Visible-light-driven SAQS-catalyzed aerobic oxidative dehydrogenation of alkyl 2-phenylhydrazinecarboxylates

Abstract

Efficient and facile aerobic oxidative dehydrogenation for the synthesis of azo compounds has been achieved via visible-light-driven reaction in the presence of sodium anthraquinone sulfonate and K2CO3.

Visible‐Light‐Driven Sulfonamidation of Arylazo Sulfonesthrough One‐Pot Multicomponent Reaction

“…Based on the control experiments and the previously published literatures, [40][41][42][43][44][45] a plausible mechanism for this visible-light-induced multicomponent transformation is pro-…”

“…Based on the control experiments and the previously published literatures, [40–45] a plausible mechanism for this visible‐light‐induced multicomponent transformation is provided (Scheme 4). With irradiation of blue LED light, aryl radical II is generated via activation of arylazo sulfone 1 a , followed by homolytic scission of the N−S linkage (1nπ* excited state).…”

“…[30][31][32][33][34][35][36][37][38] However, photochemical reactions often require expensive photocatalysts such as complexes of Ir or Ru metals or dye compounds. [39][40][41][42] Therefore, it is useful to develop novel photocatalyst-free photochemical reactions.…”

“…Typically, photochemical methods are effectively used for reactions involving radical pathways to form C−C coupling or carbon‐heteroatom bonds [30–38] . However, photochemical reactions often require expensive photocatalysts such as complexes of Ir or Ru metals or dye compounds [39–42] . Therefore, it is useful to develop novel photocatalyst‐free photochemical reactions.…”

Visible-light-driven reactions for the synthesis of sulfur dioxide-inserted compounds: generation of S–F, S–O, and S–N bonds

“…These approaches have also provided novel and creative synthetic studies and can be applied to wide chemical reactions of compounds bearing sensitive functional groups. [59][60][61] Recently, photochemical reactions have been used for generation of sulfonic uorides, sulfonic esters, and sulfonamides.…”