In an article, author is Zhou, Wen-Jun, once mentioned the application of 56341-37-8, Name is 6-Chlorooxindole, molecular formula is C8H6ClNO, molecular weight is 167.5923, MDL number is MFCD00209962, category is indolines-derivatives. Now introduce a scientific discovery about this category, COA of Formula: C8H6ClNO.
Reductive dearomative arylcarboxylation of indoles with CO2 via visible-light photoredox catalysis
Catalytic reductive coupling of two electrophiles and one unsaturated bond represents an economic and efficient way to construct complex skeletons, which is dominated by transition-metal catalysis via two electron transfer. Herein, we report a strategy of visible-light photoredox-catalyzed successive single electron transfer, realizing dearomative arylcarboxylation of indoles with CO2. This strategy avoids common side reactions in transition-metal catalysis, including ipso-carboxylation of aryl halides and beta -hydride elimination. This visible-light photoredox catalysis shows high chemoselectivity, low loading of photocatalyst, mild reaction conditions (room temperature, 1atm) and good functional group tolerance, providing great potential for the synthesis of valuable but difficultly accessible indoline-3-carboxylic acids. Mechanistic studies indicate that the benzylic radicals and anions might be generated as the key intermediates, thus providing a direction for reductive couplings with other electrophiles, including D2O and aldehyde. Catalytic reductive coupling of two electrophiles and one C=C bond is usually performed by two electron transfer metal catalysis. Herein, the authors show a visible light photoredox-catalyzed successive single electron transfer leading to dearomative arylcarboxylation of indoles with CO2 and generating indoline-3-carboxylic acids.
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