The author of 《Direct C-H Carbamoylation of Nitrogen-Containing Heterocycles》 were Jouffroy, Matthieu; Kong, Jongrock. And the article was published in Chemistry – A European Journal in 2019. Category: esters-buliding-blocks The author mentioned the following in the article:
Using bench stable and com. available alkyl oxamate and oxamic acid derivatives in combination with photoredox catalysis, a direct carbamoylation of heterocycles yielding amide functionalized pharmacophores in a single step was reported. The reaction conditions reported are compatible with structurally complex heterocyclic substrates of pharmaceutical interest. Notably, derivatives containing functional groups incompatible with standard amidation reactions, such as carboxylic acids and unprotected amines, were found to be amenable to this reaction paradigm. In the experiment, the researchers used Ethyl oxalyl monochloride(cas: 4755-77-5Category: esters-buliding-blocks)
Ethyl oxalyl monochloride(cas: 4755-77-5) belongs to acyl chlorides. In the laboratory, acyl chlorides are generally prepared by treating carboxylic acids with thionyl chloride (SOCl2). The reaction is catalyzed by dimethylformamide and other additives.Category: esters-buliding-blocks
Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics