6324-75-0Relevant articles and documents
RhIII-Catalyzed Synthesis of Highly Substituted 2-Pyridones using Fluorinated Diazomalonate
Das, Debapratim,Sahoo, Gopal,Biswas, Aniruddha,Samanta, Rajarshi
supporting information, p. 360 - 364 (2020/01/25)
A RhIII-catalyzed strategy was developed for the rapid construction of highly substituted 2-pyridone scaffolds using α,β-unsaturated oximes and fluorinated diazomalonate. The reaction proceeds through direct, site-selective alkylation based on migratory insertion and subsequent cyclocondensation. A wide substrate scope with different functional groups was explored. The requirement of fluorinated diazomalonate was explored for this transformation. The developed methodology was further extended with the synthesis of the bioactive compound.
Manganese catalyzed α-methylation of ketones with methanol as a C1 source
Bruneau-Voisine, Antoine,Pallova, Lenka,Bastin, Stéphanie,César, Vincent,Sortais, Jean-Baptiste
supporting information, p. 314 - 317 (2019/01/09)
The direct α-methylation of ketones with methanol under hydrogen borrowing conditions using a well-defined manganese PN3P complex as a pre-catalyst was, for the first time, achieved. The reactions typically proceed at 120 °C for 20 h with 3 mol% pre-catalyst loading and in the presence of NaOtBu (50 mol%) as base. The scope of the reaction was extended to the α-methylation of esters.
Platinum-catalyzed cyclization/[1,2]-alkyl migration/allyl shift/cyclization cascade of epoxy alkynyl allyl ethers: A step-economical route to spirobenzo[h]chromanones
Yang, Yan-Fang,Shu, Xing-Zhong,Luo, Jian-Yi,Ali, Shaukat,Liang, Yong-Min
supporting information; scheme or table, p. 8600 - 8604 (2012/09/07)
In tandem: A PtI4-catalyzed tandem reaction of epoxy alkynyl allyl ethers involving a cyclization, [1,2]-alkyl migration, O→C allyl shift, aromatic cyclization sequence has been achieved to synthesize spirobenzo[h]chromanones. The reaction simultaneously forms two adjacent stereocenters, one of which is a quaternary carbon atom (see scheme). Copyright