Acetic Anhydride → HCID 178471962, compound
Reaction equation
[CH3:1][C:2]1[C:15]([F:16])=[C:14]([F:17])[CH:13]=[C:12]([F:18])[C:3]=1[C:4]([CH2:6][C:7]([O:9][CH2:10][CH3:11])=[O:8])=[O:5].[CH:19]([O-])([O-])OCC.C(OC(=O)C)(=O)C.Cl.[NH2:33][C:34]1[CH:38]=[N:37][S:36][N:35]=1>>[S:36]1[N:37]=[CH:38][C:34]([NH:33][CH:19]=[C:6]([C:4](=[O:5])[C:3]2[C:12]([F:18])=[CH:13][C:14]([F:17])=[C:15]([F:16])[C:2]=2[CH3:1])[C:7]([O:9][CH2:10][CH3:11])=[O:8])=[N:35]1Participants
5
Procedure
Compound No. 157 (colorless needles) was prepared in a similar manner to Example 17, proceeding from the corresponding compounds ethyl 2-methyl-3,4,6,-trifluorobenzoylacetate, ethyl orthoformate, acetic anhydride and 3-amino-1,2,5-thiadiazole hydrochloride.