Zobrazeno 1 - 10
of 107
pro vyhledávání: '"Jung-Keun Kim"'
Publikováno v:
Green Chemistry. 24:837-845
C–H activation was realized via the synergistic catalysis of visible light and photocurrent applying self-biasing photo-electrocatalytic strategy, which could effectively avoid the excessive oxidation of active intermediates.
Publikováno v:
Organic & Biomolecular Chemistry. 20:6459-6463
A mild and efficient visible-light-induced radical method was developed to produce C3-malonated five-membered heterocycles using 2-substituted thiophenes/furans and diethyl bromomalonate as the starting materials. Various 2-substituted (benzo)thiophe
Publikováno v:
Chemical Communications. 57:7308-7311
A mild and efficient visible-light-induced synthesis of C-3 dicarbonyl coumarins from 3-arylacetylene coumarins without a photocatalyst was reported. This iodide-mediated method exhibited broad substrate scope and good functional group tolerance, and
Publikováno v:
Green Chemistry. 23:1274-1279
A direct electrooxidative cross-dehydrogenative-coupling (CDC) reaction between N-aryl-tetrahydroisoquinolines and 4-hydroxycoumarins has been realized. This protocol provides a green, mild and fast method to construct 3-tetrahydroisoquinoline substi
Publikováno v:
Organic Chemistry Frontiers. 8:3110-3117
Direct electrochemical oxidation has been widely applied in organic synthesis due to its simple and mild reaction conditions, high selectivity, few by-products, high product purity and high productivity. Up to now, the efficient synthetic methods for
Publikováno v:
Tetrahedron. 132:133249
Autor:
Vladimir Kovalev, Shokova Elvira A, Yabo Li, Xiangyu Sun, Ming Gong, Jung Keun Kim, Yangjie Wu, Mengmeng Huang
Publikováno v:
The Journal of Organic Chemistry. 85:15051-15061
Despite the various attractive properties of γ-pyrones, there are still some deficiencies in their synthetic approaches such as lower atom economy, multistep processes, and prefunctionalization of the reagents. In this work, an efficient and simple
Autor:
Kyo Sung Park, Raekyung Kim, Hoang-Tran Bui, Wooyul Kim, Jung-Keun Kim, Kyung Min Choi, B. Kim, Wonyong Choi, Seohyeon Jee, Hyeon Shin Lee
Publikováno v:
Energy & Environmental Science. 13:519-526
The heterogenization of photocatalytic molecules typically enhances stability at the expense of activity. Therefore, a new approach to stabilizing molecular catalysts without compromising their original catalytic features is highly desired. In this s
Visible-light-induced photocatalyst-free C-3 functionalization of indoles with diethyl bromomalonate
Publikováno v:
Green Chemistry. 22:2543-2548
A visible-light induced green and efficient method is developed for the synthesis of α-indolyl diethyl malonates. The reaction proceeds without any photocatalysts or ligands in a green solvent in a short time. Moreover, the reaction mechanism has be
Autor:
Mengmeng Huang, Lianjun Wang, Xiaowen Yang, Jung Keun Kim, Ming Gong, Jianye Zhang, Yabo Li, Yangjie Wu
Publikováno v:
Tetrahedron. 126:132988