Zobrazeno 1 - 10
of 80
pro vyhledávání: '"Yu Sung Chun"'
Autor:
Eun Jin Cho, Sanju Hwang, Sung Wng Kim, Yu Sung Chun, Seunga Heo, Sonam Kim, Ho Seong Hwang, Joonho Bang, Youngmin You
Publikováno v:
ACS applied materialsinterfaces. 13(36)
Electrides, which have excess anionic electrons, are solid-state sources of solvated electrons that can be used as powerful reducing agents for organic syntheses. However, the abrupt decomposition of electrides in organic solvents makes controlling t
Publikováno v:
ACS Catalysis. 6:8361-8369
The most widely accepted system for homogeneous photocatalytic water oxidation process consists of a water oxidation catalyst, RuII(bpy)32+ as a photopump, and S2O82– as the sacrificial electron acceptor. However, this system is far less than ideal
Publikováno v:
Synthesis. 44:1809-1817
Tandem transformations of nitriles into various N-heterocycles have been accomplished through the reaction of electrophiles with Blaise reaction intermediates formed in situ. The reaction of the Blaise reaction intermediates with propiolates gives 2-
Publikováno v:
Tetrahedron Letters. 51:6893-6896
A novel tandem one-pot method for the synthesis of α-aminomethylene-γ-butyrolactone derivatives has been developed through the regioselective epoxide opening reactions with the Blaise reaction intermediates, generated by the reaction of a Reformats
Publikováno v:
Accounts of Chemical Research. 43:985-994
Over the past decade, ionic liquids have received a great deal of attention as a new means for catalyst immobilization. Large numbers of catalysts having polar or ionic character have been successfully immobilized in ionic liquids, thus allowing thei
Autor:
Yun-Jo Lee, Jin Seon Park, Kwang Ha, Kyung Byung Yoon, Kyoung Sun Oh, Yu Sung Chun, Yun-Shan Zhou
Publikováno v:
Microporous and Mesoporous Materials. 72:91-98
Zeolite-A crystals with the average sizes of ∼0.5 × 0.5 × 0.5 μm and ∼1.7 × 1.7 × 1.7 μm and silicalite-1 crystals with the average size of ∼1.6 × 1.2 × 0.6 μm were synthesized, and 3-aminopropyl (AP) and 3-chloropropyl (CP) groups, re
Publikováno v:
Journal of the American Chemical Society. 124:7123-7135
K(+)-exchanged, Ru(bpy)(3)(2+)-encapsulating zeolite-Y [K(+)-Ru(bpy)(3)(2+)Y] and N-[3-(dicyclohexylmethyl)oxypropyl-N'-methyl-4,4'-bipyridinium [DCH-MV(2+)] were prepared, and visible light-induced electron transfer from the zeolite-encapsulated Ru(
Publikováno v:
ChemInform. 45
A broad range of alkynes can be applied to the title reaction and yield the corresponding acrylates in good yields and regioselectivities.
Publikováno v:
ChemInform. 44
A novel divergent tandem one-pot method for the synthesis of 3,5,6-trisubstituted 1H-pyrimidin-2,4-dione derivatives is developed. In the presence of 10 mol % of Cu(OAc)2, the α-substituted Blaise reaction intermediates (R2 ≠ H) reacted with isocy
Publikováno v:
Tetrahedron: Asymmetry. 11:2149-2157
A series of new chiral β-aminoalcohols, 3-deoxy-3-N,N-dialkylamino-1,2;5,6-di-O-isopropylidene- d -altritol derivatives 2–4 possessing a variety of amine substituents at the 3-position and thiol or acetylthio group at the 4-position was prepared f