反应详情

A solution of 2.5 gm of 2-guanidino-4-(3-amino-phenyl)-thiazole in 7.5 gm of N,N-dimethylformamide diethylacetal was stirred at room temperature for 2 days. Addition of diethyl ether precipitated a solid which was filtered off and dried, yielding 2.4 gm of the title compound.

1. customprecipitated a solid which
2. filtrationwas filtered off
3. customdried