Synthesis of α-Tertiary Amine Derivatives by Intermolecular Hydroamination of Unfunctionalized Alkenes with Sulfamates under Trifluoromethanesulfonic Acid Catalysis
作者:Jun Fei、Zhen Wang、Zheren Cai、Hao Sun、Xu Cheng
DOI:10.1002/adsc.201500646
日期:2015.12.14
An efficient and mild trifluoromethanesulfonic acid-catalyzed hydroamination of unfunctionalized alkenes to afford α-tertiary amine derivatives at temperatures as low as room temperature is reported. 2,2,2-Trifluoroethyl sulfamate was found to be the optimal nitrogen source because its good solubility in both organic solvents and water facilitated both conversion and purification. The reaction conditions
Conjugate addition reaction of heteroaryl halides to activatedolefins has been successfully achieved by nickel catalysis combined with the consumable anode procedure and provides access to various functionalized hetertoaryl compounds with potential biological activity.
Iridium(I)-Catalyzed Regioselective CH Activation and Hydrogen-Isotope Exchange of Non-aromatic Unsaturated Functionality
作者:William J. Kerr、Richard J. Mudd、Laura C. Paterson、Jack A. Brown
DOI:10.1002/chem.201405114
日期:2014.11.3
technology of increasing importance for the investigation of new CH activation and functionalization techniques, as well as in the construction of labelled molecules for use within both organic synthesis and drug discovery. Herein, we report for the first time selective iridium‐catalyzed CH activation and hydrogen‐isotope exchange at the β‐position of unsaturated organic compounds. The use of our highly
Cobalt‐Catalyzed Asymmetric 1,4‐Reduction of
<i>β,β‐</i>
Dialkyl
<i>α</i>
,
<i>β</i>
‐Unsaturated Esters with PMHS
作者:Dongpo Lu、Peng Lu、Zhan Lu
DOI:10.1002/ejoc.202100856
日期:2021.9.14
A cobalt-catalyzed asymmetric reduction of β,β-dialkyl α,β-unsaturatedesters with polymethylhydrosiloxane (PMHS) was reported to deliver the corresponding esters containing a chiral trialkyl carbon center at β-position with up to 97 % yield and 98 % ee. The chiral tridentate ligand oxazoline iminopyridine (OIP) could perform well for the asymmetric reduction instead of chiral bidentate ligands. This
2,5-DIOXOIMIDAZOLIDIN-1-YL-3-PHENYLUREA DERIVATIVES AS FORMYL PEPTIDE RECEPTOR LIKE-1 (FPRL-1) RECEPTOR MODULATORS
申请人:Allergan, Inc.
公开号:US20130123215A1
公开(公告)日:2013-05-16
The present invention relates to novel 2,5-dioxoimidazolidin-1-yl-3-phenylurea derivatives, processes for preparing them, pharmaceutical compositions containing them and their use as pharmaceuticals as modulators of the N-formyl peptide receptor like-1 (FPRL-1) receptor.