Arvind Jaganathan
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View article: Desymmetrization of Bisallylic Amides: A Catalytic Enantioselective Diastereoselective Chlorocyclization Strategy
Desymmetrization of Bisallylic Amides: A Catalytic Enantioselective Diastereoselective Chlorocyclization Strategy Open
(DHQD)2PHAL-catalyzed diastereoselective and enantioselective chlorocyclization reactions of bisallylic amides were achieved with N-chlorophthalimide (NCP) as the chlorinating reagent. A series of chlorinated oxazines bearing three contigu…
View article: Synthesis of <i>N</i>-Bromo and <i>N</i>-Iodo Imides: A Rapid Redox-Neutral and Bench Stable Process
Synthesis of <i>N</i>-Bromo and <i>N</i>-Iodo Imides: A Rapid Redox-Neutral and Bench Stable Process Open
This report presents a rapid, ecofriendly technique for the formation of commonly used N-bromo and N-iodinating reagents by reacting readily available N-chloro derivatives with inorganic bromide and iodide salts. All reagents were easily h…
View article: Absolute and relative facial selectivities in organocatalytic asymmetric chlorocyclization reactions
Absolute and relative facial selectivities in organocatalytic asymmetric chlorocyclization reactions Open
For four related 1,1-disubstituted olefins, (DHQD)2PHAL-catalyzed asymmetric chlorocyclization delivers Cl+uniformly to one π face, but cyclizes with strong but differing netsyn vs. antiaddition.
View article: Highly Regio- and Enantioselective Vicinal Dihalogenation of Allyl Amides
Highly Regio- and Enantioselective Vicinal Dihalogenation of Allyl Amides Open
We report a highly regio-, diastereo- and enantioselective vicinal dihalogenation of allyl amides. E- and Z-alkenes with both aryl and alkyl substituents were compatible with this chemistry. This is the result of exquisite catalyst control…