中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 3-amino-1-(2-chlorophenyl)-1H-benzo[f]chromene-2-carbonitrile | 111861-47-3 | C20H13ClN2O | 332.789 |
Three-component and one-pot, reaction between β-naphthol, Meldrum's acid and aryl aldehydes in the presence of piperidine affords 1-aryl-1,2-dihydro-3H-naphtho[2,1-b]pyran-3-ones in excellent yields.