Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... N-Methyl-Nm-nitrophenyl-(and m-nitrobenzyl-) chloromethanesulfonamides when treated with a strong base form corresponding α-chlorocarbanions which replace intramolecularly hydrogen according to the vicarious substitution scheme. ... Part 124 in the series Reactions of ...