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dc.contributor.authorPipaliya, B. V.-
dc.contributor.authorSeth, K.-
dc.contributor.authorChakraborty, A. K.-
dc.date.accessioned2021-07-26T23:39:26Z-
dc.date.available2021-07-26T23:39:26Z-
dc.date.issued2021-06-27-
dc.identifier.urihttp://localhost:8080/xmlui/handle/123456789/2237-
dc.description.abstractFunctionalization of the bio-relevant heterocycles 2-arylbenzo[d]oxazole and 2-arylbenzo[d]thiazole has been achieved through Ru(II)-catalyzed alkenylation with unactivated olefins leading to selective formation of the monoalkenylated products. This approach has a broad substrate scope with respect to the coupling partners, affords high yields, and works for gram scale synthesis using a readily available Ru-based catalyst. Mechanistic studies reveal a C H activation pathway for the dehydrogenative coupling leading to the alkenylation. However, the results of the ESI-MS-guided deuterium kinetic isotope effect studies indicate that the C H activation stage may not be the rate-determining step of the reaction. The use of a radical scavenging agent such as TEMPO did not show any detrimental effect on the reaction outcome, eliminating the possibility of the involvement of a free-radical pathen_US
dc.language.isoen_USen_US
dc.titleRuthenium (II) catalyzed C(sp2 ) H bond alkenylation of 2- Arylbenzo[d]oxazole and 2-Arylbenzo[d]thiazole with unactivated olefinsen_US
dc.typeArticleen_US
Appears in Collections:Year-2021

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