Catalytic sp<sup>3</sup> C–H Oxidation of Peptides and Their Analogues by Radical Cation Salts: From Glycine Amides to Quinolines
作者:Xiaodong Jia、Yaxin Wang、Fangfang Peng、Congde Huo、Liangliang Yu、Jing Liu、Xicun Wang
DOI:10.1021/jo401018v
日期:2013.9.20
A catalytic α-sp3 C–H oxidation of peptides and glycine amides was achieved under radicalcation salt catalysis in the presence of O2, producing a series of substituted quinolines. The scope of this reaction shows good functional group tolerance and high efficiency of the oxidative functionalization.
Copper Triflate Catalyzed Oxidative α-Allylation of Glycine Derivatives
作者:Chun Cai、Ting-Ting Chen
DOI:10.1055/s-0036-1588158
日期:2017.7
Copper triflate catalyzedoxidative C–H functionalization of glycine derivatives with allyltributyltin has been established using oxygen or tert-butyl hydroperoxide as oxidant. Various glycine esters and glycine amides were suitable substrates for this oxidative allylation reaction and afforded the desired homoallylic amines in moderate to good yields.
Tris(4-bromophenyl)aminium Hexachloroantimonate-Initiated Oxidative Povarov-Type Reaction between Glycine Esters and (Cyclopropylidenemethyl)benzenes Using the Counterion as a Chlorine Donor
-initiated oxidative Povarov-type reactionbetween glycines and methylenecyclopropanes was realized in the presence of dioxygen, in which the counterion, SbCl6–, served as a chlorine atom donor, enabling the synthesis of a series of chlorinated quinolines in high yields. The mechanistic study showed that the chlorination step might be related to antimony chloride via a radical chlorine atom transfer
An Efficient Route to Quinolines and Other Compounds by Iron-Catalysed Cross-Dehydrogenative Coupling Reactions of Glycine Derivatives
作者:Peng Liu、Zhiming Wang、Jue Lin、Xianming Hu
DOI:10.1002/ejoc.201101656
日期:2012.3
A simple method has been developed for functionalizing glycinederivatives by iron-catalysedcross-dehydrogenativecoupling (CDC) reactions. In particular, N-arylglycine derivatives reacted with alkynes by oxidative C–H/C–H couplingreactions to provide a series of substituted quinolines starting from commercially inexpensive materials. Moreover, N-arylglycine esters can be oxidatively coupled to ketones