AN EFFICIENT SYNTHESIS OF (<i>E</i>)-3-[(DIMETHYLAMINO)METHYLIDENE]FURAN- 2(3<i>H</i>)-THIONES AND TRANSAMINATION REACTIONS THEREOF
Keywords:
N,N-dimethylformamide dimethyl acetal, furan-2(3H)-ones, Lawesson's reagent, push-pull furan-2(3H)-thiones, transamination reactionAbstract
The conditions were developed and the optimal temperature regime was selected for a selective thionation of 5-aryl-3-[(dimethylamino)methylidene]furan-2(3H)-ones with Lawesson's reagent. The stereochemistry of the synthesized 3-[(dimethylamino)methylidene]furan-
2(3H)-thiones was established. Based on this, a number of 3-arylaminomethylidenefuran-2(3H)-thiones were synthesized via transamination reaction.
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Published
2024-05-28
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Original Papers