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오창호 청람어문학회 1991 청람어문교육 Vol.6 No.1
This study is focused on interpreting the background of formation, the formal characteristic and a poetic world of the work-Gosan Yoon Sun-do's UBOOSASISA. The summary of this study is as follows; 1. Yoon Sun-do had lived a succeeded-banished-sequestered life, but had established an original view of literature on account of recepting Buddhism and Taoism over his typical Confucianism, and so he had n a great work-UBOOSASISA through these ideological foundations. 2. The Uboosasisa is a work of Yeonsijo consisted of forty stanzas on four seasons. It is a song of fisherman and has regular repetitional structure. 3. The poetic world of this work is as follows; 1) Criticizing $quot;Cramped(局促之缺)$quot; in former Ubooga, he pointed out that it had been resulted from integration of old poems. He expressed his opinions concretly about the former Ubooga as follow; $quot;Disharmony with sound(音響不相應)$quot; in the musical aspect, $quot;Lack of deep meaning(語意不甚備)$quot; in the literary aspect. 2) Gosan had been in the natural spaces, he had enjoyed them as playing ones in appearance, and also had recognized them as ways of expressing his conflicts.
4-[(N-Imidazol-2-ylmethyl)anilino]pyranopyridine Analogs as Novel Anti-Angiogenic Agents
오창호,Sun Mi Chae,이규양,Nakjeong Kim,Sunkyung Lee 대한화학회 2005 Bulletin of the Korean Chemical Society Vol.26 No.4
We attempted to replace a benzopyran ring of 4-[(N-imidazol-2-ylmethyl)-4-chloroanilino]benzopyran, previously discovered as anti-angiogenic agent with antitumor activity, with pyranopyridines. The [3,2-c]-, [3,2-b]-, [2,3-c]-, and [2,3-b]-pyranopyridines with N-(imidazol-2-ylmethyl)aniline moiety at the 4-position, were synthesized respectively, and evaluated for primary anti-angiogenic properties through primary cultured HUVEC tube formation assay. From this study, we found that the pyranopyridine ring, especially [3,2-b]- and [2,3-c]-isomer, can replace the benzopyran ring of the compound 1 and can be optimized through the introduction of substituents both on the pyranopyridine ring and the aniline moiety for the identification of a novel anti-angiogenic agent.
오창호,Hyun Jik Yi,Kyu Hwan Lee 대한화학회 2010 Bulletin of the Korean Chemical Society Vol.31 No.3
A new and efficient Au-catalyzed alkoxycyclization of conjugated enynols offers a general entry to a wide range of highly substituted furans in good to excellent yields. These furans were subjected to diethyl cetylenedicarcoxylate to afford the interesting cycloadducts in good to excellent yields.
오창호,탁상용,이지호,Lanhua Piao 대한화학회 2011 Bulletin of the Korean Chemical Society Vol.32 No.8
Enynals bearing an olefinic pendant were successfully cyclized via Huisgen-type [3+2] cycloaddition to the tetracyclic Pt-carbene complexes which would undergo insertion into a C-H bond of the β-position to afford the fused cyclopropane intermediates. Their tandem rearrangement afforded diverse types of spiranes depending on the tethered alkenes of the enynals.