Zobrazeno 1 - 10
of 13
pro vyhledávání: '"José Ramon Garabatos-Perera"'
Publikováno v:
Journal of Organometallic Chemistry. 694:2047-2052
New planar chiral enantiopure ferrocenyloxazolines have been prepared including ferrocenyldiphenylmethanol, diferrocenylphenylmethanol and triferrocenylmethanol derivatives (S,pR)-10 – (S,pR)-12, the latter being the first chiral triferrocenylmetha
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
Publikováno v:
Canadian Journal of Chemistry. 86:676-681
The asymmetric oxidation of prochiral 2-(arylsulfenyl)pyrroles has been investigated. A marked electronic effect within the substrate significantly influenced the degree of enantioselectivity obtained, with very high enantio selectivity being obtaine
Autor:
Nikolai Vinokurov, Zhirong Zhao-Karger, José Ramon Garabatos-Perera, Holger Butenschön, Michael Wiebcke
Publikováno v:
Organometallics. 27:1878-1886
A new Grubbs−Hoveyda−Blechert alkene metathesis catalyst, in which the benzylidene ligand has been coordinated to a highly electron-withdrawing tricarbonylchromium moiety, is presented. The structure of the complex provides evidence for a so far
Publikováno v:
Journal of Organometallic Chemistry. 693:357-360
The electron rich and sterically bulky title phosphane was prepared and efficiently applied in the palladium catalyzed Suzuki–Miyaura cross-coupling reaction. With electron rich aryl chlorides and bromides the yields and reaction times were signifi
Publikováno v:
ChemInform. 39
The asymmetric oxidation of prochiral 2-(arylsulfenyl)pyrroles has been investigated. A marked electronic effect within the substrate significantly influenced the degree of enantioselectivity obtai...
Autor:
José Ramon Garabatos-Perera, Michael Wiebcke, Nikolai Vinokurov, Holger Butenschoen, Zhirong Zhao-Karger
Publikováno v:
ChemInform. 39
Publikováno v:
ChemInform. 39
Publikováno v:
ChemInform. 39
Publikováno v:
ChemInform. 39
The effectiveness of the 2,4-dinitrobenzenesulfenyl and 4-nitrobenzenesulfenyl groups as masking and directing groups at the 2-position of pyrrole has been investigated and compared to that of 2-phenylthiopyrrole. The presence of the nitro group(s) e