76620-28-5Relevant articles and documents
Formal metal-free γ-arylation of 1,3-dicarbonyl compounds: Via an isomerisation/1,4-addition/[3,3]-sigmatropic rearrangement sequence
Guan, Xi-Dong,Lu, Shi-Chao,Wen, Fu-Qiang
supporting information, p. 8964 - 8968 (2021/11/27)
A metal-free redox arylation of alkynes with sulfoxides has been developed to provide unconventional access to diverse γ-arylated 1,3-dicarbonyl compounds in an atom-economical manner. Mechanistic studies suggest that a conjugated allenone intermediate was generated in situ, which solves the problem of reactivity and regioselectivity of unsymmetrical dialkyl-substituted internal alkynes and enables the functionalisation of a broad range of substrates bearing electron-withdrawing functional groups. The resulting arylated 1,3-dicarbonyl compounds are versatile and useful building blocks for further functionalisation. This journal is
Indium-mediated highly regioselective reaction of prop-2-ynyl bromides with acyl cyanides in aqueous media: A convenient synthesis of allenic and propargylic ketones
Yoo, Byung-Woo,Lee, Sung-Jae,Choi, Kwang-Hyun,Keum, Sam-Rok,Ko, Jae-Jung,Choi, Kyung-Il,Kim, Joong-Hyup
, p. 7287 - 7289 (2007/10/03)
Indium-mediated reaction of acyl cyanides 1 with prop-2-ynyl bromides 2 in aqueous media occurs regioselectively to afford either allenic 3 or propargylic ketones 4 depending on the γ-substituent of the prop-2-ynyl bromide under the mild conditions.