Results 31 to 40 of about 17,659 (225)
Gold(I)-catalysed one-pot synthesis of chromans using allylic alcohols and phenols [PDF]
, 2013 A gold(I)-catalysed reaction of allylic alcohols and phenols produces chromans regioselectively via a one-pot Friedel–Crafts allylation/intramolecular hydroalkoxylation sequence.
Barker, Graeme +3 more
core +2 more sources
Synthesis of highly alkylated functionalized cyclopentadienes [PDF]
, 1988 Tetra- and pentaalkylated cyclopentadienyl ketones and carboxylic acids are prepared by electrophilic allylation of enolizible 1,3-dicarbonyl compounds and successive acid catalyzed ...
Koschinsky, Rainer +2 more
core +1 more source
Platinum-Catalyzed Allylation of 2,3-Disubstituted Indoles with Allylic Acetates
Molecules, 2017 Given the importance of heterocycle indole derivatives, much effort has been directed toward the development of methods for functionalization of the indole nucleus at N1 and C3 sites.
Bai-Jing Peng +2 more
doaj +1 more source
Allylation of aldehydes with various allylation agents
Results in ChemistryAllylation of aldehydes is one of the most important organic transformations that helps in the synthesis of compounds with special skeletons with unique medicinal properties.
Yavar Ahmadi
doaj +1 more source
The Cu(OTf)2 catalysed microwave assisted synthesis of a new scaffold, 7-aryl-7,8-dihydropyrido[4,3-c]pyridazin-5(6H)-one [PDF]
, 2014 The synthesis of novel 7-aryl-7,8-dihydropyrido[4,3-c]pyridazin-5(6H)-ones is described including a one-step Mannich-type reaction followed by intramolecular ring closure of ethyl 3-methylpyridazine-4- carboxylate and aldimines, catalysed by the Lewis ...
De Coen, Laurens +5 more
core +2 more sources
Molecules, 2019 The organo-catalyzed enantioselective benzylation reaction of α-trifluoromethoxy indanones afforded α-benzyl-α-trifluoromethoxy indanones with a tetrasubstituted stereogenic carbon center in excellent yield with moderate enantioselectivity
Yumeng Liang +3 more
doaj +1 more source
Molecules, 2022 Unprecedented tandem allylic alkylation/intermolecular Michael addition was used in the preparation of novel bicyclic azalides. NMR spectroscopy was used not only to unambiguously determine and characterize the structures of these unexpected products of ...
Sulejman Alihodžić +3 more
doaj +1 more source
Re2O7-catalyzed reaction of hemiacetals and aldehydes with O-, S-, and C-nucleophiles
Beilstein Journal of Organic Chemistry, 2013 Re(VII) oxides catalyze the acetalization, monoperoxyacetalization, monothioacetalization and allylation of hemiacetals. The reactions, which take place under mild conditions and at low catalyst loadings, can be conducted using hemiacetals, the ...
Wantanee Sittiwong +4 more
doaj +1 more source
Palladium-Catalyzed Allylation/Benzylation of H-Phosphinate Esters with Alcohols
Molecules, 2016 The Pd-catalyzed direct alkylation of H-phosphinic acids and hypophosphorous acid with allylic/benzylic alcohols has been described previously. Here, the extension of this methodology to H-phosphinate esters is presented. The new reaction appears general,
Anthony Fers-Lidou +2 more
doaj +1 more source
Diastereoselective allylation and crotylation of N-tert-butanesulfinyl imines with allylic alcohols [PDF]
, 2014 The palladium-catalyzed allylation of N-tert-butanesulfinyl imines with allylic alcohols in the presence of InI as reducing reagent takes place with high diastereoselectivity in reasonable yields.
Foubelo, Francisco +3 more
core +2 more sources