Zobrazeno 1 - 10
of 125
pro vyhledávání: '"Rudolf Wartchow"'
Publikováno v:
ARKIVOC, Vol 2004, Iss 13, Pp 57-66 (2004)
Externí odkaz:
https://doaj.org/article/2cbe1622d332463594f1dfb25d597a2d
Publikováno v:
ARKIVOC, Vol 2003, Iss 6, Pp 145-163 (2003)
Externí odkaz:
https://doaj.org/article/49e8d6f4427746ad92c27bb16863732b
Autor:
Krishna Gopal Dongol, Stefan Schmitz, Geanne Marize Romero Boston, Holger Butenschön, Rudolf Wartchow, Andreas M. Köster, Juan D. Samaniego-Rojas, Monika Böning née Pfennig
Publikováno v:
Organometallics. 38:3039-3052
The syntheses of methoxy- and trifluoromethyl-substituted benzocyclobutenone and benzocyclobutenedione tricarbonylchromium complexes are described. As with the unsubstituted complex, a route via the respective acetals was used. However, attempts to h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::897f9d9dfeac43475944f520e01f4fef
https://doi.org/10.1021/acs.organomet.9b00370
https://doi.org/10.1021/acs.organomet.9b00370
Autor:
Holger Butenschön, Rudolf Wartchow, Amr M. Abdelmoniem, Jörg Fohrer, Ismail A. Abdelhamid, Iris Bardenhorst
Publikováno v:
European Journal of Organic Chemistry. 2017:6951-6956
Diaddition of alkenyllithium to 1,2-diones induce dianionic oxy-Cope rearrangements. As 1,2-diones some 1,2-diarylethane-1,2-diones were treated with (4,5-dihydrofuran-2-yl)lithium. The reaction, which took place at -78 °C, stereoselctively afforded
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e94401cf0e04d1ccc21cd36d56d1b20e
https://doi.org/10.1002/ejoc.201701397
https://doi.org/10.1002/ejoc.201701397
The conformational study by X-ray diffraction of 12 aroyl esters of ortho-acetyl phenols is reported. The data are supported by theoretical calculations and described in terms of co-planarity, intramolecular steric interference, and intermolecular co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2d9f0b67cb7f6908213441558e55961f
http://www.publish.csiro.au/ch/ch15071
http://www.publish.csiro.au/ch/ch15071
Autor:
Rudolf Wartchow, Zhirong Zhao-Karger, Osama Mahmoud Ali Habib, Holger Butenschön, Ismail A. Abdelhamid
Publikováno v:
European Journal of Organic Chemistry. 2010:6072-6083
The complexation of phthalimide derivatives with hexacarbonylchromium in dibutyl ether/THF (10:1) afforded the corresponding tricarbonylchromium complexes, which were characterized spectroscopically. Subsequent nucleophilic addition with Grignard or
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b5312724d0685bdfd5d75be85c154edd
https://doi.org/10.1002/ejoc.201000758
https://doi.org/10.1002/ejoc.201000758
Publikováno v:
Organometallics. 28:5212-5221
The synthesis of the first indenylnickel chelate complexes with a pendant phosphane ligand is described. In contrast to earlier attempts by others directed to chelates with a tethered diphenylphosphino ligand in our hands, the synthesis was successfu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de19e919e5e71d9f63a55d3778688701
https://doi.org/10.1021/om9004725
https://doi.org/10.1021/om9004725
Publikováno v:
Advanced Synthesis & Catalysis. 351:1139-1147
An improved synthesis of [1.1]ferrocenophane-1,12-dione (2) by oxidation of [1.1]ferrocenophane with 2,3-dichloro-5,6-dicyano-p-benzoquinone (DDQ) is presented. The syn conformer of dione 2 is structurally characterized. The compound undergoes variou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fbb05fc7d1e0c2a7770d3319b014bdf5
https://doi.org/10.1002/adsc.200800780
https://doi.org/10.1002/adsc.200800780
Autor:
Sergei I. Kozhushkov, Jan Foerstner, Li Yong, Rudolf Wartchow, Dirk Stellfeldt, Holger Butenschön, Alf Kakoschke, Armin de Meijere
Publikováno v:
Chemistry - A European Journal. 12:5642-5647
Treatment of {eta(5):eta(1)[2-(di-tert-butylphosphanyl-P)ethyl]cyclopentadienyl}cobalt(I) chloride (5) with methylenecyclopropane (3) or bicyclopropylidene (4), as well as with their spirocyclopropanated analogues methylenespiropentane (7), cycloprop
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::33bf97fddb2b9085c78de0289ec02d7d
https://doi.org/10.1002/chem.200600118
https://doi.org/10.1002/chem.200600118
Publikováno v:
Zeitschrift für Naturforschung B. 60:1241-1249
In the systems TiS2/NbS2, TiSe2/NbSe2, NbS2/TaS2 und NbSe2/TaSe2 complete miscibility in the solid state has been observed by powder X-ray investigations. Mixed crystals as well as the binary compounds can be prepared by chemical vapour transport rea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9639a40b04e57100e6aacc63359ca04d
https://doi.org/10.1515/znb-2005-1205
https://doi.org/10.1515/znb-2005-1205