New carbothioamides, linked to chromene or benzo[f]chromene units, were taken as key synthons for the present study. These carbothioamides were prepared, in good yields, by the cyclocondensation of...

中文翻译：

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连接到噻唑单元的新型双（色烯）和双（苯并[f]色烯）的有效合成和表征

与色烯或苯并 [f] 色烯单元相连的新硫代酰胺被视为本研究的关键合成子。这些硫代碳酰胺以良好的收率通过...的环缩合反应制备。