It is a common heterocyclic compound, the naphthyridine compound, 2-Chloro-1,5-naphthyridine, cas is 7689-62-5 its synthesis route is as follows.,7689-62-5
Under Ar(g), to a mixture of pyrazin-2-amine (1) (209mg, 2.2mmol), 2- chloro-1 ,5-naphthyridine (2) (329mg, 2.0mmol), Cs2C03 (1.30g, 4.0mmol) was added degassed dry 1 ,4-dioxane (13ml_). The reaction mixture was then flushed with Ar(g) for 1 min before Pd2(dba)3 (92mg, 0.1 mmol) and Xantphos (127mg, 0.22mmol) were added. The reaction mixture was heated up to 90C for 40h. It was then cooled down to rt and concentrated in vacuo, CH2CI2 (15ml_) and H20 (15ml_) were added. The organic phase was separated and the water layer was extracted with EtOAc (15ml_). The organic layers were combined and Pd- scavenger (MP-TMT, ~400mg, 1.3mmol/g) was added. This was shaken for several hours followed by filtration. The filtrate was concentrated in vacuo, dissolved in DMSO (4ml_) and purified by basic prep LCMS to yield (3) as a solid (121 mg, 27%). (0160) LCMS (ES): Found 224.3 [M+Hf.
With the complex challenges of chemical substances, we look forward to future research findings about 2-Chloro-1,5-naphthyridine
Reference£º
Patent; KARUS THERAPEUTICS LIMITED; SHUTTLEWORTH, Stephen Joseph; GATLAND, Alice Elizabeth; FINNEMORE, Daniel John; ALEXANDER, Rikki Peter; SILVA, Franck; CECIL, Alexander; (233 pag.)WO2019/166824; (2019); A1;,
1,8-Naphthyridine – Wikipedia
1,8-Naphthyridine | C8H6N2 – PubChem