Collect. Czech. Chem. Commun.
1957, 22, 1157-1161
https://doi.org/10.1135/cccc19571157
Synthese von trans-Δ6,7-Oktahydroisochinolin
S. Heřmánek and J. Trojánek
Individual author index pages
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. Veselý, J. Holubek, H. Kopecká and J. Trojánek
Thermal decomposition of 10,11-methylenedioxy-3,4,12-trimethoxy-7,8,13,13a-tetrahydro-5H-isoindolo[1,2-b] [3]benzazepine methohydroxide
1975, Vol. 40, Issue 5, pp. 1403–1410 [Abstract] - J. Trojánek, Z. Koblicová, Z. Veselý, V. Suchan and J. Holubek
Thermal decomposition of narceine imide methohydroxide
1975, Vol. 40, Issue 3, pp. 681–694 [Abstract] - K. Bláha, Z. Koblicová and J. Trojánek
Chiroptical properties of the 5,16-cyclocorynane type alkaloids
1974, Vol. 39, Issue 11, pp. 3168–3176 [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] - K. Bláha, Z. Koblicová and J. Trojánek
Chiroptical investigations on the iboga and voacanga alkaloids
1974, Vol. 39, Issue 8, pp. 2258–2266 [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] - K. Bláha and J. Trojánek
On alkaloids. XXVI. Chiroptical properties of 2-acylindole alkaloids, the subgroup of 5,16-cyclo-3,4-secocorynane
1973, Vol. 38, Issue 3, pp. 929–933 [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] - 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] - K. Bláha, Z. Koblicová, J. Pospíšek and J. Trojánek
Absolute configuration of the alkaloid brevicolline
1971, Vol. 36, Issue 10, pp. 3448–3454 [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] - 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] - J. L. Kaul, J. Trojánek and Ajay K. Bose
On alkaloids. XXIII. The structure of majoridine, an alkaloid from Vinca major L. var. major
1970, Vol. 35, Issue 1, pp. 116–123 [Abstract] - J. Pospíšek, Z. Veselý and J. Trojánek
Steroid derivatives. LXV. A practical preparation of 3-ketosteroids of 5α-androstane and 5α-pregnane series
1969, Vol. 34, Issue 11, pp. 3632–3637 [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] - Z. Veselý, J. Pospíšek and J. Trojánek
Steroid derivatives. LXIII. Kinetics of alkali hydrolysis in 70% dioxane of acetates, propionates and butyrates of some steroid alcohols
1969, Vol. 34, Issue 6, pp. 1801–1806 [Abstract] - K. Bláha, Z. Koblicová and J. Trojánek
On alkaloids. XXI. Optical rotatory dispersion of (+)-eburnamenine and related compounds
1969, Vol. 34, Issue 2, pp. 690–694 [Abstract] - Z. Veselý, J. Pospíšek and J. Trojánek
Steroid derivatives. LIX. Kinetics of alkali hydrolysis of some testosterone esters in 70% dioxane
1969, Vol. 34, Issue 2, pp. 685–689 [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] - Z. Veselý, J. Holubek and J. Trojánek
Steroid derivatives. LVII. Oxidation of cyclic ethylenedithioketals of androstane series
1968, Vol. 33, Issue 12, pp. 4047–4053 [Abstract] - K. Bláha, K. Kavková, Z. Koblicová and J. Trojánek
On alkaloids. XX. Absolute configuration of alkaloids of the eburnane series; Optical rotatory dispersion
1968, Vol. 33, Issue 11, pp. 3833–3847 [Abstract] - J. Trojánek, Z. Koblicová and K. Bláha
On alkaloids. XIX. Absolute configuration of vincamine and some related alkaloids; Optical rotatory dispersion
1968, Vol. 33, Issue 9, pp. 2950–2961 [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. Pospíšek, Z. Veselý and J. Trojánek
Steroid derivatives. LI. Reductive elimination of vinyl halogen in androstane series
1968, Vol. 33, Issue 1, pp. 76–82 [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] - 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] - 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] - B. K. Moza, J. Trojánek, V. Hanuš and L. Dolejš
On alkaloids. XIII. On the mass spectra of vindorosine
1964, Vol. 29, Issue 8, pp. 1913–1921 [Abstract] - J. Trojánek, O. Štrouf, K. Bláha, L. Dolejš and V. Hanuš
On alkaloids. XII. Structure of vincaminorine and vincaminoreine
1964, Vol. 29, Issue 8, pp. 1904–1912 [Abstract] - O. Štrouf and J. Trojánek
On alkaloids. X. The structure of vincine
1964, Vol. 29, Issue 2, pp. 447–456 [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] - 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] - B. K. Moza and J. Trojánek
On alkaloids. VIII. Structure of vindorosine
1963, Vol. 28, Issue 6, pp. 1427–1433 [Abstract] - B. K. Moza and J. Trojánek
On alkaloids. VII. New alkaloids from Cataranthus roseus G. DON
1963, Vol. 28, Issue 6, pp. 1419–1426 [Abstract] - J. Pospíšek and J. Trojánek
Über ungesättigte quartäre Ammoniumverbindungen II. 1-(γ-Dimethylaminopropyl)-4,4-dimethylpiperidin-dimethohydroxyd
1963, Vol. 28, Issue 2, pp. 463–468 [Abstract] - J. Trojánek and J. Hodková
Über Alkaloide V. Isolierung von Vincamedin aus dem grossen Immergrün (Vinca major L.)
