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Catalytic Enantioselective Construction of Alkylated Stereogenic Centers
... 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 ...
URL: https://www.organic-chemistry.org/Highlights/2006/16January.shtm
Novel Pyridine-Catalyzed Reaction of Dimethyl Acetylenedicarboxylate with Aldehydes and N-Tosylimines: Efficient Synthesis of 2-Benzoylfumarates and 1-Azadienes
... , imines , pyridine, nucleophilic additions, dimethyl acetylenedicarboxylate ... dipolarophiles the reaction afforded highly substituted 1-azadienes. see article ... the reaction of DMAD with N-substituted isatins, resulting in ...
URL: https://www.organic-chemistry.org/abstracts/literature/240.shtm
Author: L. A. Paquette
... 1. Key Words: nucleophilic displacement; field effects ... RING-EXPANSION/REGIOCONTROLLED CONSTRUCTION/SUBSTITUTED QUINONES/DIMETHYL SQUARATE ... /CYCLOPENTANES/NATURAL PRODUCTS Silyl-Substituted Cyclopropanes as Versatile Synthetic ...
URL: https://www.organic-chemistry.org/abstracts/authors/paquette-l-a.shtm
Author: O. G. Kulinkovich
... 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 ...
URL: https://www.organic-chemistry.org/abstracts/authors/kulinkovich-o-g.shtm
Author: H. Butenschoen
... REACTIONS/NUCLEOPHILIC-ADDITION/CARBON NUCLEOPHILES/BOND LOCALIZATION/ ... OXY-COPE/CYCLOADDITION REACTIONS/NUCLEOPHILIC-ADDITION/CARBON NUCLEOPHILES/ ... . Selective formation of highly substituted polycycles H. Butenschon ...
URL: https://www.organic-chemistry.org/abstracts/authors/butenschoen-h.shtm
Gold-Catalyzed Highly Efficient Access to 3(2H)-Furanones from 2-Oxo-3-butynoates and Related Compounds
... 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 ...
URL: https://www.organic-chemistry.org/abstracts/lit1/346.shtm
Novel Sequential Process from N-Methoxyamides and Vinyl Grignard Reagents:? New Synthesis of ?-Aminoketones
... 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 ...
URL: https://www.organic-chemistry.org/abstracts/lit0/166.shtm
Reagent Control Enables Selective and Regiodivergent Opening of Unsymmetrical Phenonium Ions
... 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 ...
URL: https://www.organic-chemistry.org/abstracts/lit7/329.shtm
Potassium Periodate Mediated Oxidative Cyclodesulfurization toward Benzofused Nitrogen Heterocycles
... -, and N,S-bis-nucleophiles, followed by an ... in situ generated monothioureas provides substituted 2-aminobenzazole derivatives in very ... The reaction of isothiocyanates with ortho-substituted anilines bearing N, ...
URL: https://www.organic-chemistry.org/abstracts/lit7/432.shtm
Cu-Catalyzed Asymmetric Allylic Alkylations of Aromatic and Aliphatic Phosphates with Alkylzinc Reagents. An Effective Method for Enantioselective Synthesis of Tertiary and Quaternary Carbons
... the challenges in using alkyl nucleophiles. The method shows ... reactions. Key Words Allylic Substitutions ID: J48-Y2004-1690 ...
URL: https://www.organic-chemistry.org/abstracts/literature/268.shtm
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