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(一)4-溴代-丁腈與苯隣二羧醯-鉀亞胺在乙醇中互相作用卽得4-(苯隣二羧醯-亞氨基)-丁腈。 (二)4-(苯隣二羧醯-亞氨基)-丁腈與硫化氫起作用卽得4-(苯隣二羧醯-亞氨基)-丁硫醯胺。 (三)4-(苯隣二羧醯-亞氨基)-丁硫醯胺與1,3-二氯代丙酮縮合則成2-(γ-苯隣二羧醯-亞氨基)-正丙基-4-氯代-甲基-噻唑。 (四)2-(γ-苯隣二羧醯-亞氨基)-正丙基-4-氯代-甲基-噻唑與二乙胺起作用卽成2-(γ-苯隣二羧醯-亞氨基)-正丙基-4-N-二乙氨基-甲基-噻唑。後者與聯氨水合物起作用形成2-γ-氨基-正丙基-4-N-二乙氨基-甲基-噻唑。
(A) 4-bromo-butyronitrile and phthalic acid o-dicarboximide interact in ethanol to obtain 4- (benzene dicarboximide-imino) -butyronitrile. (B) 4- (benzene dicarboximide - imino) - butyronitrile and hydrogen sulfide play a role 卽 Got 4- (benzene dicarboximide - imino) - Butylamine amine. (C) 2- (γ-benzene dicarboximide-imino) -n-propyl group is condensed with 4- (benzenecarboxydimonium-imino) -butanaphthaleneamine and 1,3-dichloroacetone -4-chloro-methyl-thiazole. (4) 2- (γ-benzene dicarboximide-imino) -n-propyl-4-chloro-methyl- Imino) -n-propyl-4-N-diethylamino-methyl-thiazole. The latter functions with hydrazine hydrate to form 2-γ-amino-n-propyl-4-N-diethylamino-methyl-thiazole.