22955-77-7Relevant articles and documents
Diastereoselective intramolecular Ritter reaction: generation of a cis-fused hexahydro-4aH-indeno[1,2-b]pyridine ring system with 4a,9b-diangular substituents.
Van Emelen,De Wit,Hoornaert,Compernolle
, p. 3083 - 3086 (2000)
Indanol intermediates 5, prepared via Michael addition of 1-indanone beta-ketoester and acrylonitrile followed by reduction or Grignard reaction of the ketone group, were submitted to intramolecular Ritter reaction using various acid reaction conditions t
Enantioselective electrophilic trifluoromethylthiolation of β-ketoesters: A case of reactivity and selectivity bias for organocatalysis
Wang, Xueqiang,Yang, Tao,Cheng, Xiaolin,Shen, Qilong
, p. 12860 - 12864 (2013)
A chiral Lewis base or a phase-transfer catalyst (PTC) can mediate the highly enantioselective trifluoromethylthiolation of β-ketoesters with the previously developed SCF3 reagent (see scheme). Reactions of indanone-derived β-ketoesters occurre
Photo-organocatalytic enantioselective perfluoroalkylation of β-ketoesters
Wo?niak, ?ukasz,Murphy, John J.,Melchiorre, Paolo
, p. 5678 - 5681 (2015)
The visible-light-driven, phase-transfer-catalyzed, enantioselective perfluoroalkylation and trifluoromethylation of cyclic β-ketoesters is described. The photo-organocatalytic process, which occurs at ambient temperature and under visible light illumination, is triggered by the photochemical activity of in situ-generated electron donor-acceptor complexes, arising from the association of chiral enolates and perfluoroalkyl iodides. Preliminary mechanistic studies are reported.
Electrochemical α-thiolation and azidation of 1,3-dicarbonyls
Guo, Yonghong,He, Chuan,Ke, Jie,Zhu, Liru,Zu, Bing
supporting information, p. 2758 - 2761 (2022/03/07)
A highly efficient electrochemical α-thiolation and azidation of 1,3-dicarbonyl compounds is developed. This electrochemical process is conducted under mild conditions without the use of a chemical oxidant, and exhibits a wide scope with good functional g
Tosyloxybenziodoxolone: A Platform for Performing the Umpolung of Alkynes in One-Pot Transformations
Borrel, Julien,Waser, Jerome
supporting information, p. 142 - 146 (2021/12/27)
Ethynylbenziodoxolones (EBXs) are commonly encountered reagents for the electrophilic alkynylation of nucleophiles. Herein, we report a one-pot, two-step process for EBX generation and their direct application in substrate functionalization. Our approach enables us to bypass the originally mandatory isolation and purification of the reagents, resulting in a more efficient synthesis. We could apply this process to seven different transformations involving both two- and one-electron nucleophiles to obtain a large variety of alkynylated products.
APPLICATION OF METAL HYDRIDE/PALLADIUM COMPOUND SYSTEM IN PREPARATION OF 1,3-DICARBONYL COMPOUND IN CASCADE REACTION OF ELECTRON-DEFICIENT ALKENE COMPOUND
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Paragraph 0023-0038, (2021/07/10)
Provided is an application of a metal hydride/palladium compound system in the preparation of a 1,3-dicarbonyl compound in a cascade reaction of an electron-deficient alkene compound, said reaction comprising the following steps: under the protection of n