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Síntese de 1h-pirazóis usando irradiação de ultra-som e de 2-pirrolonas derivadas do ácido levulínico
(Universidade Federal de Santa MariaBRQuímicaUFSMPrograma de Pós-Graduação em Química, 2008-11-25)
This work describes the synthesis of 4,5-dihydropirazoles through a sonochemical methodology, from the reaction of cyclocondensation of 1,3-diaryl-2-propen-1-ones with aminoguanidine hydrochloride and thiosemicarbazide. ...
1-[2-(4-Nitrophenyl)-5-(5-phenyl-1,2-oxazol-3-yl)-1,2,3, 4-tetrahydroquinolin-4-yl]pyrrolidin-2-one
(2011-02)
The title compound, (I) C28H24N4O 4, is the trans diastereoisomer of the compound 1-[2-(4-nitrophenyl)- 6-(5-phenyl-3-isoxazolyl)-1,2,3,4-tetrahydro-4-quinolinyl]-2-pyrrolidinone monohydrate, (II) [Gutierrez et al. (2011). ...
The stereochemistry of the addition of chlorotitanium enolates of N-acyl oxazolidin-2-ones to 5- and 6- membered N-acyliminium ions
(Sociedade Brasileira de Química, 2001)
The stereochemistry of the addition of chlorotitanium enolates of N-acyl oxazolidin-2-ones to 5-and 6-membered N-acyliminium ions
(Soc Brasileira QuimicaSao PauloBrasil, 2001)