Compounds of the general formula of Fig. 1, wherein D represents the atoms necessary to complete a 5- or 6-membered heterocyclic nucleus, which may bear a fused-on arylene ring, n is 1 or 2, R is H, alkyl, substituted alkyl, aryl, alkenyl, or alkylene, and R is acyl, substituted or not, are prepared by condensing a compound of the general formula of Fig. 3 or of Fig. 4 (wherein X is an acid residue) with an ester, anhydride, or acid chloride of an aliphatic, aromatic, or heterocyclic acid. N : N1-Bis-3-methylbenzthiazolylidene-malonamide is prepared by heating together N-methyl-2-iminodihydrobenzthiazole and ethyl malonate. N-3-phenylbenzthiazolylidene-acetamide, N-3-methylbenzthiazolylidene - acetamide, N - 3 - methylbenzthiazolylidene - benzthiazolyl - (2) - acetamide, N - 3 - methylbenzthiazolylidene - benzamide, N - 3 - benzthiazolylidene - acetoacetamide, N - benzthiazolylidene - benzamide - (2 - benzamidobenzthiazole) N - benziminazolylidene - benzamidobenziminazole), N - pyridyl-(4)-acetamide, N : N1-bis - 3 - methylbenzthiazolylidene - hydroquinonediacetamide, N - 6 : 7 - benzbenzininazolylidene - benzamide, N - benzoxazolylidene - benzamide, and N - pyridyl - (2) - benzoylacetamide are similarly prepared. Compounds of the general formula of Fig. 1, wherein R1 is an amido group and D, R, and n are as before, are prepared by condensing a compound of the general formula of Fig. 3 or of Fig. 4 (wherein X is an acid residue) with phosgene, urea, or a urea derivative. N-3-Methylbenzthiazolylidene-urea is prepared by melting together N-methyl-2-iminodihydrobenzthiazole and urea. 1 : 3 - Bis - benzthiazolylidene - acetamide is prepared by adding an ethenol solution of potassium hydroxide to a solution of N-3-methylbenzthiazolylidene - 3 - methylbenzthiazolyl acetamide iodide (prepared by heating N - 3 - methylbenzthiazolylidene - benzthiazolylacetamide with methyl iodide in a sealed tube).
一般公式如图1所示的化合物,其中D代表完成5-或6-成员杂环核所需的原子,可能带有融合的芳基环,n为1或2,R为H、烷基、取代烷基、芳基、烯基或烷基,R为酰基,取代或不取代,可通过将一般公式如图3或图4(其中X为酸残基)的化合物与脂肪族、芳香族或杂
环酸的酯、酐或酸
氯缩合而制备。N:N1-双-3-甲基苯
噻唑亚甲基丙二酰胺通过将N-甲基-2-
亚胺二氢苯
噻唑和
乙酸丙二酯一起加热制备。N-3-苯基苯
噻唑亚甲基乙酰胺、N-3-甲基苯
噻唑亚甲基乙酰胺、N-3-甲基苯
噻唑亚甲基苯
噻唑-(2)-乙酰胺、N-3-甲基苯
噻唑亚甲基
苯胺、N-3-苯
噻唑亚甲基
乙酰丙酮胺、N-苯
噻唑亚甲基
苯胺-(2-
苯胺基苯
噻唑)、N-苯
咪唑亚甲基
苯胺基苯
咪唑、N-
吡啶基-(4)-乙酰胺、N:N1-双-3-甲基苯
噻唑亚甲基
对苯二酚丙二酰胺、N-6:7-苯基
咪唑亚甲基
苯胺、N-苯氧
咪唑亚甲基
苯胺和N-
吡啶基-(2)-苯甲酰乙酰胺同样可以制备。一般公式如图1所示的化合物,其中R1为酰胺基团,D、R和n与前述相同,可通过将一般公式如图3或图4(其中X为酸残基)的化合物与
光气、
尿素或
尿素衍
生物缩合制备。N-3-甲基苯
噻唑亚甲基
尿素通过将N-甲基-2-
亚胺二氢苯
噻唑和
尿素熔融在一起制备。1:3-双-苯
噻唑亚甲基乙酰胺通过向N-3-甲基苯
噻唑亚甲基-3-甲基苯
噻唑乙酰胺
碘化物(通过在密封管中用
碘甲基加热N-3-甲基苯
噻唑亚甲基苯
噻唑乙酰胺制备)的溶液中加入
氢氧化钾的
乙醇溶液来制备。