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Search results for: nucleophilic substitution
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... and p-toluenesulfonamide to provide pyranones. A nucleophilic addition of the vinylic C-H bond to ... cyclization and a second insertion to provide substituted butenolides. The elimination of sulfonamides occurs ...
... proposed reaction pathway Key Words allenes ( nucleophilic substitution , rearrangements ), Claisen rearrangement ... : J54-Y2021 ...
... )carbamate as a bifunctional N,O-nucleophile with high enantioselectivity and electronically controlled regioselectivity ... enantioselective intermolecular oxyamination of aryl- and alkyl-substituted alkenes with N-(fluorosulfonyl) ...
... the pyridinium salt and a subsequent intramolecularly nucleophilic addition sequence. see article for more ... I2-mediated reaction of pyridinium salts provides diversely substituted 2-formylpyrroles in good yields under operationally simple ...
... to initiate by conjugate addition of a nucleophilic propargylpalladium complex. see article for more ... conjugate acceptors and allenyl boronic ester provide substituted cyclopentenes in high yields and diastereoselectivities, ...
... enriched haloalkyl alcohols. A subsequent intramolecular nucleophilic substitution affords tetrahydrofurans. see article for ... examples Key Words Tetrahydrofurans , Selectfluor ID: J54-Y2019 ...
... The starting N-arylamines are readily obtained by nucleophilic iododifluoromethylation of iminium ions. see article ... mediates a synthesis of 3-fluoroindoles from N-arylamines substituted with the CF2I group in the presence ...
... pathway involves a sequence of protonation and nucleophilic substitution. see article for more examples ... Words amino esters , sulfonamides ID: J42-Y2016 ...
... two carbene fragments proceeds through the direct nucleophilic addition of diazo compounds to difluorocarbene derived ... . This transition-metal-free protocol efficiently affords various disubstituted 1,1-difluoroalkenes, including difluoroacrylates, ...
... could be converted to different derivatives via nucleophilic substitution. see article for more examples ... Words Oxazolines , PIDA ID: J42-Y2015 ...
