Collect. Czech. Chem. Commun. 1981, 46, 941-946
https://doi.org/10.1135/cccc19810941

Unusual cyclization in the 11-hydroxy-1βH,5βH,6βH,7αH-guaian-6,12-olide series

Zdeněk Samek, Tomáš Vaněk and Miroslav Holub

Institute of Organic Chemistry and Biochemistry, Czechoslovak Academy of Sciences, 166 10 Prague 6

Individual author index pages


Other CCCC articles of these authors

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  • Miloš Buděšínský, Gerard Nowak, Urszula Rychłewska, Derek J. Hodgson, David Šaman, Włodzimierz M. Daniewski, Bohdan Drożdż and Miroslav Holub
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    1994, Vol. 59, Issue 5, pp. 1175–1202 [Abstract]
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    1994, Vol. 59, Issue 4, pp. 913–928 [Abstract]
  • Urszula Rychłewska, Beata Szczepanska, Miloš Buděšínský, David Šaman, Soňa Vašíčková, Bohdan Drożdż, Halina Grabarczyk and Miroslav Holub
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    1993, Vol. 58, Issue 4, pp. 909–917 [Abstract]
  • Ełżbieta Błoszyk, Urszula Rychłewska, Beata Szczepanska, Miloš Buděšínský, Bohdan Drożdż and Miroslav Holub
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  • Ełżbieta Błoszyk, Miloš Buděšínský, Włodzimierz M. Daniewski, Eva Pešková, Bohdan Drożdż and Miroslav Holub
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  • Urszula Rychłewska and Miroslav Holub
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  • Miloš Buděšínský, Le Viet Ngoc Phuong, Nestor Perez Souto, Włodzimierz M. Daniewski, Andrzej Wawrzuń, Maria Gumułka, Soňa Vašíčková, David Šaman, Bohdan Drożdż, Halina Grabarczyk, Urszula Rychłewska and Miroslav Holub
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    1989, Vol. 54, Issue 1, pp. 166–188 [Abstract]
  • Vladislav Kaspar, Egon Eckert, Tomáš Vaněk and Miloš Marek
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    1988, Vol. 53, Issue 8, pp. 1688–1710 [Abstract]
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    1987, Vol. 52, Issue 9, pp. 2281–2294 [Abstract]
  • Włodzimierz M. Daniewski, Wojciech Kroszczyṅski, Ełżbieta Błoszyk, Bohdan Drożdż, Jan Nawrot, Urszula Rychłewska, Miloš Buděšínský and Miroslav Holub
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  • Zdenka Smítalová, Miloš Buděšínský, David Šaman and Miroslav Holub
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    1986, Vol. 51, Issue 6, pp. 1323–1339 [Abstract]
  • Miroslav Holub, Miloš Buděšínský, Zdenka Smítalová, David Šaman and Urszula Rychłewska
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    1986, Vol. 51, Issue 4, pp. 903–929 [Abstract]
  • Urszula Rychłewska, Derek J. Hodgson, Miroslav Holub, Miloš Buděšínský and Zdenka Smítalová
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    1985, Vol. 50, Issue 11, pp. 2607–2624 [Abstract]
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    1985, Vol. 50, Issue 8, pp. 1878–1887 [Abstract]
  • Wojciech Kroszczyṅski, Włodzimierz M. Daniewski, Miloš Buděšínský, David Šaman, Halina Grabarczyk, Bohdan Drożdż and Miroslav Holub
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    1985, Vol. 50, Issue 1, pp. 94–102 [Abstract]
