Collect. Czech. Chem. Commun. 1986, 51, 687-697
https://doi.org/10.1135/cccc19860687

Preparation of 2α,3α-dihydroxy-7-oxa-6-oxo-23,24-dinor-B-homo-5α-cholanic acid, its esters and amides as brassinolide analogues

Václav Černýa, Miroslav Strnadb and Miroslav Kamínekb

a Institute of Organic Chemistry and Biochemistry, Czechoslovak Academy of Sciences, 166 10 Praha 6
b Institute of Experimental Botany, Czechoslovak Academy of Sciences, 160 00 Praha 6

Individual author index pages


Other CCCC articles of these authors

  • Terezie Urbanová, Danuše Tarkowská*, Miroslav Strnad and Peter Hedden
    Gibberellins – terpenoid plant hormones: Biological importance and chemical analysis
    2011, Vol. 76, Issue 12, pp. 1669–1686 [Abstract]
  • František Franěk*, Věra Siglerová, Libor Havlíček, Miroslav Strnad, Tomáš Eckschlager and Evžen Weigl
    Effect of the Purine Derivative Myoseverin and of Its Analogues on Cultured Hybridoma Cells
    2002, Vol. 67, Issue 2, pp. 257–266 [Abstract]
  • Ladislav Kohout*, Hana Chodounská, Tomáš Macek and Miroslav Strnad
    Synthesis of (20S)-2α,3α-Dihydroxy-6-oxo-7-oxa-7a-homo-5α-pregnane-20-carboxylic Acid as a Brassinosteroid Part of Ligands for Binding to Affinity Chromatography Carriers
    2000, Vol. 65, Issue 11, pp. 1754–1761 [Abstract]
  • Ladislav Kohout, Barbora Slavíková and Miroslav Strnad
    17a-Oxa-17a-homobrassinosteroid Analogues
    1998, Vol. 63, Issue 5, pp. 646–654 [Abstract]
  • Ladislav Kohout, Alexander Kasal and Miroslav Strnad
    Pregnane-Type Brassinosteroids with a Four-Carbon Ester Functionality in Position 20
    1996, Vol. 61, Issue 6, pp. 930–940 [Abstract]
  • Ladislav Kohout and Miroslav Strnad
    Brassinosteroids with Ester Function with Five Carbon Atoms at the 20 Position
    1992, Vol. 57, Issue 8, pp. 1731–1738 [Abstract]
  • Václav Černý and Miloš Buděšínský
    A route to 24-epibrassinolide from ergosterol avoiding the use of osmium tetroxide
    1990, Vol. 55, Issue 11, pp. 2738–2755 [Abstract]
  • Václav Černý
    An alternative route to 2α,3α-diols from 2,3-unsaturated 5α-steroids avoiding the use of osmium tetroxide
    1989, Vol. 54, Issue 8, pp. 2211–2217 [Abstract]
  • Ladislav Kohout and Miroslav Strnad
    Brassinolide analogues without side chain
    1989, Vol. 54, Issue 4, pp. 1019–1027 [Abstract]
  • Václav Černý, Miloš Buděšínský, Miloš Ryba and František Tureček
    A contribution to peroxy acid oxidation of α,β-unsaturated ketones and linearly conjugated dienones: Reactions in the cholestane series
    1988, Vol. 53, Issue 7, pp. 1549–1567 [Abstract]
  • Ladislav Kohout, Václav Černý and Miroslav Strnad
    Alternative syntheses of 2α,3α,17β-trihydroxy-7-oxa-B-homo-5α-androstan-6-one and some androstane brassinolide analogs
    1987, Vol. 52, Issue 4, pp. 1026–1042 [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]
  • Ladislav Kohout and Miroslav Strnad
    Brassinosteroids with a cholestane side chain
    1986, Vol. 51, Issue 2, pp. 447–458 [Abstract]
  • Václav Černý and Pavel Kočovský
    Neighboring group participation in hypobromous acid addition to 19-substituted 5α-cholest-1-enes and in acid cleavage of their epoxy analogs
    1982, Vol. 47, Issue 11, pp. 3062–3076 [Abstract]
  • Miloslav Frumar, Gustáv Plesch, Eva Černošková, Václav Černý, Ladislav Tichý and Helena Tichá
    EPR spectra and defect states in glasses of the GexS100-x system
    1982, Vol. 47, Issue 7, pp. 1787–1793 [Abstract]
  • Pavel Kočovský, František Tureček and Václav Černý
    Mechanism of acid cleavage of some steroid epoxides. Competition between neighboring group participation and external nucleophile attack
