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pro vyhledávání: '"M Rafat, Mohareb"'
Autor:
M Rafat, Mohareb, A Peter, Halim
Publikováno v:
Acta chimica Slovenica. 65(3)
The reaction of anthranilic acid with ethoxycarbonylisothiocyanate gave the ethyl 4-oxo-2-thioxo-1,2-dihydroquinazoline-3(4H)-carboxylate (4). The reaction of compound 4 with hydrazine hydrate and ∆-halocarbonyl derivatives was found to give either