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Search results for: nucleophilic substitution
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... hindered amides or for weak nucleophiles. Improved yields could ... prepared via the reaction of substituted methyl anthranilate with diverse ... 10.1021/cc800040z) . Aryl-substituted iso(thio) ...
... Organic Chemistry Portal FeCl3-Catalyzed Nucleophilic Substitution of Propargylic Acetates ... Enoxysilanes Zhuang-ping Zhan,* Xu-bin Cai, Shao-pei Wang ... route to tri- or tetrasubstituted furans. see article ...
... a chiral catalyst and a nucleophile. There are three ... . In general, aryl substituted stereogenic centers such as ... by the enantioselective reduction of trisubstituted alkenes. David W ...
... Key Words: LOW-VALENT-TITANIUM/NUCLEOPHILIC ACYL SUBSTITUTION/MEDIATED ... ACID-CHLORIDES/1-SUBSTITUTED CYCLOPROPANOLS/SUBSTITUTED CYCLOPROPANES Titanacyclopropanes as versatile ... CARBOXYLIC ESTERS/ACID-CHLORIDES/1-SUBSTITUTED CYCLOPROPANOLS/SUBSTITUTED CYCLOPROPANES ...
... REACTIONS/NUCLEOPHILIC-ADDITION/CARBON NUCLEOPHILES/BOND LOCALIZATION/ ... OXY-COPE/CYCLOADDITION REACTIONS/NUCLEOPHILIC-ADDITION/CARBON NUCLEOPHILES/ ... . Selective formation of highly substituted polycycles H. Butenschon ...
... from Amides via Novel Sequential Nucleophilic Substitution/Michael Reaction ... , vinyl Grignard reagents and N-nucleophiles. see article for ... Amides via Novel Sequential Nucleophilic Substitution/Michael Reaction A ...
... 2-diones with a variety of nucleophiles offer an efficient and ... route to substituted 3(2H) -furanones under ... cyclizations of 2-oxo-3-butynoic esters or disubstituted-1,2-diones with a ...
... but also functions as a nucleophile in the postcoupling cyclization ... formation sequence to prepare highly substituted quinazolines from benzimidates and ... maintain the catalytic cycle. N-Unsubstituted imine not only acts ...
... as Lewis acids and chloride nucleophiles enable selective and regiodivergent ... phenonium ions at either the substituted internal position (SnCl4 ... or unsubstituted terminal position (TiCl4) . These reactions ...
... for more reactions Mechanism of nucleophilic catalysis (see C ... 10.1002/anie.200503312 Abstract A nucleophile-catalyzed asymmetric [3 + ... been applied to reactions of trisubstituted olefins, thereby generating ...
