Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Yu Mi Chang"'
Publikováno v:
Bulletin of the Korean Chemical Society. 32:2139-2142
Department of Chemistry, Faculty of Science, Gakushuin University, Tokyo 171-8588, JapanReceived October 8, 2010, Accepted April 28, 2011Key Words : Boron neutron capture therapy (BNCT), ortho-carborane, 4-Aminobenzoic acid, 4-Hydroxyben-zoic acid, G
Publikováno v:
Optical Materials. 30:662-668
Photopolymer compositions for holographic recording were prepared from aromatic diacrylate having phosphine oxide backbone, a hybrid sol–gel, and photoinitiator. The physical and holographic properties of photopolymer were controlled by the ratio o
Publikováno v:
Tetrahedron Letters. 46:3053-3056
Petasis reactions of activated forms of quinolines and isoquinolines with electron sufficient boronic acids such as 2-benzofuranboronic acid, trans-2-phenylvinylboronic acid etc in DCM proceeded smoothly at room temperature to provide the correspondi
Publikováno v:
Tetrahedron Letters. 45:9049-9052
EEDQ and EEDI generated in situ by the reaction of quinoline and isoquinoline with diethyl pyrocarbonate was treated with alkylating reagents having an activated carbon such as diethyl malonate, ethyl acetoacetate etc. in the presence of 0.5 equiv of
Publikováno v:
Tetrahedron. 59:10331-10338
Reductive alkylation and reductive methylation of aromatic primary amines with carbonyls and 37% formaldehyde using decaborane in one-pot way gave the corresponding tertiary amines in high yields. The reaction condition was extended for the reduction
Publikováno v:
Bulletin of the Korean Chemical Society. 25:1723-1725
Excess amount of sodium iodide in the absence ofany other additives or along with other carbonyl activatingadditive such as sulfuric acid, chlorotrimethylsilane havebeen employed for the reduction of α-haloketones. Recently,stoichiometric amount of
Autor:
Yu Mi Chang, Hakjune Rhee, Byung Woo Yoo, Min Young Cho, Seung Hwan Lee, Sang Ho Lee, Cheol Min Yoon
Publikováno v:
ChemInform. 36
Homocoupling of aryl iodides and bromides using catalytic amounts of palladium and stoichiometric amounts of indium proceeded smoothly to afford the corresponding biaryls in good to high yields.
Publikováno v:
ChemInform. 36
Excess amount of sodium iodide in the absence ofany other additives or along with other carbonyl activatingadditive such as sulfuric acid, chlorotrimethylsilane havebeen employed for the reduction of α-haloketones. Recently,stoichiometric amount of
Publikováno v:
ChemInform. 35
Publikováno v:
ChemInform. 34
Azides were converted to the corresponding carbamates using a system of 20 mol% of decaborane (B10H14) and 20 weight% of 10% Pd/C in methanol in the presence of di-tert-butyl dicarbonate at rt in high yields and to the corresponding amines using a sy