Nickel-Catalyzed Esterification of Aliphatic Amides
作者:Liana Hie、Emma L. Baker、Sarah M. Anthony、Jean-Nicolas Desrosiers、Chris Senanayake、Neil K. Garg
DOI:10.1002/anie.201607856
日期:2016.11.21
demonstrated that amides can be used in nickel‐catalyzed reactions that lead to cleavage of the amide C−N bond, with formation of a C−C or C−heteroatom bond. However, the general scope of these methodologies has been restricted to amides where the carbonyl is directly attached to an arene or heteroarene. We now report the nickel‐catalyzed esterification of amides derived from aliphatic carboxylic acids
An economical approach for peptide synthesis<i>via</i>regioselective C–N bond cleavage of lactams
作者:Wataru Muramatsu、Hisashi Yamamoto
DOI:10.1039/d2sc01466a
日期:——
An economical, solvent-free, and metal-free method for peptidesynthesis via C–N bond cleavage using lactams has been developed. The method not only eliminates the need for condensation agents and their auxiliaries, which are essential for conventional peptidesynthesis, but also exhibits high atom economy. The reaction is versatile because it can tolerate side chains bearing a range of functional
A method of producing a polypeptide compound, wherein a peptide compound represented by formula (P) is obtained by inducing an amide formation reaction between an amino-protected lactam compound represented by formula (R1) and an amino acid ester or peptide ester compound represented by formula (R2).
The definitions for the reference signs in formulae (R1), (R2), and (P) are as set forth in the claims.
Palladium-catalyzed coupling of vinyl phosphates with aryl or heteroaryl boronic acids. Application to the synthesis of substituted nitrogen containing heterocycles
Substituted nitrogen-containing heterocycles were prepared in three steps from commercially available derivatives via an extension of the Suzuki reaction involving the palladium-catalyzedcoupling of vinyl phosphates with aryl or heteroaryl boronic acids.