I can do it! Accelerated by simple iodide ions, rhodium‐catalysed transferhydrogenation can be readily performed on quinolines, isoquinolines and quinoxalines, affording the tetrahydro products in high yields with low catalyst loading (see scheme).
[EN] 4- [HETEROCYCLYL-METHYL] -8-FLUORO-QUINOLIN-2-ONES USEFUL AS NITRIC OXIDE SYNTHASE INHIBITORS<br/>[FR] 4-[HÉTÉROCYCLYLMÉTHYL]-8-FLUORO-QUINOLIN-2-ONES UTILES COMME INHIBITEURS DE L'OXYDE NITRIQUE SYNTHASE
申请人:KALYPSYS INC
公开号:WO2009029625A1
公开(公告)日:2009-03-05
Novel compounds of formulae (II, III) and pharmaceutical compositions have been found to inhibit inducible NOS synthase wherein: R4, R5, R6 and R7 are independently selected from the group consisting of hydrogen, lower alkyl, and halogen; and, R8 has the structure whrein X1, X2, X3, X4, X5, X6, R9, R13, R14 and n are as described herein.
Synthesis of Tetrahydroquinolines via Borrowing Hydrogen Methodology Using a Manganese PN<sup>3</sup> Pincer Catalyst
作者:Natalie Hofmann、Leonard Homberg、Kai C. Hultzsch
DOI:10.1021/acs.orglett.0c02905
日期:2020.10.16
simple secondary alcohols is reported. This one-pot cascade reaction is based on the borrowinghydrogenmethodology promoted by a manganese(I) PN3 pincer complex. The reaction selectively leads to 1,2,3,4-tetrahydroquinolines thanks to a targeted choice of base. This strategy provides an atom-efficient pathway with water as the only byproduct. In addition, no further reducing agents are required.
The disclosure features macrocyclic compounds, and pharmaceutical compositions and protein complexes thereof, capable of inhibiting Ras proteins, and their uses in the treatment of cancers.
In buffered water, a broad range of quinoline derivatives underwent asymmetrictransferhydrogenation in air with the rhodium catalyst 1 and sodium formate as the hydrogen source to furnish synthetically important 1,2,3,4‐tetrahydroquinolines with excellent enantioselectivities (see scheme; R=H, Me, F, Cl, Br, OMe; R′=alkyl, aryl).
在缓冲水中,各种各样的喹啉衍生物在空气中以铑催化剂1和甲酸钠作为氢源进行不对称转移加氢,以提供具有重要对映选择性的重要合成1,2,3,4-四氢喹啉(参见方案; R = H,Me,F,Cl,Br,OMe; R'=烷基,芳基)。