“…2-Amino-1,3-thiazines and their derivatives are chemically and pharmaceutically interesting entities and are used as antimicrobial agents [9], cannabinoid receptor agonists [10,11], phagocytic mimetics [12], vasopressin receptor antagonists [13], antioxidants [14], analgesic, anti-inflammatory [15], and antifilarial agents [16], metalloprotease inhibitors [17], and antihypertensive agents [18]. The presence of N-C-S linkage is believed to account for the extensive biological activities of the thiazine nucleus.…”