Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Hans-Rüdiger Murawski"'
Autor:
Carl Krüger, Hans-Rüdiger Murawski, Horst Stegemeyer, Hermann Minas, Peter Michael Geschwinder, Wolfgang Sucrow
Publikováno v:
Chemische Berichte. 118:3332-3349
Die stereoselektive Synthese der all-trans-7-Alkylperhydro-2-phenanthrenole 15a – f in 11 Stufen und 28 flussigkristalline Ester 16 von 15a – f werden beschrieben, daneben einige weitere Derivate der 7-Alkylperhydro-2-phenanthrenole. Vom Ester 16
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c8dce5159a3de3f8d2c48e0af9415d73
https://doi.org/10.1002/cber.19851180832
https://doi.org/10.1002/cber.19851180832
Thermische Umlagerungen von 8‐Methoxybicyclo[5.1.0]octa‐2,4‐dien und 8‐Methoxybicyclo[5.1.0]oct‐2‐en
Publikováno v:
Chemische Berichte. 113:1272-1279
Die Gleichgewichte 2x ⇄ 3e und 9x ⇄ 11 der Titelverbindungen zeigen einen geringen Einflus von Methoxy-Substituenten auf die Stabilitat des Cyclopropanrings. Reaktionen unter Beteiligung der gegenuberliegenden Cyclopropan-Bindung — die Butadien
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7f5454cf3290100011a1f775bdb9cc57
https://doi.org/10.1002/cber.19801130407
https://doi.org/10.1002/cber.19801130407
Publikováno v:
Chemischer Informationsdienst. 11
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9faed66942c623f364f9d6ad70cf1f50
https://doi.org/10.1002/chin.198026087
https://doi.org/10.1002/chin.198026087
Autor:
Hans-Rüdiger Murawski, Wolfgang Kirmse
Publikováno v:
Chemischer Informationsdienst. 8
Substitution of alkoxy group at the migrating carbon atom stabilizes the transition state of the methylenecyclopropane rearrangement by 40–50 kJ mol–1.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a6f2417e17d197ff66982a01609d1cf9
https://doi.org/10.1002/chin.197730140
https://doi.org/10.1002/chin.197730140
Publikováno v:
Chemischer Informationsdienst. 13
Some perhydrophenanthrenes, prepared in order to fill the gap between bicyclohexanes and cholesterylesters as liquid crystals, show nematic phases.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9bbc5b9e6fecd23b9d9fded51030080e
https://doi.org/10.1002/chin.198230178
https://doi.org/10.1002/chin.198230178
Autor:
P. Geschwinder, C. + Krueger, Hans-Rüdiger Murawski, Wolfgang Sucrow, Horst Stegemeyer, H. Minas
Publikováno v:
Chemischer Informationsdienst. 16
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a1c1c8ab680662949fca7e2c7bd3a44
https://doi.org/10.1002/chin.198550156
https://doi.org/10.1002/chin.198550156
Publikováno v:
Journal of the Chemical Society, Chemical Communications. :308
Some perhydrophenanthrenes, prepared in order to fill the gap between bicyclohexanes and cholesterylesters as liquid crystals, show nematic phases.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dcdbf85834f6428e328675cec76e8eb9
https://doi.org/10.1039/c39820000308
https://doi.org/10.1039/c39820000308
Autor:
Hans Rüdiger Murawski, Wolfgang Kirmse
Publikováno v:
Journal of the Chemical Society, Chemical Communications. :392
The geometrical isomerization of cis-1,2-di-methoxycyclobutane (1) to the trans-isomer (2) and the rearrangement of 1-alkoxy-3-methylenecyclobutanes (4) and (8) to (6) and (10), respectively, are modestly accelerated by the presence of alkoxy groups
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c002f66406db5791e185f5a653ee3144
https://doi.org/10.1039/c39780000392
https://doi.org/10.1039/c39780000392
Autor:
Wolfgang Kirmse, Hans-Rüdiger Murawski
Publikováno v:
Journal of the Chemical Society, Chemical Communications. :122
Substitution of alkoxy group at the migrating carbon atom stabilizes the transition state of the methylenecyclopropane rearrangement by 40–50 kJ mol–1.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb2a7fca79e6099a96eb9d25bd1cf4d3
https://doi.org/10.1039/c39770000122
https://doi.org/10.1039/c39770000122