Efficient sonochemical synthesis of novel 3,5-diaryl-4,5-dihydro-1<i>H</i>-pyrazole-1-carboximidamides期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Efficient sonochemical synthesis of novel 3,5-diaryl-4,5-dihydro-1H-pyrazole-1-carboximidamides

Authors:	Lucas Pizzuti Paula LG Martins Bruna A Ribeiro Frank H Quina Ernani Pinto Alex FC Flores Dalila Venzke Claudio MP Pereira

Institution:	1. Centro de Capacitação e Pesquisa em Meio Ambiente (CEPEMA-USP), Universidade de São Paulo, 11573-000 Cubatão, SP, Brazil;2. Departamento de Química, Universidade Federal de Santa Maria, 97105-900 Santa Maria, RS, Brazil;3. Instituto de Química, Universidade de São Paulo, CP 26077, 05513-970 São Paulo, SP, Brazil;4. Departamento de Química e Geociências, Universidade Federal de Pelotas, 96010-900 Pelotas, RS, Brazil;5. Departamento de Análises Clínicas e Toxicológicas, Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, 05508-900 São Paulo, SP, Brazil

Abstract:	An ultrasound-assisted preparation of a series of novel 3,5-diaryl-4,5-dihydro-1H-pyrazole-1-carboximidamides that proceeds via the efficient reaction of chalcones with aminoguanidine hydrochloride under clean conditions is described.

Keywords:	Pyrazoles Green chemistry Carboximidamides Ultrasonic irradiation
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