Simonetti, Marco published the artcileRuthenium-catalyzed C-H arylation of benzoic acids and indole carboxylic acids with aryl halides, Computed Properties of 1877-71-0, the publication is Chemistry – A European Journal (2017), 23(3), 549-553, database is CAplus and MEDLINE.
Herein we report the first Ru-catalyzed C-H arylation of benzoic acids with readily available aryl (pseudo)halides. Arenecarboxylic acids 2-MeC6H4CO2H, 1-methyl-7- or 6-indolecarboxylic acids undergo ortho-directed arylation with aryl halides Ar1X, catalyzed by [Ru(tBuCN)6][BPF4]2, giving the corresponding 6-methyl-1,1′-biphenyl-2-carboxylic 6(5)-Ar1-7(6)-indolecarboxylic acids, resp. The reaction, which does not require the use of silver salt additives, allows the arylation of previously challenging hindered benzoic acids and the use of generally unreactive ortho-substituted haloarenes. Furthermore, our new protocol can efficiently be applied to indole carboxylic acids, thus allowing access to C7-, C6-, C5- and C4-arylated indole compounds, a departure from the classical enhanced reactivity of the C2 and C3 positions of indole.
Chemistry – A European Journal published new progress about 1877-71-0. 1877-71-0 belongs to esters-buliding-blocks, auxiliary class Carboxylic acid,Benzene,Ester, name is 3-(Methoxycarbonyl)benzoic acid, and the molecular formula is C9H4F6O, Computed Properties of 1877-71-0.
Referemce:
https://en.wikipedia.org/wiki/Ester,
Ester – an overview | ScienceDirect Topics