51705-88-5Relevant academic research and scientific papers
REACTIVITE CHIMIQUE ET PHOTOCHIMIQUE DANS LES MILIEUX MICELLAIRES ET LES MICROEMULSIONS-III. MISE EN EVIDENCE DE L'IMPORTANCE DES PROCESSUS INTERFACIAUX SUR UNE REACTION DE PHOTOISOMERISATION
Rico, I.,Maurette, M.T.,Oliveros, E.,Riviere, M.,Lattes, A.
, p. 1779 - 1783 (1980)
The E-Z photoisomerization of the O-methyl ether of the oxime of 2-acetylnaphthalene has been studied in various microemulsions.The results obtained with variations of surfactant concentrations or with addition of sodium chloride show the importance of interfacial processes in colloidal systems.
Use of Strain-Release for the Diastereoselective Construction of Quaternary Carbon Centers
Pinkert, Tobias,Das, Mowpriya,Schrader, Malte L.,Glorius, Frank
supporting information, p. 7648 - 7654 (2021/05/26)
Herein, we describe the formation of quaternary carbon centers with excellent diastereoselectivity via a strain-release protocol. An organometallic species is generated by Cp*Rh(III)-catalyzed C-H activation, which is then coupled with strained bicyclobut
Catalytic Asymmetric Carbene Transfer Reactions of Diazo Oxime Ethers with Olefins and Their Synthetic Applications
Da Ho, Linh,Otog, Nansalmaa,Fujisawa, Ikuhide,Iwasa, Seiji
supporting information, p. 7470 - 7474 (2019/10/02)
The first catalytic asymmetric cyclopropanation of diazo oxime ethers with olefins was developed. In the presence of a Ru(II)-Pheox catalyst, various optically active cyclopropyl oxime derivatives were obtained in high yields (up to 99%) with high enantioselectivities (up to 98% ee). Furthermore, optically active cyclopropyl oxime ethers could be successfully converted into the corresponding cyclopropyl methylamine derivatives via metal hydride and Grignard reagent mediated Beckmann rearrangement, which are potential candidates for the assessment of biological and pharmaceutical activities.
Palladium-Catalyzed Decarboxylative Ortho-Ethoxycarbonylation of O-Methyl Ketoximes and 2-Arylpyridines with Potassium Oxalate Monoester
Li, Zhong-Yuan,Wang, Guan-Wu
supporting information, p. 4866 - 4869 (2015/10/12)
A novel method for introducing an ester group via palladium-catalyzed ligand-directed C-H activation has been explored. The ortho-ethoxycarbonylation of O-methyl ketoximes proceeded smoothly with the nontoxic and easily handled reagent potassium oxalate monoester, affording the desired products in moderate to good yields. Furthermore, pyridine could also be employed as a directing group to obtain similar results in this transformation.
Photoisomerization of Oxime Ethers and Efficiency of Triplet Formation via Exciplexes
Takeda, Yoshihiko,Misawa, Hiroaki,Sakuragi, Hirochika,Tokumaru, Katsumi
, p. 2213 - 2218 (2007/10/02)
9,10-Dicyanoanthracene(DCA)-sensitized isomerization of (E)- and (Z)-isomers of an oxime ether of 2-acetylnaphthalene (E-1 and Z-1, respectively) was investigated in benzene by means of steady irradiation and laser flash photolysis.The excited singlet DCA was effectively quenched by E-1 and Z-1 to afford exciplexes, decay of which gave DCA triplets or 1 triplets.The triplet state of 1 was proposed as the isomerization intermediate and the formation efficiency of 1 triplets was estimated from isomerization quantum yields.
