Aminocarbonylations Employing Mo(CO)<sub>6</sub> and a Bridged Two-Vial System: Allowing the Use of Nitro Group Substituted Aryl Iodides and Aryl Bromides
作者:Patrik Nordeman、Luke R. Odell、Mats Larhed
DOI:10.1021/jo302322w
日期:2012.12.21
A bridged two-vial system aminocarbonylation protocol where Mo(CO)6 functions as an external in situ solid source of CO has been developed. For the first time both nitro group containing aryl/heteroaryl iodides and bromides gave good to excellent yields in the Mo(CO)6-mediated and palladium(0)-catalyzed conversion to benzamides, while the identical one-vessel protocol afforded extensive reduction of
Application of phase-vanishing method with CO gas evolution to carbonylation reactions
作者:Yusuke Adachi、Hiroshi Matsubara
DOI:10.1016/j.jfluchem.2018.10.006
日期:2018.12
Although carbonmonoxide (CO) is considered a practical source of the carbonyl functionality in various compounds, handling CO gas is difficult. The phase-vanishing (PV) method, using highly fluorinated solvents as the phase screen, was thus employed, in which CO was evolved for use in organic synthesis. An H-shaped reactor bearing two reaction chambers was employed. In the first chamber, CO was efficiently
A simple NaOMe catalyst provides superior accessibility to a wide variety of functionalized amides including peptides through direct amination of esters in an atom-economical and environmentally benign way.
A palladium-catalyzed, microwave assisted carbonylative reaction is described for the synthesis of benzamides fromarylbromides and primary or secondary amines. The developed method uses bis(cyclopentadienyldicarbonyliron) as a solid source of carbon monoxide to produce a diverse set of secondary and tertiary amides in 42–82% yield.
Atmospheric Oxygen Facilitated Oxidative Amidation to α-Ketoamides and Unusual One Carbon Degradative Amidation to <i>N</i>-Alkyl Amides
作者:Jaydeepbhai P. Jadav、Jigarkumar K. Vankar、Ankush Gupta、Guddeangadi N. Gururaja
DOI:10.1021/acs.joc.3c00457
日期:2023.11.17
form oxidative amidation product α-ketoamides and unusual degradative amidation product N-alkyl amides by simply changing the amine substitute. Atmospheric air containing molecular oxygen proved to be an ideal oxidant for an amidation reaction. Under similar conditions, the electron-deficient gem-dibromoalkenes play a dual role with different formamides forming novel oxidative amidation products and