365-54-8Relevant academic research and scientific papers
Redox-neutral decarboxylative photocyclization of anthranilic acids
Huang, Huawen,Deng, Kun,Deng, Guo-Jun
supporting information, p. 8243 - 8247 (2020/12/29)
A mild metal-, catalyst-, and oxidant-free photoredox neutral system has been found to efficiently enable intramolecular decarboxylative cyclization of anthranilic acids. This facile protocol provides an alternative method for the synthesis of carbazoles. Mechanistic studies reveal a key photoinduced 6π-electrocyclization process and formic acid was released as the sole byproduct.
Light-Driven Intramolecular C?N Cross-Coupling via a Long-Lived Photoactive Photoisomer Complex
Jing, Dong,Lu, Cong,Chen, Zhuo,Jin, Songyang,Xie, Lijuan,Meng, Ziyi,Su, Zhishan,Zheng, Ke
supporting information, p. 14666 - 14672 (2019/09/06)
Reported herein is a visible-light-driven intramolecular C?N cross-coupling reaction under mild reaction conditions (metal- and photocatalyst-free, at room temperature) via a long-lived photoactive photoisomer complex. This strategy was used to rapidly prepare the N-substituted polycyclic quinazolinone derivatives with a broad substrate scope (>50 examples) and further exploited to synthesize the natural products tryptanthrin, rutaecarpine, and their analogues. The success of gram-scale synthesis and solar-driven transformation, as well as promising tumor-suppressing biological activity, proves the potential of this strategy for practical applications. Mechanistic investigations, including control experiments, DFT calculations, UV-vis spectroscopy, EPR, and X-ray single-crystal structure of the key intermediate, provides insight into the mechanism.
Sc(OTf)3-catalyzed dehydrogenative cyclization for synthesis of N-methylacridones
Li, Xi-An,Wang, Hong-Li,Yang, Shang-Dong
supporting information, p. 1794 - 1797 (2013/05/23)
A novel method has been developed for the synthesis of substituted N-methylacridones from 2-(N-methyl-N-phenylamino)benzaldehydes via dehydrogenative cyclization. This transformation involves two primary processes: the aldehyde first coordinates with Sc(OTf)3 and induces the aromatic electrophilic substitution (SEAr) reaction to form the active intermediate N-methyl-acridin-9-ol, which is then quickly oxidized in situ to afford the acridones. Furthermore, the procedure involved is both environmental friendly and atom efficient; H2O is the only byproduct in this reaction.
AMINOMETHYL QUINOLONE COMPOUNDS
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Page/Page column 82; 137; 138, (2013/03/26)
The invention relates to JNK inhibitors and corresponding methods, formulations, and compositions for inhibiting JNK and treating JNK-mediated disorders. The application discloses JNK inhibitors, as described below in Formula (I): wherein the variables ar
Discovery of a novel series of 4-quinolone JNK inhibitors
Gong, Leyi,Tan, Yun-Chou,Boice, Genevieve,Abbot, Sarah,McCaleb, Kristen,Iyer, Pravin,Zuo, Fengrong,Porto, Joseph Dal,Wong, Brian,Jin, Sue,Chang, Alice,Tran, Patricia,Hsieh, Gary,Niu, Linghao,Shao, Ada,Reuter, Deborah,Lukacs, Christine M.,Ursula Kammlott,Kuglstatter, Andreas,Goldstein, David
, p. 7381 - 7387 (2013/02/21)
A novel series of highly selective JNK inhibitors based on the 4-quinolone scaffold was designed and synthesized. Structure based drug design was utilized to guide the compound design as well as improvements in the physicochemical properties of the series. Compound (13c) has an IC50 of 62/170 nM for JNK1/2, excellent kinase selectivity and impressive efficacy in a rodent asthma model.
Dihydroquinone and dihydronaphthridine inhibitors of JNK
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Page/Page column 57, (2008/12/09)
Compounds of formula I are effective modulators of JNK: wherein X is CR11 or N;Y is —C(O)R3, 5-membered heteroaryl, or 5-membered heterocyclyl;Z is phenyl, cycloalkyl, heterocyclyl or heteroaryl, and is substituted with R1 and R2;R1 and R2 are each independently H, halo, CN, lower alkyl, or —Y1—Y2—Y3—R8, or R1 and R2 together form —O(CH2)nO—, where n is 1 or 2; Y1 is —O—, —C(O)—, —C(O)O—, —C(O)NR9—, —NR9C(O)—, —S—, —SO2—, or a bond;Y2 is cycloalkylene, heterocycloalkylene, lower alkylene or a bond;Y3 is —O—, —C(O)—, —C(O)O—, —C(O)NR9—, —NR9C(O)—, —SO2—, or a bond;R8 is H, lower alkyl, lower alkoxy, cycloalkyl, heterocycloalkyl, or —NR9R10, wherein R8 other than H is optionally substituted with lower alkyl, halo, —CF3, or —OH; R9 and R10 are each independently H or lower alkyl;R3 is OH, lower alkyl, lower alkoxy, (lower alkoxy)-lower alkoxy, or —NR9R10;R4 is lower alkyl, phenyl, heterocyclyl, cycloalkyl, heterocycloalkyl, or heteroaryl, and is optionally substituted with lower alkyl, hydroxy, lower alkoxy, halo, nitro, amino, cyano, or halo-lower alkyl;R5 and R6 are each independently H, halo, cyano, lower alkyl, —CF3, lower alkoxy, —OCHF2, —NO2, or —NR9R10;R7 is H, F, Cl, methyl, or OH;R11 is H, lower alkyl, lower cycloalkyl, or phenyl;or a pharmaceutically acceptable salt thereof.
Regioselective copper-catalyzed amination of bromobenzoic acids using aliphatic and aromatic amines
Wolf, Christian,Liu, Shuanglong,Mei, Xuefeng,August, Adam T.,Casimir, Michael D.
, p. 3270 - 3273 (2007/10/03)
A chemo- and regioselective copper-catalyzed cross-coupling procedure for amination of 2-bromobenzoic acids is described. The method eliminates the need for acid protection and produces N-aryl and N-alkyl anthranilic acid derivatives in up to 99% yield. N-(1-Pyrene)anthranilic acid has been employed in metal ion-selective fluorosensing. Titration experiments showed that this pyrene-derived amino acid forms an equimolar complex with Hg(II) in water resulting in selective fluorescence quenching even in the presence of other metal ions such as Zn(II) and Cd(II).
Tricyclic heterocyclic derivatives
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, (2008/06/13)
The invention relates to tricyclic heterocyclic derivatives, or pharmaceutically-acceptable salts or in vivohydrolysable esters thereof, which possess anti-cancer activity. The invention also relates to processes for the manufacture of said tricyclic hete
