A new palladium‐catalyzed intramolecular oxidativecycloisomerization of readily available starting materials, 2‐cinnamyl‐1,3‐dicarbonyls, has been demonstrated for the creation of structurally diverse 2‐benzyl furans. The cycloisomerization occurs by a regioselective 5‐exo‐trig pathway. The reaction shows a broad substrate scope with good to excellent yields. Furthermore, a one‐pot procedure has been
Alkylacetylenes in Mercuration-Demercuration Reactions with 1,3-Dicarbonyl Compounds
作者:N. G. Hobosyan、K. V. Balyan、A. R. Pogosyan、A. B. Sargsyan
DOI:10.1134/s1070363221110013
日期:2021.11
Abstract The reactions of nucleophilic addition of СН-acids to terminal alkynes under electrophilic catalysis with mercury(II) acetate were studied. As a result of mercury-demercuration reactions, the corresponding aromatic and linear derivatives were obtained. A method was proposed for the regeneration of the resulting amorphous mercury by reduction into mercury(II) acetate.
摘要 研究了在亲电催化下,СН-酸与末端炔烃的亲核加成反应。作为汞-脱汞反应的结果,获得了相应的芳族和线性衍生物。提出了一种通过还原为乙酸汞 (II) 来再生所得无定形汞的方法。