    1982, Vol. 47, Issue 1, pp. 124–129 [Abstract]
  • Pavel Kočovský, František Tureček and Václav Černý
    Mechanism of hypobromous acid addition to unsaturated steroids. Competition between neighboring group participation and external nucleophile attack
    1982, Vol. 47, Issue 1, pp. 117–123 [Abstract]
  • Pavel Kočovský and Václav Černý
    A modified route to intermediates in partial syntheses of digitoxigenin and xysmalogenin
    1981, Vol. 46, Issue 2, pp. 446–451 [Abstract]
  • Pavel Kočovský and Václav Černý
    Participation of 19-substituents in acid cleavage of steroidal 3α,4α- and 4α,5α-epoxides
    1980, Vol. 45, Issue 11, pp. 3199–3209 [Abstract]
  • Pavel Kočovský and Václav Černý
    Participation of 19-substituents in acid cleavage of steroidal 5α,6α-epoxides
    1980, Vol. 45, Issue 11, pp. 3190–3198 [Abstract]
  • Pavel Kočovský and Václav Černý
    Participation of 19-substituents in hypobromous acid addition to 3,4- and 4,5-unsaturated steroids
    1980, Vol. 45, Issue 11, pp. 3030–3038 [Abstract]
  • Pavel Kočovský and Václav Černý
    Participation of 19-substituents in electrophilic additions. influence of 3β-substitution on hypobromous acid addition to 5,6-unsaturated steroids
    1980, Vol. 45, Issue 11, pp. 3023–3029 [Abstract]
  • Pavel Kočovský and Václav Černý
    Synthesis of 14-deoxy-14α-strophanthidol
    1980, Vol. 45, Issue 3, pp. 921–926 [Abstract]
  • Pavel Kočovský, Ladislav Kohout and Václav Černý
    Participation of 19-substituents in electrophilic additions to 6,7-unsaturated 5α-cholestane and B-homo 5α-cholestane derivatives; A case of competition between the participation of an ambident neighboring group and external nucleophile attack
    1980, Vol. 45, Issue 2, pp. 559–583 [Abstract]
  • Pavel Kočovský and Václav Černý
    Synthesis of 6β,19-dimethoxy-3α,5-cyclo-5α-pregnan-20-one
    1979, Vol. 44, Issue 7, pp. 2275–2283 [Abstract]
  • Pavel Kočovský and Václav Černý
    Participation of 19-ester groups in the cleavage of 2α,3α- and 5α,6α-steroid epoxides. A case of competition between participation and external nucleophile attack
    1979, Vol. 44, Issue 5, pp. 1496–1509 [Abstract]
  • Pavel Kočovský, Václav Černý and Miroslava Synáčková
    Participation of 19-ester groups in hypobromous acid additions to 2,3- and 5,6-unsaturated steroids
    1979, Vol. 44, Issue 5, pp. 1483–1495 [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]
  • Pavel Kočovský and Václav Černý
    Reduction of some mesyloxy and tosyloxy steroids with sodium iodide and zinc dust
    1979, Vol. 44, Issue 1, pp. 246–250 [Abstract]
  • Pavel Kočovský, Václav Černý and František Tureček
    Westphalen rearrangement. Mechanism of formation of 5α-acetoxy derivatives
    1979, Vol. 44, Issue 1, pp. 234–245 [Abstract]
  • Pavel Kočovský and Václav Černý
    Participation of the methoxyl group in the cleavage of some 19-substituted steroid epoxides. A case of competition between internal and external nucleophile attack
    1979, Vol. 44, Issue 1, pp. 226–233 [Abstract]
  • Pavel Kočovský and Václav Černý
    Preparation of some 6β-substituted 5-hydroxy-5α-cholest-2-enes
    1978, Vol. 43, Issue 7, pp. 1933–1941 [Abstract]
  • Pavel Kočovský and Václav Černý
    Participation of the methoxyl group in electrophilic additions to some unsaturated 19-methoxy steroids
    1978, Vol. 43, Issue 7, pp. 1924–1932 [Abstract]
  • Pavel Kočovský and Václav Černý
    Neighboring group participation in some electrophilic additions to 19-substituted 5α-cholest-2-enes and 5-cholestenes
    1978, Vol. 43, Issue 1, pp. 327–335 [Abstract]