Outer-sphere coordination chemistry: Amido-ammonium ligands as highly selective tetrachloridozinc(II)ate extractants
Eight new amido functionalized reagents, L1-L8, have been synthesized containing the sequence of atoms R2N-CH 2-NR′-CO-R″, which upon protonation forms a six-membered chelate with a hydrogen bond between the ter
Turkington, Jennifer R.,Cocalia, Violina,Kendall, Katrina,Morrison, Carole A.,Richardson, Patricia,Sassi, Thomas,Tasker, Peter A.,Bailey, Philip J.,Sole, Kathryn C.
p. 12805 - 12819
(2013/02/22)
Simple method for benzamidomethylation of phenols in water solution
Benzamidomethyl ethers ROCH2NHBz (5) (R = aryl, cyclohexyl and benzyl) were obtained in high yields in reactions of ROH (4) with (benzamidomethyl)triethylammonium chloride 3 as a benzamidomethylation agent. Reactions occurred in water, except r
AN EXPLANATION FOR THE FAILURE OF AMINOMETHANESULFONIC ACID TO FORM SULFONAMIDES. ACYL CHLORIDE-PROMOTED GENERATION OF α-CARBOXAMIDOALKYLATING ELECTROPHILES.
Attempted N,N-dibenzoylation of aminomethanesulfonic acid results in C-S bond cleavage, generating synthetically useful α-benzamidomethylating electrophiles.The importance of this observation in regard to the reported failures to prepare sulfonamide analogs of peptides is discussed.
Moe, Gregory R.,Sayre, Lawrence M.,Portoghese, Philip S.
p. 537 - 540
(2007/10/02)
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