Design and synthesis of 3-pyrazolyl-thiophene, thieno[2,3-d]pyrimidines as new bioactive and pharmacological activities

[摘要]：Two series of 5-ethyl-2-amino-3-pyrazolyl-4- methylthiophenecarboxylate and 2-thioxo-N-3-aminothieno[ 2,3-d]pyrimidines were prepared from 3,5-diethyl-2-amino-4-methylthio-phenecaboxylate and evaluated as anti-inflammatory, analgesic and ulcerogenic activities. Among the compounds studied, compounds which containing the substituted hydrazide at C-3 position 7, 16, and 17a showed more potent anti-inflammatory and analgesic activities than the standard drug (Indomethacin and Aspirin), along without ulcerogenity. While compounds 2, 5, 9, 10, and 11c showed moderate activities. Some of the newly synthesized compounds have good to excellent antimicrobial activity. (C) 2008 Elsevier Ltd. All rights reserved.

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