Methyl 10-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-9-methoxy-3-oxo-3H-benzo[f]chromene-2-carboxylate synthesis
- Product Name:Methyl 10-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-9-methoxy-3-oxo-3H-benzo[f]chromene-2-carboxylate
- CAS Number:137350-66-4
- Molecular formula:C20H13NO7
- Molecular Weight:379.32
20258-95-1
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Yield:-
Steps:
Multi-step reaction with 5 steps
1: 57 percent / piperidine / ethanol / Heating
2: 91 percent / conc. HNO3, glacial HOAc / 6 h / Ambient temperature
3: 64 percent / K2CO3 / acetone / Heating
4: H2 / 10percent Pd-C / dimethylformamide
5: 2) Ac2O, NaOAc / 1) CHCl3, 20h, 2) 1h, reflux
References:
Yang, Jun-Rui;Langmuir, Margaret E. [Journal of Heterocyclic Chemistry,1991,vol. 28,# 5,p. 1177 - 1180]