  • Urszula Rychłewska, Miroslav Holub, Miloš Buděšínský and Zdenka Smítalová
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    1984, Vol. 49, Issue 12, pp. 2790–2800 [Abstract]
  • Tomáš Vaněk, Vlasta Velková and Jiří Gut
    Preparation of 3- and 3,5-substituted 1,2,4-triazoles
    1984, Vol. 49, Issue 11, pp. 2492–2495 [Abstract]
  • Jaroslav Kopecký, David Šaman, Tomáš Vaněk and Ladislav Novotný
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    1984, Vol. 49, Issue 7, pp. 1622–1626 [Abstract]
  • Miloš Buděšínský, Miroslav Holub, David Šaman, Zdenka Smítalová, Ayhan Ulubelen and Sevil Öksüz
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    1984, Vol. 49, Issue 5, pp. 1311–1317 [Abstract]
  • Zdenka Smítalová, Miloš Buděšínský, David Šaman, Soňa Vašíčková and Miroslav Holub
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    1984, Vol. 49, Issue 4, pp. 852–870 [Abstract]
  • Miloš Buděšínský, David Šaman, Gerard Nowak, Bohdan Drożdż and Miroslav Holub
    9α-Hydroxyparthenolide from Zoegea baldschuanica C. WINKL. and its absolute configuration
    1984, Vol. 49, Issue 3, pp. 637–641 [Abstract]
  • Włodzimierz Daniewski, Andrzej Wawrzuń, Ełżbieta Błoszyk, Bohdan Drożdż and Miroslav Holub
    Sesquiterpenic lactones from Grossheimia macrocephala. Structure of grosheiminol
    1982, Vol. 47, Issue 11, pp. 3160–3163 [Abstract]
  • Miroslav Holub, Zdeněk Samek, Miloš Buděšínský, David Šaman, Ełżbieta Błoszyk and Bohdan Drożdż
    8α-Hydroxybalchanin - A new sesquiterpenic lactone from Leucanthemella serotina (L.) TZVEL.
    1982, Vol. 47, Issue 11, pp. 2927–2931 [Abstract]
  • Patricia Sierra, Ladislav Novotný, Zdeněk Samek, Miloš Buděšínský, Ladislav Dolejš and Karel Bláha
    Alkaloids of Rauvolfia salicifolia GRISEB species
    1982, Vol. 47, Issue 11, pp. 2912–2921 [Abstract]
  • Juraj Harmatha and Zdeněk Samek
    Diethylamine addition to natural sesquiterpenic α-exomethylene-γ-lactones and its use for chemical transformations of these compounds
    1982, Vol. 47, Issue 10, pp. 2779–2785 [Abstract]
  • Tomáš Vaněk and Jiří Gut
    Preparation of 5-(β-D-ribofuranosyl)pyrazole-3-carboxamide
    1982, Vol. 47, Issue 7, pp. 2004–2006 [Abstract]
  • Ivan Beneš, Tomáš Vaněk and Miloš Buděšínský
    Nardiin, a new ent-kaurane diterpenoid from the liverwort Nardia scalaris
    1982, Vol. 47, Issue 7, pp. 1873–1877 [Abstract]
  • Miroslav Holub, Miloš Buděšínský, Zdeněk Samek, Bohdan Drożdż, Halina Grabarczyk, Ayhan Ulubelen, Sevil Öksüz and Urszula Rychłewska
    Absolute configuration of xerantholide, a sesquiterpenic lactone from Anthemis austriaca JACQ.
    1982, Vol. 47, Issue 2, pp. 670–675 [Abstract]
  • Josef Jizba, Miloš Buděšínský, Tomáš Vaněk, A. Boeva, Kalinka Dimitrova, František Šantavý and Ladislav Novotný
    Components of Senecio pancicii DEGEN var. arnautorum (VELEN.) STOJ., STEF. et KIT. and S. Pancicii DEGEN var. pancicii
    1982, Vol. 47, Issue 2, pp. 664–669 [Abstract]
  • Urszula Rychłewska, Miroslav Holub, Ełżbieta Błoszyk and Bohdan Drożdż
    X-ray crystallography of the sesquiterpene lactone erivanin
