On May 22, 2019, Zhang, Yongqian; Tamijani, Ali A.; Taylor, Megan E.; Zhi, Bo; Haynes, Christy L.; Mason, Sara E.; Hamers, Robert J. published an article.SDS of cas: 929-37-3 The title of the article was Molecular Surface Functionalization of Carbon Materials via Radical-Induced Grafting of Terminal Alkenes. And the article contained the following:
Formation of functional monolayers on surfaces of carbon materials is inherently difficult because of the high bond strength of carbon and because common pathways such as SN2 mechanisms cannot take place at surfaces of solid materials. Here, we show that the radical initiators can selectively abstract H atoms from H-terminated carbon surfaces, initiating regioselective grafting of terminal alkenes to surfaces of diamond, glassy carbon, and polymeric carbon dots. NMR and XPS demonstrate formation of self-terminating organic monolayers linked via the terminal C atom of 1-alkenes. D. functional theory (DFT) calculations suggest that this selectivity is at least partially thermodn. in origin, as significantly less energy is needed to abstract H atoms from carbon surfaces as compared to typical aliphatic compounds The regioselectivity favoring binding to the terminal C atom of the reactant alkenes arises from steric hindrance encountered in bond formation at the adjacent carbon atom. Our results demonstrate that carbon surface radical chem. yields a versatile, selective, and scalable approach to monolayer formation on H-terminated carbon surfaces and provide mechanistic insights into the surface selectivity and regioselectivity of mol. grafting. The experimental process involved the reaction of 2-(2-(Vinyloxy)ethoxy)ethanol(cas: 929-37-3).SDS of cas: 929-37-3
The Article related to carbon material surface functionalization radical induced grafting terminal alkene, Physical Organic Chemistry: Other Reactions, Processes, and Spectra and other aspects.SDS of cas: 929-37-3
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