1147304-41-3Relevant articles and documents
Oxidative Annulation of Arenecarboxylic and Acrylic Acids with Alkynes under Ambient Conditions Catalyzed by an Electron-Deficient Rhodium(III) Complex
Kudo, Eiji,Shibata, Yu,Yamazaki, Mutsumi,Masutomi, Koji,Miyauchi, Yuta,Fukui, Miho,Sugiyama, Haruki,Uekusa, Hidehiro,Satoh, Tetsuya,Miura, Masahiro,Tanaka, Ken
, p. 14190 - 14194 (2016)
It has been established that an electron-deficient CpErhodium(III) complex catalyzes the oxidative [4+2] annulation of substituted arenecarboxylic and acrylic acids with alkynes under ambient conditions (at RT–40 °C, under air) without using excess amounts of substrates to produce the corresponding substituted isocoumarins and α-pyrones in high yields. Minor modification of reaction conditions depending on the coordination ability of alkynes realized the high efficiency.
Ruthenium(II)-catalyzed C-H activation/alkyne annulation by weak coordination with O2 as the sole oxidant
Warratz, Svenja,Kornhaa?, Christoph,Cajaraville, Ana,Niep?tter, Benedikt,Stalke, Dietmar,Ackermann, Lutz
supporting information, p. 5513 - 5517 (2015/04/27)
Aerobic oxidative C-H functionalizations of weakly coordinating benzoic acids have been accomplished with versatile ruthenium(II) biscarboxylates under ambient oxygen or air. Mechanistic studies identified the key factors controlling the elementary step o
Waste-free synthesis of condensed heterocyclic compounds by rhodium-catalyzed oxidative coupling of substituted arene or heteroarene carboxylic acids with alkynes
Shimizu, Masaki,Hirano, Koji,Satoh, Tetsuya,Miura, Masahiro
body text, p. 3478 - 3483 (2009/09/30)
The direct oxidative coupling of 2-amino- and 2-hydroxybenzoic acids with internal alkynes proceeds efficiently in the presence of a rhodium/copper catalyst system under air to afford the corresponding 8-substituted isocoumarin derivatives, some of which
