oxindole skeleton by anion-based methods provided additional substituted derivatives for structure-activity relationship studies. Their effects on neuronal celldeath induced by oxidative stress were evaluated by lactate dehydrogenase assay. Compounds with the alkyl chain length of 2–4 significantly suppressed the neuronal celldeath. No significant change occurred in the activity by substitution with
B(C<sub>6</sub>F<sub>5</sub>)<sub>3</sub>-Catalyzed Direct C3 Alkylation of Indoles and Oxindoles
作者:Shyam Basak、Ana Alvarez-Montoya、Laura Winfrey、Rebecca L. Melen、Louis C. Morrill、Alexander P. Pulis
DOI:10.1021/acscatal.0c01141
日期:2020.4.17
The direct C3 alkylation of indoles and oxindoles is a challenging transformation, and only a few direct methods exist. Utilizing the underexplored ability of triaryl boranes to mediate the heterolytic cleavage of α-nitrogen C–H bonds in amines, we have developed a catalytic approach for the direct C3 alkylation of a wide range of indoles and oxindoles using amine-based alkylating agents. We also employed
The present invention relates to 4-arylindolinones, as well as pharmaceutical compositions thereof, capable of modulating protein kinase signal transduction in order to regulate, modulate and/or inhibit abnormal cell proliferation. The present invention also relates to methods for treating protein kinase related disorders.
Certain substituted 1-phenyl-3-(aminoalkylidene)-2(1H,3H)-indolones are highly potent gabaergic agents, valuable in the treatment of individuals suffering from schizophrenia or reversing the side effects of a previously or concurrently administered neuroleptic agent; or in the treatment of epilepsy. A wider class of substituted 1-phenyl-3-(aminoalkylidene)-2(1H,3H)-indolones, together with 1-phenyl-3-(2-pyrrolidinylidene)-2(1H,3H)-indolones, and homologs thereof, are valuable in the treatment of anxiety.