51788-87-5Relevant articles and documents
Ene reactions of 2-borylated α-methylstyrenes: A practical route to 4-methylenechromanes and derivatives
Boureghda, Chaima,Macé, Aurélie,Berrée, Fabienne,Roisnel, Thierry,Debache, Abdelmadjid,Carboni, Bertrand
, p. 5789 - 5800 (2019)
4-Methylenechromanes were prepared via a three-step process from 2-borylated α-methylstyrenes. This sequence is based on a key glyoxylate-ene reaction catalyzed by scandium(iii) triflate. The resulting γ-hydroxy boronates, which cyclise to seven-membered
Preparation method of silicon spiro compound (by machine translation)
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Paragraph 0292-0294, (2020/06/17)
The invention discloses a preparation method of a silicon spiro compound. The invention provides a preparation method of a silicon spiro compound as shown in a formula II, which comprises the following steps: in a solvent, a compound represented by the formula III is subjected to cyclization reaction under the presence of a monovalent rhodium catalyst and a phosphine ligand to obtain the silicon spiro compound as shown in the formula II. The preparation method of the silicon spiro compound can be simple. , The establishment of the silicon spiro compound is realized conveniently and efficiently. (by machine translation)
Pd-Catalyzed Enantioselective Ring Opening/Cross-Coupling and Cyclopropanation of Cyclobutanones
Cao, Jian,Chen, Ling,Sun, Feng-Na,Sun, Yu-Li,Jiang, Ke-Zhi,Yang, Ke-Fang,Xu, Zheng,Xu, Li-Wen
supporting information, p. 897 - 901 (2019/01/04)
A palladium-catalyzed enantioselective sequential ring-opening/cross-coupling of cyclobutanones is disclosed that provides chiral indanones bearing C3-quaternary stereocenters. The reaction process involves palladium-catalyzed nucleophilic addition of cyc