Summary Substituted 2,4,S-trithiahexanes 1, a class of substances recently found in roasted meat, have been synthesized via two different routes. ... Introduction. - Investigations from this laboratory [ 11 have shown that com- pounds of the structural type 1 occur in the head-space of roasted pork meat (NMR. and MS.). In order to prove rigorously the individual structures 1 of the isolates, we have undertaken the syntheses of these compounds by two different ...