中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
1-甲基-9h-beta-咔啉-3-羧酸 | harman-3-carboxylic acid | 22329-38-0 | C13H10N2O2 | 226.235 |
1-甲基-beta-咔啉-3-羧酸甲酯 | 1-methyl-β-carboline-3-carboxylic acid methyl ester | 16641-82-0 | C14H12N2O2 | 240.261 |
1-甲基-9h-吡啶并[3,4-b]吲哚-3-甲醇 | (1-methyl-9H-pyrido[3,4-b]indol-3-yl)methanol | 33821-72-6 | C13H12N2O | 212.251 |
1-甲基-9H-吡啶并[3,4-b]吲哚-3-羧酸乙酯 | ethyl 1-methyl-β-carboline-3-carboxylate | 33821-71-5 | C15H14N2O2 | 254.288 |
—— | 1-dichloromethyl-β-carboline-3-carboxylate | 689303-12-6 | C13H8Cl2N2O2 | 295.125 |
—— | methyl 1-dichloromethyl-β-carboline-3-carboxylate | 689303-18-2 | C14H10Cl2N2O2 | 309.152 |
A robust transition-metal-free strategy is presented to access novel β-carboline-tethered benzothiophenone derivatives from 1(3)-formyl-β-carbolines using elemental sulfur activated by Et3N/DMSO. This expeditious catalyst-free reaction proceeds through the formation of β-carboline-based 2-nitrochalcones followed by an incorporation of sulfur to generate multifunctional β-carboline-linked benzothiophenones in good to excellent yields. The synthetic strategy could also be extended towards the synthesis of β-carboline-linked benzothiophenes. Moreover, the afforded products emerged as promising fluorophores and displayed excellent light-emitting properties with quantum yields (ΦF) up to 47%.