2,3,8,9-Tetrahydro-5H,6H-thiazolo[3,2-a]thiopyrano[4,3-d]pyrimidines of the structure ##STR1## are provided wherein R is hydrogen, lower alkyl, halogen, acyl, cyano, carboxyl, trifluoromethyl or lower alkoxy, n is 0 or 2 and m is 2 or 3. These compounds are useful in the treatment of auto-immune disorders, such as rheumatoid arthritis.
提供了结构为##
STR1##的2,3,8,9-四
氢-5H,6H-
噻唑并[3,2-a]
噻吩[4,3-d]
嘧啶,其中R为
氢,低烷基,卤素,酰基,
氰基,羧基,三
氟甲基或低烷
氧基,n为0或2,m为2或3。这些化合物在治疗自身免疫性疾病,如类风湿性关节炎方面有用。