6H-Dibenzo[b,d]pyran-6-one, 3,8-dihydroxy-9-methoxy- synthesis
- Product Name:6H-Dibenzo[b,d]pyran-6-one, 3,8-dihydroxy-9-methoxy-
- CAS Number:1006683-96-0
- Molecular formula:C14H10O5
- Molecular Weight:258.23
121936-68-3
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Yield:1006683-96-0 61%
Reaction Conditions:
Stage #1: 2-bromo-5-hydroxy-4-methoxybenzoic acid;recorcinolwith sodium hydroxide in water at 120; for 0.75 h;
Stage #2: with copper(II) sulfate in water; for 0.25 h;Reflux;
References:
Kulshrestha, Avidha;Rupanwal, Ruchi;Singh, Nidhi;Satpute, Shridhar;Panhekar, Deepa;Pandey, Jaya [Asian Journal of Chemistry,2017,vol. 29,# 8,p. 1803 - 1805]