84102-89-6Relevant articles and documents
Directed Hydroxylation of sp2 and sp3 C-H Bonds Using Stoichiometric Amounts of Cu and H2O2
Trammell, Rachel,D'Amore, Lorenzo,Cordova, Alexandra,Polunin, Pavel,Xie, Nan,Siegler, Maxime A.,Belanzoni, Paola,Swart, Marcel,Garcia-Bosch, Isaac
, p. 7584 - 7592 (2019/06/11)
The use of copper for C-H bond functionalization, compared to other metals, is relatively unexplored. Herein, we report a synthetic protocol for the regioselective hydroxylation of sp2 and sp3 C-H bonds using a directing group, stoichiometric amounts of Cu and H2O2. A wide array of aromatic ketones and aldehydes are oxidized in the carbonyl γ-position with remarkable yields. We also expanded this methodology to hydroxylate the β-position of alkylic ketones. Spectroscopic characterization, kinetics, and density functional theory calculations point toward the involvement of a mononuclear LCuII(OOH) species, which oxidizes the aromatic sp2 C-H bonds via a concerted heterolytic O-O bond cleavage with concomitant electrophilic attack on the arene system.
SUBSTITUTED 4-ARYL-1,4-DIHYDRO-1,6-NAPHTHYRIDINES AND USE THEREOF
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Page/Page column 20-21, (2010/12/29)
The present application relates to novel substituted 4-aryl-1,4-dihydro-1,6-naphthyridines, a process for their preparation, their use for the treatment and/or prophylaxis of diseases, and their use for the manufacture of medicaments for the treatment and/or prophylaxis of diseases, especially cardiovascular disorders.
Phenylglycine derivatives useful for treating disorders of the central nervous system
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, (2008/06/13)
A pharmaceutical compound of the formula: STR1 in which R1 is hydrogen, hydroxy or C1-6 alkoxy, R2 is hydrogen, carboxy, tetrazolyl, --SO2 H, --SO3 H, --OSO3 H, --CONHOH, or --P(OH)OR', --PO(OH)OR', --OP(OH)OR' or --OPO(OH)OR' where R' is hydrogen, C1-6 alkyl, C2-6 alkenyl or aryl C1-6 alkyl, R3 is hydrogen, hydroxy or C1-4 alkoxy, and R4 is fluoro, trifluoromethyl, nitro, C1-6 alkyl, C3-7 cycloalkyl, C2-6 alkenyl, C2-6 alkynyl, C1-6 alkylthio, heteroaryl, optionally substituted aryl, optionally substituted aryl C1-6 alkyl, optionally substituted aryl C2-6 alkenyl, optionally substituted aryl C2-6 alkynyl, optionally substituted aryloxy, optionally substituted aryl C1-6 alkoxy, optionally substituted arylthio, optionally substituted aryl C1-6 alkylthio or --CONR"R'", --SO2 NR"R"", --NR"R'", --OCONR"R"' or --SONR"R'" where R" and R'" are each hydrogen, C1-6 alkyl or aryl C1-6 alkyl, or R" and R'" together form a C3-7 alkylene ring; provided that (i) R1, R2 and R3 are not all hydrogen,and (ii) when R2 and R3 are hydrogen and R1 is hydroxy, R4 is not fluoro; or a salt or ester thereof.