Bis(trialkylsilyl) peroxides as alkylating agents in the copper-catalyzed selective mono-N-alkylation of primary amides
作者:Ryu Sakamoto、Shunya Sakurai、Keiji Maruoka
DOI:10.1039/c7cc02910a
日期:——
The copper-catalyzed selective mono-N-alkylation of primary amides with bis(trialkylsilyl) peroxides as alkylating agents was reported. The results of a mechanistic study suggest that this reaction should proceed via a free radical process that includes the generation of alkyl radicals from bis(trialkylsilyl) peroxides.
Alkylsilyl Peroxides as Alkylating Agents in the Copper-Catalyzed Selective Mono-<i>N</i>
-Alkylation of Primary Amides and Arylamines
作者:Ryu Sakamoto、Shunya Sakurai、Keiji Maruoka
DOI:10.1002/chem.201702217
日期:2017.7.6
alkylsilyl peroxides as alkylating agents is reported. The reaction proceeds under mild reaction conditions and exhibits a broad substrate scope with respect to the alkylsilyl peroxides, as well as to the primary amides and arylamines. Mechanistic studies suggest that the present reaction should proceed through a free-radical process that includes alkyl radicals generated from the alkylsilyl peroxides.
novel method for the generation of alkyl radicals from alkylsilyl peroxides and their applications to the Cu-catalyzed mono-N-alkylation of amides or arylamines, and to the O-alkylation of carboxylic acids. The use of alkylsilyl peroxides as alkyl radical sources includes the following synthetic advantages: i) various alkylsilyl peroxides can be readily synthesized from the corresponding alcohols and be
The present invention relates to new compounds having modulatory (inhibitory and stimulatory) activity on serine peptidases and proteases in general and dipeptidyl peptidase IV, prolyl oligopeptidase (PO), dipeptidyl peptidase II (DPP II), fibroblast activation protein &agr; (FAP&agr;), lysosomal Pro—X carboxypeptidase and elastase in particular. These new compounds can be used for the treatment of a variety of disease states in which these peptidases are involved.