Thiazolopyrazines having growth inhibitory activity against microorganisms are of the formula ##STR1## wherein X is --Br, --Cl or F and R is --H or --CH.sub.3-x Y.sub.x, Y is --Br, --Cl, or F and x is 0, 1, 2 or 3. These compounds also have utility as intermediates for the preparation of three-ring compounds which are highly active against microorganisms.
具有抑制微
生物生长活性的
噻唑吡嗪的
化学式为##STR1##其中X为--Br,--Cl或F,R为--H或--CH.sub.3-x Y.sub.x,Y为--Br,--Cl或F,x为0、1、2或3。这些化合物也可用作制备对微
生物高度活性的
三环化合物的中间体。