A series of ureas derivedfromphenethylamines were synthesized and evaluated for human carbonic anhydrase (hCA) I and II, acetylcholinesterase (AChE), and butyrylcholinesterase (BChE) enzyme inhibitoryactivities and antioxidant properties. The ureas were synthesized from the reactions of substituted phenethylamines with N,N‐dimethylcarbamoyl chloride; then, the synthesized compounds were converted
合成了一系列源自苯乙胺的尿素,并评估了人类碳酸酐酶 (hCA) I 和 II、乙酰胆碱酯酶 (AChE) 和丁酰胆碱酯酶 (BChE) 的酶抑制活性和抗氧化特性。脲由取代苯乙胺与 N,N-二甲基氨基甲酰氯反应合成;然后,合成的化合物通过 O-去甲基化转化为相应的酚类衍生物。hCA I 和 II 被新合成的化合物有效抑制,hCA I 的 Ki 值范围为 0.307–0.432 nM,hCA II 的 Ki 值范围为 0.149–0.278 nM。另一方面,这些化合物的 AChE 和 BChE 的 Ki 参数分别在 0.129–0.434 和 0.095–0.207 nM 的范围内确定。酚醛脲也显示出良好的抗氧化活性。
Improved Methods for the Synthesis of N-Acyltetrahydroisoquinolines
作者:A. P. Venkov、L. K. Lukanov
DOI:10.1080/00397919208021138
日期:1992.12
One-pot procedures for the synthesis of N-acyltetrahydroisoquinolines have been developed from 2-phenylethylamines, acyl chlorides or carboxylic acids and aldehydes.
Venkov A. P., Lukanov L. K., Synth. Commun., 22 (1992) N 22, S 3235-3242
作者:Venkov A. P., Lukanov L. K.
DOI:——
日期:——
Synthesis of novel sulfonamides with anti‐Alzheimer and antioxidant capacities
sulfonyl chlorination of the urea derivative, gave benzene-1-sulfonyl chloride 9, which was reacted with NH3 (aq) or N-alkyl amines to give related sulfonamides. The O-demethylation reaction of the subsequent compounds with BBr3 afforded four novel phenolic dopamine analogs including sulfonamide and urea in the same structure. The anticholinergic and antioxidant effects of the synthesized compounds were