slices of some mushrooms
    1974, Vol. 39, Issue 1, pp. 307–309 [Abstract]
  • J. Pacák, P. Drašar, D. Štropová, M. Černý and M. Buděšínský
    Syntheses with anhydro sugars. XVIII. Aminodideoxyfluorine derivatives of D-glucose
    1973, Vol. 38, Issue 12, pp. 3936–3939 [Abstract]
  • Pavel Kočovský, K. K. Košoev and Ž. Procházka
    On Steroids. CLXI. The synthesis of some new steroid glucosides
    1973, Vol. 38, Issue 11, pp. 3273–3278 [Abstract]
  • Nguyen Gia Chan and Ž. Procházka
    On steroids. CLVII. Saponification of esters of steroid acids and some other esters by potato tuber slicer and some other plant tissues
    1973, Vol. 38, Issue 8, pp. 2288–2295 [Abstract]
  • J. Vičar, M. Buděšínský and K. Bláha
    Amino acids and peptides. CXIV. Proton magnetic reasonance studies of cyclodipeptides containing pipecolic acid, proline and/or 2-azetidinecarboxylic acid
    1973, Vol. 38, Issue 7, pp. 1940–1956 [Abstract]
  • J. Fajkoš, M. Buděšínský and J. Joska
    On steroids. CLIII. 5,7-Cyclosteroids. VII. The epimeric 1,2-epoxides of the 5,7β-cyclosteroid series
    1973, Vol. 38, Issue 5, pp. 1406–1414 [Abstract]
  • J. Joska, Ž. Procházka, J. Fajkoš and F. Šorm
    On steroids. CLII. Microbial oxygenation of B-norsteroids
    1973, Vol. 38, Issue 5, pp. 1398–1405 [Abstract]
  • K. Jošt, T. Barth, I. Krejčí, L. Fruhaufová, Ž. Procházka and F. Šorm
    Amino acids and peptides. CXIII. Carba1-oxytocin: Synthesis and some of its biological properties
    1973, Vol. 38, Issue 4, pp. 1073–1083 [Abstract]
  • V. Černý, M. Buděšínský and F. Šorm
    On steroids. CXLVIII. Reactions and stereochemistry of some 2-oxygenated A-homo-5α-cholestane derivatives
    1973, Vol. 38, Issue 2, pp. 565–574 [Abstract]
  • K. Waisser, M. Buděšínský, A. Vítek and A. Vystrčil
    Triterpenes. XXVII. Conformational analysis of the A-cycle of 1,3-dihydroxy derivatives of pentacyclic triterpenoids
    1972, Vol. 37, Issue 11, pp. 3652–3659 [Abstract]
  • L. Blažek, M. Arient, M. Buděšínský, H. Kovaříková, L. Buřič and Z. Dienstbier
    Estimation of pyrimidine deoxyribonucleosides in urine
    1972, Vol. 37, Issue 6, pp. 1933–1937 [Abstract]
  • J. Klinot, M. Buděšínský and A. Vystrčil
    Triterpenes. XXIV. Migration of the side chain during the acid catalysed isomerisation of unsaturated 3,4-seco derivatives
    1972, Vol. 37, Issue 4, pp. 1356–1370 [Abstract]
  • Ž. Procházka, K. Jošt and F. Šorm
    Amino acids and peptides. CV. Synthesis of deamino-[1,6-homolanthionine]-oxytocin, an analog of deamino-oxytocin with enlarged ring, lacking the disulfide bond
    1972, Vol. 37, Issue 1, pp. 289–298 [Abstract]
  • Ž. Procházka
    On steroids. CXXXIII. Glucosylation of steroids by potato tuber slices; Structural requirements
    1971, Vol. 36, Issue 1, pp. 132–142 [Abstract]
  • Ž. Procházka and Nguyen Gia Chan
    On steroids. CXXIX. Contribution to the biological side chain reduction of progesterone
    1970, Vol. 35, Issue 7, pp. 2209–2212 [Abstract]
  • A. Vystrčil and M. Buděšínský
    Triterpenes. XVII. Preparation of new 19αH-lupane derivatives
    1970, Vol. 35, Issue 1, pp. 312–320 [Abstract]
  • A. Vystrčil and M. Buděšínský
    Triterpenes. XVI. Unusual epimerisation of the C(19)-acetyl group of 20-oxo-30-norlupane derivatives
    1970, Vol. 35, Issue 1, pp. 295–311 [Abstract]
  • Ž. Procházka
    On steroids. CXIX. Transformation of steroids with plant material; Glucosidation of dehydroepiandrosterone
    1968, Vol. 33, Issue 12, pp. 4039–4046 [Abstract]
  • Ž. Procházka and V. Šašek
    On steroids. CIII. Transformation of steroids with slices of fruit-bodies of mushrooms (Basidiomycetes)
    1967, Vol. 32, Issue 2, pp. 610–619 [Abstract]
  • Ž. Procházka and F. Šorm
    On steroids. XCII. Microbial hydroxylation of 14β,18-cycloprogesterone
    1965, Vol. 30, Issue 6, pp. 1874–1879 [Abstract]
  • K. Vereš, J. Kozel and Ž. Procházka
    On the bound form of ascorbic acid. XIX. Synthesis of ascorbigen-(14C)
    1963, Vol. 28, Issue 3, pp. 750–752 [Abstract]
  • Ž. Procházka
    On the bound form of ascorbic acid. XVIII. A new synthesis of ascorbigen
    1963, Vol. 28, Issue 2, pp. 544–546 [Abstract]
