Riemschneider Thiocarbamate Synthesis

R. Riemschneider, F. Wojahn, Pharmazie 4, 460 (1949); Chim. Ind. (Paris) 64, 99 (1950); Pharm. Zentralhalle 89, 118 (1950).

The action of concentrated sulfuric acid followed by treatment with ice-water serves to transform arylthiocyanates into the corresponding thiocarbamates:

R. Riemschneider, Chim. Ind. (Milan) 33, 483 (1951); idem et al., J. Am. Chem. Soc. 73, 5905 (1951); R. Riemschneider, G. Orlick, Angew. Chem. 64, 420 (1952); R. Riemschneider, Chim. Ind. (Milan) 34, 353 (1952); idem, Z. Naturforsch. 7b, 277 (1952); R. Riemschneider, G. Orlick, Monatsh. 84, 316 (1953); K. Schmidt, P. Kolleck-Bös, J. Am. Chem. Soc. 75, 6067 (1953).