Synthesis and acrosin inhibitory activities of substituted ethyl 5-(4-aminophenyl)-1H-pyrazole-3-carboxylate derivatives. 2011

Jingjing Qi, and Ju Zhu, and Xuefei Liu, and Lili Ding, and Canhui Zheng, and Guangqian Han, and Jiaguo Lv, and Youjun Zhou
Department of Medicinal Chemistry, School of Pharmacy, Second Military Medical University, Shanghai 200433, PR China.

A series of novel ethyl 5-(4-aminophenyl)-1H-pyrazole-3-carboxylate derivatives were designed and synthesized and their in vitro acrosin inhibitory activities were evaluated. Most of the compounds exhibited acrosin inhibitory activities. Among them, three compounds (5l, 5n, and 5v) were more potent than that of the control TLCK. These provide a new structural type for the development of novel contraceptive acrosin inhibitory agents.

UI MeSH Term Description Entries
D008297 Male Males
D011720 Pyrazoles Azoles of two nitrogens at the 1,2 positions, next to each other, in contrast with IMIDAZOLES in which they are at the 1,3 positions.
D002264 Carboxylic Acids Organic compounds containing the carboxy group (-COOH). This group of compounds includes amino acids and fatty acids. Carboxylic acids can be saturated, unsaturated, or aromatic. Carboxylic Acid,Acid, Carboxylic,Acids, Carboxylic
D003270 Contraceptive Agents Chemical substances that prevent or reduce the probability of CONCEPTION. Contraceptive,Contraceptive Effect,Contraceptive Effects,Contraceptives,Agents, Contraceptive,Effect, Contraceptive,Effects, Contraceptive
D005306 Fertilization The fusion of a spermatozoon (SPERMATOZOA) with an OVUM thus resulting in the formation of a ZYGOTE. Conception,Fertilization, Delayed,Fertilization, Polyspermic,Conceptions,Delayed Fertilization,Delayed Fertilizations,Fertilizations,Fertilizations, Delayed,Fertilizations, Polyspermic,Polyspermic Fertilization,Polyspermic Fertilizations
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000176 Acrosin A trypsin-like enzyme of spermatozoa which is not inhibited by alpha 1 antitrypsin. Acrosomal proteinase,Akrosin,M beta-Acrosin,M beta Acrosin,beta-Acrosin, M,proteinase, Acrosomal
D012984 Software Sequential operating programs and data which instruct the functioning of a digital computer. Computer Programs,Computer Software,Open Source Software,Software Engineering,Software Tools,Computer Applications Software,Computer Programs and Programming,Computer Software Applications,Application, Computer Software,Applications Software, Computer,Applications Softwares, Computer,Applications, Computer Software,Computer Applications Softwares,Computer Program,Computer Software Application,Engineering, Software,Open Source Softwares,Program, Computer,Programs, Computer,Software Application, Computer,Software Applications, Computer,Software Tool,Software, Computer,Software, Computer Applications,Software, Open Source,Softwares, Computer Applications,Softwares, Open Source,Source Software, Open,Source Softwares, Open,Tool, Software,Tools, Software
D013329 Structure-Activity Relationship The relationship between the chemical structure of a compound and its biological or pharmacological activity. Compounds are often classed together because they have structural characteristics in common including shape, size, stereochemical arrangement, and distribution of functional groups. Relationship, Structure-Activity,Relationships, Structure-Activity,Structure Activity Relationship,Structure-Activity Relationships
D014107 Tosyllysine Chloromethyl Ketone An inhibitor of SERINE ENDOPEPTIDASES. Acts as an alkylating agent and is known to interfere with the translation process. Chlorotosylamidoaminoheptanone,TLCK,Tosyllysyl Chloromethane,Chloromethane, Tosyllysyl,Chloromethyl Ketone, Tosyllysine,Ketone, Tosyllysine Chloromethyl

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