Comprehensive Overview of Progress in Functionalization of 2‐Pyridone and 2, 4‐Dihydroxy Pyridine: Key Constituents of Vital Natural Products
Nitrogen heterocycles have found a key role in biologically active natural products.
Pyridones, specifically 2‐pyridone and 2, 4‐dihydoxypyridine are an extensive class of …
Pyridones, specifically 2‐pyridone and 2, 4‐dihydoxypyridine are an extensive class of …
Ru-catalyzed activation of sp 3 C–O bonds: O-to N-alkyl migratory rearrangement in pyridines and related heterocycles
We report a novel strategy for the formal activation of sp3 C–O bonds under Ru catalysis. In
this reaction, an O-alkylpyridine undergoes migratory rearrangement to its corresponding N …
this reaction, an O-alkylpyridine undergoes migratory rearrangement to its corresponding N …
[HTML][HTML] Enantioselective propargylic [1, 3]-rearrangements: copper-catalyzed O-to-N migrations toward C–N bond formation
LJ Cheng, APN Brown, CJ Cordier - Chemical science, 2017 - pubs.rsc.org
We have identified an enantioselective copper-catalyzed O-to-N formal [1, 3]-rearrangement
to form N-propargylic-2-pyridones. This enantioconvergent O-to-N propargylic …
to form N-propargylic-2-pyridones. This enantioconvergent O-to-N propargylic …
Mild and Regioselective N-Alkylation of 2-Pyridones in Water
X Hao, Z Xu, H Lu, X Dai, T Yang, X Lin, F Ren - Organic Letters, 2015 - ACS Publications
A mild and regioselective N-alkylation reaction of 2-pyridones in water has been developed.
Tween 20 (2% w/w) was added to create a micellar system for improved solubility of starting …
Tween 20 (2% w/w) was added to create a micellar system for improved solubility of starting …
N-alkylation of 2-pyridone derivatives via palladium (II)-catalyzed directed alkene hydroamination
A selective N-alkylation reaction of 2-pyridones and related heterocycles via intermolecular
alkene hydroamination is reported. The reaction utilizes palladium (II) acetate as a catalyst …
alkene hydroamination is reported. The reaction utilizes palladium (II) acetate as a catalyst …
Discovery of isoquinolinone indole acetic acids as antagonists of chemoattractant receptor homologous molecule expressed on Th2 cells (CRTH2) for the treatment of …
N Kaila, B Follows, L Leung, J Thomason… - Journal of Medicinal …, 2014 - ACS Publications
Previously we reported the discovery of CRA-898 (1), a diazine indole acetic acid containing
CRTH2 antagonist. This compound had good in vitro and in vivo potency, low rates of …
CRTH2 antagonist. This compound had good in vitro and in vivo potency, low rates of …
Synthesis of Substituted N-Benzyl Pyridones via an O- to N-Alkyl Migration
EL Lanni, MA Bosscher, BD Ooms… - The Journal of …, 2008 - ACS Publications
A new LiI-promoted O-to N-alkyl migration has been developed for the conversion of O-
alkylated 2-hydroxy pyridines, quinolines, and pyrimidines to the corresponding N-alkylated …
alkylated 2-hydroxy pyridines, quinolines, and pyrimidines to the corresponding N-alkylated …
Cascade radical synthesis of heteroarenes via iminyl radicals
WR Bowman, CF Bridge, P Brookes… - Journal of the …, 2002 - pubs.rsc.org
A novel cascade cyclisation protocol has been developed which 'zips up'two rings to form
new tetracycles. In the protocol, treatment of vinyl bromides and iodides with hexamethylditin …
new tetracycles. In the protocol, treatment of vinyl bromides and iodides with hexamethylditin …
Ir(I)-Catalyzed Synthesis of N-Substituted Pyridones from 2-Alkoxypyridines via C–O Bond Cleavage
S Pan, N Ryu, T Shibata - Organic letters, 2013 - ACS Publications
A cationic Ir (I) complex-catalyzed O-to-N-alkyl migration in 2-alkoxypyridines bearing a
secondary alkyl group on the oxygen atom by C–O bond cleavage is described. The present …
secondary alkyl group on the oxygen atom by C–O bond cleavage is described. The present …
Side-chain prototropic tautomerism of 4-hydroxyfuroxans in methylation reactions
LL Fershtat, MA Epishina, IV Ovchinnikov… - Tetrahedron …, 2016 - Elsevier
A general and simple method for the preparation of under explored 3-aryl-4-
hydroxyfuroxans by nucleophilic substitution of the nitro group in 3-aryl-4-nitrofuroxans …
hydroxyfuroxans by nucleophilic substitution of the nitro group in 3-aryl-4-nitrofuroxans …