科研之友
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摘要
Dimedone adduct with 1,2-dibenzoylethene in reaction with p-phenylenediamine formed a bispyrrole derivative, and with benzidine and ethylenediamine afforded the corresponding monopyrroles. The reaction of the initial adduct with tryptamine results in a product containing a pyrrole and an indole fragments. Both versions of N-heterocyclization proceed in the reaction with urea yielding derivatives of tetrahydroindole and pyrrole. In the reaction with hydrazine hydrate a substituted pyridazine was obtained as a result of a dimedone molecule elimination from the intermediate cyclization product.
- 出版日期2012-5
