The author of 《Photoredox-catalyzed stereoselective alkylation of enamides with N-hydroxyphthalimide esters via decarboxylative cross-coupling reactions》 were Guo, Jing-Yu; Zhang, Ze-Yu; Guan, Ting; Mao, Lei-Wen; Ban, Qian; Zhao, Kai; Loh, Teck-Peng. And the article was published in Chemical Science in 2019. HPLC of Formula: 94928-86-6 The author mentioned the following in the article:
Stereoselective β-C(sp2)-H alkylation of enamides with redox-active N-hydroxyphthalimide esters via a photoredox-catalyzed decarboxylative cross-coupling reaction was demonstrated. This methodol. featured an operational simplicity, broad substrate scopes and excellent stereoselectivities and functional group tolerance, affording a diverse array of geometrically defined and synthetically valuable enamides bearing primary, secondary or tertiary alkyl groups in satisfactory yields. In the experiment, the researchers used many compounds, for example, fac-Tris(2-phenylpyridine)iridium(cas: 94928-86-6HPLC of Formula: 94928-86-6)
fac-Tris(2-phenylpyridine)iridium(cas: 94928-86-6) belongs to pyridine. Pyridine is very deactivated towards electrophilic substitution with respect to benzene. For this reason classical formylation, using methods such as the Gattermann or Vilsmeier reactions, are not generally successful. HPLC of Formula: 94928-86-6