1962, Vol. 27, Issue 12, pp. 2981–2985 [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] - B. Pelc and S. Heřmánek
Steroid-Derivate XV. Dehydrobromierungsversuche an 6-Brom-7-ketocholan-derivaten
1962, Vol. 27, Issue 9, pp. 2223–2226 [Abstract] - S. Heřmánek, V. Schwarz and Z. Čekan
Methods of separation of natural products. III. Measurement of activity of alumina by means of thin layer chromatography
1961, Vol. 26, Issue 12, pp. 3170–3173 [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] - 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] - 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] - 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] - R. Lukeš and J. Trojánek
Darstellung von γ-Amino- und γ-Methylamino-butyraldehyddimethylacetal
1960, Vol. 25, Issue 8, pp. 2248–2250 [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] - R. Lukeš, J. Pliml and J. Trojánek
Über den Hofmannschen Abbau quaternärer Basen und Salze mit ungesättigten Alkylen X. Thermische Spaltung von 1,1-Dimethyl-2-methylenpyrrolidiniumhydroxyd
1959, Vol. 24, Issue 9, pp. 3109–3114 [Abstract] - S. Heřmánek
Über Pyridinhomologe IV. 3,5-Dialkylpyridine
1959, Vol. 24, Issue 8, pp. 2748–2753 [Abstract] - R. Lukeš, J. Plešek and J. Trojánek
Über die Reduktionsprodukte des 1-Methylpyrrols
1959, Vol. 24, Issue 6, pp. 1987–1992 [Abstract] - R. Lukeš, V. Heřmánková and S. Heřmánek
Über die Alkylierung von Methylen-bis-malonsäureäthylester
1959, Vol. 24, Issue 5, pp. 1695–1701 [Abstract] - S. Heřmánek and J. Staněk
Eine neue Synthese von Homoisovanillin
1959, Vol. 24, Issue 4, pp. 1366–1368 [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] - J. Trojánek and J. Pospíšek
1,3,4-Trimethylpyrrolidin
1959, Vol. 24, Issue 1, pp. 307–309 [Abstract] - R. Lukeš, J. Trojánek and V. Lukeš
Über den hofmannschen Abbau quaternärer Basen und Salze mit ungesättigten Alkylen VIII. Hexamethyl-trimethylen-bis-ammoniumhydroxyd
1958, Vol. 23, Issue 2, pp. 321–325 [Abstract] - R. Lukeš and J. Trojánek
Über den Hofmannschen Abbau quaternärer Basen und Salze mit ungesättigten Alkylen VII. 1,1-Dimethyl-Δ3-pyrroliniumhydroxyd und 1-Phenyl-1,3,4-trimethyl-Δ3-pyrroliniumhydroxyd
1957, Vol. 22, Issue 2, pp. 569–576 [Abstract] - R. Lukeš, J. Trojánek and K. Bláha
Über die Hydrierung der Oxybenzoesäuren
1955, Vol. 20, Issue 5, pp. 1136–1141 [Abstract] - R. Lukeš and J. Trojánek
Über den Hofmann'schen Abbau quaternärer Basen und Salze mit ungesättigten Alkylen IV. Reduktion von 1-Methyl-pyrrol
1953, Vol. 18, Issue 5, pp. 648–653 [Abstract] - R. Lukeš and J. Trojánek
Über den Hofmann'schen Abbau quaternärer Basen und Salze mit ungesättigten Alkylen III. 1,1-Dimethyl-pyrrolium-hydroxyd
1953, Vol. 18, Issue 4, pp. 454–459 [Abstract] - R. Lukeš and J. Trojánek
The Hofmann degradation of quaternary bases and salts containing unsaturated alkyl groups. II.
1951, Vol. 16, pp. 603–610 [Abstract] - R. Lukeš and J. Trojánek
Sur la décomposition de l'homoneurine par la chaleur
1949, Vol. 14, pp. 688–692 [Abstract]
