[EN] INDANE, DIHYDROBENZOFURAN, AND TETRAHYDRONAPHTHALENE CARBOXYLIC ACID DERIVATIVES AND THEIR USE AS ANTIDIABETICS [FR] DERIVES D'ACIDE CARBOXYLIQUE D'INDANE, DE DIHYDROBENZOFURANE ET DE TETRAHYDRONAPHTHALENE ET LEURS UTILISATIONS COMME ANTIDIABETIQUES
[EN] INDANE, DIHYDROBENZOFURAN, AND TETRAHYDRONAPHTHALENE CARBOXYLIC ACID DERIVATIVES AND THEIR USE AS ANTIDIABETICS [FR] DERIVES D'ACIDE CARBOXYLIQUE D'INDANE, DE DIHYDROBENZOFURANE ET DE TETRAHYDRONAPHTHALENE ET LEURS UTILISATIONS COMME ANTIDIABETIQUES
Pyrazole synthesis under microwave irradiation and solvent-free conditions
作者:Lilian Buriol、Clarissa P. Frizzo、Mara R. B. Marzari、Dayse N. Moreira、Liziê D. T. Prola、Nilo Zanatta、Helio G. Bonacorso、Marcos A. P. Martins
DOI:10.1590/s0103-50532010000600012
日期:——
study of solvent-free reaction conditions using microwaveirradiation (MW) to obtain 4,5-dihydro-1H-pyrazoles and dehydrated pyrazoles by the cyclocondensation reaction of 4-alkoxy-1,1,1-trifluoro-3-alken-2-ones [CF3C(O)CH=C(R1)OR, where R/R1 = Et/H, Me/Me and Me/Ph] with hydrazines [NH2NH-R2, where R2 = CO2Me, Ph, CH2CH2OH]. Some reactions were performed under the same reaction conditions using methanol