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Diels-Alder 반응을 통한 Cycloadducts of Bicyclolactone의 입체 이성질체 구조 연구

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dc.contributor.author서찬우-
dc.contributor.author원호식-
dc.date.accessioned2021-06-23T22:41:39Z-
dc.date.available2021-06-23T22:41:39Z-
dc.date.issued2005-12-
dc.identifier.issn2005-9051-
dc.identifier.urihttps://scholarworks.bwise.kr/erica/handle/2021.sw.erica/45470-
dc.description.abstract3.5-dibromo-2-pyrone의 Diels-Alder cycloaddition으로부터 얻은 Bicyclokactone 은 다양 palladium 촉매 하에서 aryl bicyclolactone으로 반응 시킬 수 있다. N-Et maleimide (NEM)를 사용한 Bromo-cyclic diene은 cycloaddition 으로 endo-form (62%) 과 exo-form (38%) 의 두개의 다른 입체 이성질체를 생성하고 두 물질은 NMR에 의해 분석되었다. 이 연구에서는 COSY, TOCSY, NOESY, ROESY를 이용하여 각각의 isomer에 대한 NMR 시그널 을 지정하였다. 여러 종류의 수소의 거리는 NOE cross peak를 이용하여 얻을 수 있었다. 이 distance data를 기반으로 distance geometry (DG)와 molecular dynamics (MD) 를 이용하여 endo-form, exo-form isomer 들의 구조를 결정하였다-
dc.description.abstractBicyclolactones obtained from the Diels-Alder cycloaddition of 3,5-dibro -mo-2-pyrone can be changed into aryl bicyclolactones. by cross coupling reactions under various palladium catalyst. Bromo-bicyclic diene furnished two different diastereomers endo-form (62%) and exo-form (38%) upon cycloadditions with N-Et maleimide (NEM), and their stereochemistries were identified with NMR In this study, The NMR signal assignments of each isomer was completely accomplished with COSY, TOCSY, NOESY and ROESY. Distance of numerous protons were obtained based on the NOE cross peak intensities of NOESY spectrum. On the basis of these distance data, distance geometry (DG) and molecular dynamics (MD) were carried out to determine the isomer structures of endo-form and exo-form-
dc.format.extent6-
dc.language한국어-
dc.language.isoKOR-
dc.publisher한양대학교 이학기술연구소-
dc.titleDiels-Alder 반응을 통한 Cycloadducts of Bicyclolactone의 입체 이성질체 구조 연구-
dc.title.alternativeStructural studies of the stereochemical Cycloadducts of Bicyclolactone via Diels-Alder Reaction-
dc.typeArticle-
dc.publisher.location대한민국-
dc.identifier.bibliographicCitation이학기술연구지, v.8, pp 63 - 68-
dc.citation.title이학기술연구지-
dc.citation.volume8-
dc.citation.startPage63-
dc.citation.endPage68-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassdomestic-
dc.identifier.urlhttp://www.earticle.net/Article.aspx?sn=106222-
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ERICA 공학대학 (ERICA 에너지바이오학과)
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