    1982, Vol. 47, Issue 1, pp. 88–95 [Abstract]
  • Josef Jizba, Věra Laudová, Zdeněk Samek, Karel Ubik and Ladislav Novotný
    Components of Senecio nemorensis var. subdecurens
    1981, Vol. 46, Issue 4, pp. 1048–1053 [Abstract]
  • Miloš Buděšínský, Zdeněk Samek and Miloš Tichý
    In situ reactions of amines and amino alcohols and their application to structural assignment by 1H NMR spectroscopy
    1980, Vol. 45, Issue 10, pp. 2784–2803 [Abstract]
  • Wojciech T. Markiewicz, Nelly Sh. Padyukova, Zdeněk Samek and Jiří Smrt
    The reaction of 1,3-dichloro-1,1,3,3-tetraisopropyldisiloxane with cytosine arabinoside and 1-(6-deoxy-α-L-talofuranosyl)uracil
    1980, Vol. 45, Issue 6, pp. 1860–1865 [Abstract]
  • Zdeněk Samek, Miroslav Holub, Vlastimil Herout, Ełżbieta Błoszyk and Bohdan Drożdż
    Isoerivanin and dehydroisoerivanin - Minor sesquiterpene lactone components from Balsamita major DESF.
    1979, Vol. 44, Issue 5, pp. 1468–1474 [Abstract]
  • Tomáš Vaněk, Jiří Farkaš and Jiří Gut
    Synthesis of 5-β-D-ribofuranosyl-1,3-thiazole-2-carboxamide - A thiazole analogue of ribavirin
    1979, Vol. 44, Issue 4, pp. 1339–1342 [Abstract]
  • Tomáš Vaněk, Jiří Farkaš and Jiří Gut
    Synthesis of 3,5-disubstituted 1,2,4-triazole derivatives - An alternative preparation of the C-analogue of ribavirin
    1979, Vol. 44, Issue 4, pp. 1334–1338 [Abstract]
  • Zdeněk Samek and Miloš Buděšínský
    In situ reactions with trichloroacetyl isocyanate and their application to structural assignment of hydroxy compounds by 1H NMR spectroscopy. A general comment
    1979, Vol. 44, Issue 2, pp. 558–588 [Abstract]
  • Zdeněk Samek
    On the validity of the "cis/trans" lactone rule for allylic coupling constants of the α-exomethylene protons in natural sesquiterpenic α-exomethylene γ-lactones
    1978, Vol. 43, Issue 12, pp. 3210–3226 [Abstract]
  • Zdeněk Samek and Juraj Harmatha
    Use of structural changes for stereochemical assignments of natural α-exomethylene γ-lactones of the germacra-1(10),4-dienolide type on the basis of allylic and vicinal couplings of bridgehead protons. Hydrogenation of endocyclic double bonds
    1978, Vol. 43, Issue 10, pp. 2779–2799 [Abstract]
  • Miroslav Holub, Otakar Motl and Zdeněk Samek
    The structure and relative and absolute configurations of the sesquiterperpenic lactones gradolide and polhovolide from Laserpitium siler L.
    1978, Vol. 43, Issue 9, pp. 2471–2477 [Abstract]
  • Miroslav Holub, Zdeněk Samek, Soňa Vašíčková and Milena Masojídková
    11-Hydroxy-1βH,5βH,6αH,7αH-guaian-6,12-olides: Relative and absolute configuration of the sesquiterpenic lactones montanolide, isomontanolide, acetylisomontanolide and related substances
    1978, Vol. 43, Issue 9, pp. 2444–2470 [Abstract]
  • Miroslav Svoboda, Miroslava Synáčková, Zdeněk Samek, Pavel Fiedler and Zdeněk Arnold
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    1978, Vol. 43, Issue 5, pp. 1261–1275 [Abstract]
  • Josef Jizba, Zdeněk Samek, Ladislav Novotný, Elinka Najdenová and Anna Boeva
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    1978, Vol. 43, Issue 4, pp. 1113–1124 [Abstract]