  • M. Kutáček, Ž. Procházka, D. Grünberger and R. Stajkova
    On the bound form of ascorbic acid. XVII. Biogenesis of ascorbigen, 3-indolylacetonitrile and other indole derivatives in Brassica oleracea L. from DL-tryptophan-3-14C
    1962, Vol. 27, Issue 5, pp. 1278–1283 [Abstract]
  • V. Šanda, N. Constantzas and Ž. Procházka
    On the bound form of ascorbic acid. XVI. Effect of pH on ascorbigen
    1962, Vol. 27, Issue 3, pp. 554–558 [Abstract]
  • J. Davídek and Ž. Procházka
    Thin layer chromatography on polyamide powder
    1961, Vol. 26, Issue 11, pp. 2947–2949 [Abstract]
  • Ž. Procházka, J. Fajkoš, J. Joska and F. Šorm
    On steroids. LX. Microbial oxygenation of B-norsteroids
    1961, Vol. 26, Issue 8, pp. 2068–2071 [Abstract]
  • Ž. Procházka and Z. Severa
    On the bound form of ascorbic acid. XIV. A new method of isolation of ascorbigen and iberin from Savoy cabbage
    1960, Vol. 25, Issue 4, pp. 1100–1103 [Abstract]
  • Ž. Procházka and V. Šanda
    On the bound form of ascorbic acid. XII. Isolation of pure ascorbigen and some other indole derivatives from Savoy cabbage
    1960, Vol. 25, Issue 1, pp. 270–280 [Abstract]
  • Ž. Procházka, V. Šanda and L. Jirousek
    Isothiocyanate im Wirsing- und Rosenkohl
    1959, Vol. 24, Issue 11, pp. 3606–3610 [Abstract]
  • Ž. Procházka, V. Šanda and K. Macek
    Über die Papierchromatographie der Indolderivate
    1959, Vol. 24, Issue 9, pp. 2928–2938 [Abstract]
  • Ž. Procházka
    Isolation of sulforaphane from hoary cress (Lepidium draba L.)
    1959, Vol. 24, Issue 7, pp. 2429–2430 [Abstract]
  • N. Constantzas, Ž. Procházka and A. Jindra
    The reaction of 3-indolylpyruvic acid with L-ascorbic acid
    1959, Vol. 24, Issue 5, pp. 1702–1703 [Abstract]
  • Ž. Procházka
    Indole derivatives in plants containing ascorbigen. III. Proof of the presence of indole-3-carboxylic acid in cauliflower and Savoy cabbage
    1959, Vol. 24, Issue 4, pp. 1368–1371 [Abstract]
  • V. Šanda, Ž. Procházka and H. Le Moal
    Relations entre la structure chimique et les valeurs RF dans la série des acides dicarboxyliques
    1959, Vol. 24, Issue 2, pp. 420–427 [Abstract]
  • A. Jakubovič and Ž. Procházka
    Bestimmung von elementarem Schwefel mittels Papierchromatographie
    1958, Vol. 23, Issue 1, pp. 149–150 [Abstract]
  • J. Kučera, Ž. Procházka and K. Vereš
    Über Steroide XXVI. Die Papierchromatographie neutraler Steroidverbindungen
    1957, Vol. 22, Issue 4, pp. 1185–1191 [Abstract]
  • Ž. Procházka, V. Šanda and F. Šorm
    On the structure of ascorbigen
    1957, Vol. 22, Issue 2, pp. 654–656 [Abstract]
  • Ž. Procházka, V. Šanda and F. Šorm
    Die Isolierung von reinem Ascorbigen
    1957, Vol. 22, Issue 1, pp. 333–335 [Abstract]
  • Ž. Procházka, L. Lábler and Z. Kotásek
    On steroids. XIII. Paper chromatography of steroid amines
    1954, Vol. 19, Issue 6, pp. 1258–1263 [Abstract]
  • E. Knobloch and Ž. Procházka
    Studies on anticoagulants. XXV. Infrared spectra of certain derivatives of 4-hydroxycoumarin and of chromone
    1954, Vol. 19, Issue 4, pp. 744–753 [Abstract]
  • Ž. Procházka
    Combined ascorbic acid. VI. On the chemical nature of ascorbigen
    1954, Vol. 19, Issue 3, pp. 581–585 [Abstract]
  • Ž. Procházka
    On steroids. VIII. Paper partition chromatography of steroid acids
    1954, Vol. 19, Issue 1, pp. 98–106 [Abstract]
  • P. Zuman and Ž. Procházka
    Über die gebundene Form der Ascorbinsäure IV. Polarographische Bestimmung der Ascorbinsäure in Konzentraten von Askorbigen
    1953, Vol. 18, Issue 4, pp. 442–449 [Abstract]
  • K. Fučík, Ž. Procházka and J. Štrof
    Studies on anticoagulants. XI. Bis-4-hydroxycoumarin-3-yl-acetic acid and some of its derivatives. 2.
    1951, Vol. 16, pp. 304–318 [Abstract]
  • K. Fučík, Ž. Procházka and J. Štrof
    Studies on anticoagulants. X. An attempt to explain the difference in anticoagulant activity between dicoumarol and some of its derivatives
    1951, Vol. 16, pp. 296–303 [Abstract]
  • Ž. Procházka and S. Kořístek
    A proof of the existence of a bound form of ascorbic acid in cabbage by paper chromatography
    1951, Vol. 16, pp. 65–68 [Abstract]