نتایج جستجو برای: silanes
تعداد نتایج: 586 فیلتر نتایج به سال:
Self assembly provides a simple route to organise suitable organic molecules on noble metal surface by using long chain organic molecules with various functionalities like -SH,-COOH,-NH2 , Silanes etc. These surfaces can be used to build up interesting nano level architectures. Self assembly is an interesting process for biological relevance because it provides a novel approach to complex struc...
9. Jammah AA, Driedger A, Rachinsky I. Incidental finding of ovarian teratoma on post-therapy scan for papillary thyroid cancer and impact of SPECT/CT imaging. Arq Bras Endocrinol Metab. 2011;55:490--3. 10. Van Wijk JPH, Broekhuizen-de Gast HS, Smits AJJ, Schipper MEI, Zelissen PMJ. Scintigraphic detection of benign ovarian teratoma after total thyroidectomy and radioactive iodine for different...
† Earlier versions of this paper were presented at the Second Asian Conference on Corporate Governance (2002), 8th Mitsui Life Symposium on Global Financial Markets (2002), International Monetary Fund (2003), KAEA (Korea America Economic Association) annual meeting (2003), Korea Fair Trade Commission (2002), Korea Association of Industrial Organization (2002), KDI School of Public Policy and Ma...
The oxidative coupling of enolates, enol silanes, and enamines provides a direct method for the construction of useful 1,4-dicarbonyl synthons. Despite being first reported in 1935, with subsequent important advances beginning in the 1970's, the development of this powerful reaction into a reliable methodology was somewhat limited. In recent years, there have been a number of reports from sever...
A new method for the intramolecular glycosylation of alcohols is described. Utilizing carbohydrate-derived silanes, the catalytic dehydrogenative silylation of alcohols is followed by intramolecular glycosylation. Appropriate combinations of silane position and protecting groups allow highly selective access to β-manno, α-gluco, or β-gluco stereochemical relationships as well as 2-azido-2-deoxy...
Regioand stereoselective photoallylation of electron-deficient alkenes by use of allylic silanes via photoinduced electron transfer has been described. Similar photoinduced functionalization reactions such as arylmethylation, alkylation, and silylation can be achieved by using a variety of organosilicon compounds. These photoreactions proceed via radical cations of organosilicon compounds and r...
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