[C:1]1([NH:7][C:8](=O)[CH:9]=[CH:10][S:11][C:12]2[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.S(Cl)([Cl:21])=O>CN(C)C=O>[C:1]1([N:7]=[C:8]([Cl:21])[CH:9]=[CH:10][S:11][C:12]2[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1Thus, for example, IN 2003-MU444 describes the reaction of N-cyclohexyl-5-hydroxypentanamide with phosphorus pentachloride to give 5-chloro-N-cyclohexylpentaneimidoyl chloride. WO 2007/063702 provides the reaction of N-phenyl-3-(phenylsulphanyl)acrylamide with thionyl chloride and catalytical amounts of N,N-dimethylformamide to give N-phenyl-3-(phenylsulphanyl)prop-2-enimidoyl chloride.
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