Prior investigations3 have shown that certain w-(N, N-dialky1amino)-alkyl phenyl sulfides possessed activity as local anesthetics comparable to procaine, 2-diethylaminoethyl 4- aminobenzoate. The dialkylaminoalkyl 2-alkoxy-4-aminothiolbenzoates were found by Clinton7 and his collaborators to possess very high local anesthetic activity. Ep-stein and Meyer8 recently reported that both mono-and dialkylaminoethyl esters of? n- ...
