Scandium trifluoromethanesulfonate sc otf 3
WebKobayashi, Shū; Hachiya, Iwao; Ishitani, Haruro; Araki, Mitsuharu: Scandium Trifluoromethanesulfonate (Sc(OTf) 3) as a Novel Reusable Lewis Acid Catalyst in Aldol … WebApr 14, 2005 · Abstract. Rates of Diels-Alder cycloadditions of anthracenes with methyl vinyl ketone (MVK) are accelerated significantly by the presence of scandium triflate [Sc …
Scandium trifluoromethanesulfonate sc otf 3
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WebCAS: 144026-79-9: Molecular Formula: C 3 F 9 O 9 S 3 Sc: Molecular Weight (g/mol) 492.17: MDL Number: MFCD00192433: InChI Key: HZXJVDYQRYYYOR-UHFFFAOYSA-K: Synonym: scandium iii trifluoromethanesulfonate, scandium trifluoromethanesulfonate, scandium iii triflate, scandium triflate, sc otf 3, scandium 3+ ; trifluoromethanesulfonate, … Webtransformations.4 Among triflate salts, the applications of scandium(III) trifluoromethanesulfonate [Sc(OTf) 3, scandium triflate] as a Lewis acid catalyst have increased rapidly in the variety of organic transformations that can be effected.5-17 The catalytic applicability of this mild catalyst is well documented in the literature,
Webscandium (III) trifluoromethanesulfonate (Sc(OTf)3, 98%) and 1,3,5-tris(4-aminophenyl)-benzene (TAPB, ... Sc(OTf)3 (0.73 m) in dioxane/mesitylene (0.1 ml, 2/1 v/v) was added to the mixture and stirring was maintained at room temperature for 3 days. The obtained COF was collected by filtration and dried in vacuum at 40 ℃. WebOct 4, 2010 · A catalytic amount of scandium trifluoromethanesulfonate [Sc(OTf) 3] (2.5 mol%) was used to catalyze the Michael addition of indoles to nitroolefins in water to afford the corresponding 3-alkylated indoles in good to excellent yields. The short reaction times, ...
WebNov 30, 2001 · We have thus reached a critical stage in the total synthesis: unification of the two large fragments (14, 19) and subsequent manipulations of the resulting compounds, which span over 3 nm . First, the scandium trifluoromethanesulfonate–promoted condensation between the β-alkoxy aldehyde 19 and the 1,4-diol 14 afforded dioxepane … WebLookchem Provide Cas 925933-54-6 Basic information: structure,molecular formula,safety information, MSDS, technical documents, related articles, process route, Upstream and downstream products & more at Lookchem. We also Provide suppliers and manufacturers and reference price for 925933-54-6.
WebTo identify a more effective catalyst, we investigated Sc(III)-pybox complexes with NaBArF [BArF = B(3,5-C6H3(CF3)2)4] (Table 1, entries 5-9).[14] A significant activating effect was observed for both ScCl3- and Sc(OTf)3-derived complexes, affording spirocyclopentane 4a[15] with high yield and up to 97:3 enantioselectivity (entries 5 and 6).
WebAug 23, 2016 · The performance of the sustainable biocatalyst SPRIN liposorb CALB [an immobilized form of Candida antarctica lipase B (CALB); SPRIN technologies] and the organo-base catalyst 1,5,7-triazabicyclo[4,4,0]dec-5-ene (TBD) were compared with two metal-based catalysts: dibutyl tin oxide (DBTO) and scandium trifluoromethanesulfonate … strict implementation of laws leads to orderWebSynonyms: Scandium(III) trifluoromethanesulfonate, Trifluoromethanesulfonic acid scandium(III) salt. CAS 144026-79-9. Molecular Weight 492.16. Browse Scandium(III) … strict inequality meaningWebMetal trifluoromethanesulfonate catalysis in organic synthesis ... Examples include the use of scandium triflate (Sc(OTf) 3) to catalyse Friedel-Crafts acylation, strict inequality graph