ChemicalBook CAS DataBase List Methyl 10-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-9-methoxy-3-oxo-3H-benzo[f]chromene-2-carboxylate

Methyl 10-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-9-methoxy-3-oxo-3H-benzo[f]chromene-2-carboxylate synthesis

1synthesis methods

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 Synthesis

20258-95-1
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Methyl 10-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-9-methoxy-3-oxo-3H-benzo[f]chromene-2-carboxylate

137350-66-4
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$59.00/10mg

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]

FullText

Methyl 10-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-9-methoxy-3-oxo-3H-benzo[f]chromene-2-carboxylate Related Search:

3-OXO-3H-BENZO[F]CHROMENE-2-CARBOXYLIC ACID 2,7-Dimethoxynaphthalene