Zobrazeno 1 - 1
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pro vyhledávání: '"Husien. H. Temirek"'
Publikováno v:
Oriental Journal Of Chemistry. 28:1567-1578
Pyromellitic dianhydride 1 was used as starting compound for the synthesis of some new derivatives of condensed dipyrrole, dibenzoxazine, and dipyridazine. Thus, the diimide 2 was formed on fusion of 1 with urea, thiourea and/or thiosemicarbazide. Al