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... Internal Alkynes Using Triarylbismuths as Multicoupling Organometallic Nucleophiles Maddali L. N. Rao* ... 1,1-dibromo-1-alkenes with triarylbismuth nucleophiles furnishes disubstituted alkynes directly. The couplings are very ...
... , N, O, and S nucleophiles, and intramolecular 5-exo-tet elimination of a ... Organic Chemistry Portal Novel Synthesis of 3-Substituted 2,3-Dihydrobenzofurans via ortho-Quinone Methide Intermediates ...
... , was established via the lithiation/nucleophilic addition reaction of 1,1-organodiboronates to ... Organic Chemistry Portal Stereoselective Synthesis of Tetrasubstituted Alkenylboronates via 1,1-Organodiboronates Kohei Endo ...
... rare type of umpolung reagent bearing a nucleophilic N-atom. The 1,4 , ... Organic Chemistry Portal General Synthesis of Fully Substituted 4-Aminooxazoles from Amides and 1,4 ...
... 100, 2835. Key Words: NUCLEOPHILIC ACYL SUBSTITUTION/TITANIUM ARYLOXIDE COMPOUNDS/ ... SYNTHESIS/EARLY-TRANSITION-METAL/OPTICALLY-ACTIVE 5-(TERT-BUTYLDIMETHYLSILOXY) -2-CYCLOHEXENONE/STEREOSELECTIVE COUPLING ...
... substrates were prepared in excellent yields by nucleophilic displacement of cyclic sulfamidates derived from amino ... Organic Chemistry Portal Synthesis of 2,6-Disubstituted Piperazines by a Diastereoselective Palladium-Catalyzed Hydroamination Reaction ...
... REDUCTIVE CYCLIZATION/HEXAMETHYLPHOSPHORIC TRIAMIDE HMPA/NUCLEOPHILIC ACYL SUBSTITUTION/CHAIN CARBOHYDRATE LACTONES/ ... BOND FORMATION/BARBIER-TYPE REACTION/ORGANIC-SYNTHESIS/RADICAL CYCLIZATION Sequenced reactions with samarium( ...
... of BSA and 1.5 equivalents of the nucleophile, yielding up to 99% with ... quaternary carbon centers using Pd-catalyzed asymmetric allylic substitution with various &# 946-keto esters. ...
... DOI: 10.1021/jo062376m Abstract The nucleophilic addition of sodium azide to 1, ... An Efficient Synthesis of E-Vinyl Azides and Polysubstituted Pyrroles Xian Huang,* Ruwei Shen ...
... Organic Chemistry Portal Nucleophilic Addition of Sulfonamides to Bromoacetylenes: Facile Preparation of Pyrroles ... a palladium catalyst under Heck conditions afforded substituted pyrroles in good yield. see article ...