Reaction of 4-phenylthiosemicarbazide and thiosemicarbazide with dialkyl acetylene dicarboxylate in CH2Cl2 at microwave irradiation lead to alkyl-3-amino-2-phenyliminothiazolidine-4-one-5-ylidene acetate and alkyl-3-amino 2-iminothiazolidine-4-one-5-ylidene acetate in moderate yields and short times. Di-t-butylacetylenedicarboxylate have a different treatment and the cyclization products is not observed. The structures of the synthesized compounds were elucidated by elemental analysis and spectral data.
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Fiocruz MS, Inst Tecnol Farmacos, Farmanguinhos, BR-21041250 Rio De Janeiro, BrazilFiocruz MS, Inst Tecnol Farmacos, Farmanguinhos, BR-21041250 Rio De Janeiro, Brazil
Cunico, Wilson
Vellasco Junior, Walcimar T.
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Fiocruz MS, Inst Tecnol Farmacos, Farmanguinhos, BR-21041250 Rio De Janeiro, BrazilFiocruz MS, Inst Tecnol Farmacos, Farmanguinhos, BR-21041250 Rio De Janeiro, Brazil
Vellasco Junior, Walcimar T.
Moreth, Marcele
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Fiocruz MS, Inst Tecnol Farmacos, Farmanguinhos, BR-21041250 Rio De Janeiro, BrazilFiocruz MS, Inst Tecnol Farmacos, Farmanguinhos, BR-21041250 Rio De Janeiro, Brazil
Moreth, Marcele
Gomes, Claudia R. B.
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Fiocruz MS, Inst Tecnol Farmacos, Farmanguinhos, BR-21041250 Rio De Janeiro, BrazilFiocruz MS, Inst Tecnol Farmacos, Farmanguinhos, BR-21041250 Rio De Janeiro, Brazil