Thiosulfonylation of unactivated alkenes
WebJan 1, 2024 · Li et al. (2013) also used SelectFluor®s 2 as fluorine transfer reagent to develop a mild and catalytic intramolecular aminofluorination of unactivated alkenes 7a-f.The best catalyst for these reactions was AgNO 3, which efficiently produced various 5-fluoromethyl- γ-lactams 8 (Scheme 3).It should be noted that substrates with different … WebNov 1, 2024 · The development of this protocol for arylamination of unactivated alkenes was limited by three fundamental issues: (1) undesired competitive cross-couping between arylboron reagents and O ...
Thiosulfonylation of unactivated alkenes
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WebMar 22, 2024 · An efficient visible-light photocatalytic protocol for the vicinal heteroarylsulfonylation and oximinosulfonylation of unactivated olefins is described. The addition of sulfonyl radicals to alkenes triggers the intramolecular migration of remote heteroaryl and oximino groups via C C bond cleavage.The transformation features a good … WebA bidentate directing group-assisted Ni-catalyzed three component 1,2-carbosulfenylation of unactivated alkenes with aryl/alkenylboronic acids and disulfide electrophiles is reported. The reaction affords the desired products with high levels of chemo- and regioselectivity. A wide range of aryl groups and sulfur moieties can be simultaneously ...
WebNov 1, 2024 · In this communication, a transition metal-free radical 1,2-difunctionalization of unactivated alkenes via FSO 2 -radical addition with subsequent vicinal alkynylation to … WebA bidentate directing group-assisted Ni-catalyzed three component 1,2-carbosulfenylation of unactivated alkenes with aryl/alkenylboronic acids and disulfide electrophiles is reported. …
WebApr 12, 2024 · Remarkably, trifluoromethyl-thiosulfonylation of alkenes using PhSO 2 SCF 3 has been achieved by combining gold and photoredox catalysis with excellent atom … Webalkenes and the radical nature of the reaction is compatible with polar substrates, which are important for industrial applications.6 Amidyl radical addition to alkenes for intramolecular cycli-zation7 and the intermolecular addition to activated alkenes8 have been well explored. Unactivated alkenes are more chal-
WebOct 19, 2024 · The reactions afford previously unknown 3,3-difluoro-5-styrylpiperidin-2-one derivatives or β-styryl-γ-difluoroalkyl amines bearing a quaternary stereocenter. This is the first report of difunctionalization of unactivated alkenes through desulfonylation-initiated distal alkenyl migration.
WebAug 9, 2024 · Here, we report the first establishment of radical hydro-fluorosulfonylation of alkenes, which is enabled by using 1-fluorosulfonyl 2-aryl benzoimidazolium (FABI) as an effective redox-active radical precursor. ... This method provides a new and facile approach for the synthesis of aliphatic sulfonyl fluorides from unactivated alkenes, and can ... signal 1 twitterWebOct 19, 2024 · The reactions afford previously unknown 3,3-difluoro-5-styrylpiperidin-2-one derivatives or β-styryl-γ-difluoroalkyl amines bearing a quaternary stereocenter. This is the … signal 1 weatherWebFeb 1, 2024 · Thiosulfonates add to unactivated alkenes under solvent-free conditions in a mixer mill made of stainless steel. The thiosulfonylation tolerates a wide ringe of functional groups and leads to high ... signal2domain.onlineWebJun 23, 2024 · Thiosulfonates add to unactivated alkenes under solvent-free conditions in a mixer mill made of stainless steel. The thiosulfonylation tolerates a wide ringe of … signal 1 shorelinesignal 1 summer cash registerWebThiosulfonates add to unactivated alkenes under solvent-free conditions in a mixer mill made of stainless steel. The thiosulfonylation tolerates a wide range of functional groups … signal 1 stoke on trentWebGadde, K., Mampuys, P., Guidetti, A., Ching, H. V., Herrebout, W. A., Van Doorslaer, S., … Maes, B. U. W. (2024). Thiosulfonylation of Unactivated Alkenes with ... signal 1 school closures