4-hydroxy-5,7-diMethoxy-2H-1-benzopyrane-2-one synthesis
- Product Name:4-hydroxy-5,7-diMethoxy-2H-1-benzopyrane-2-one
- CAS Number:2555-38-6
- Molecular formula:C11H10O5
- Molecular Weight:222.19
Yield:2555-38-6 94%
Reaction Conditions:
Stage #1: 2-hydroxy-4,6-dimethoxyacetophenonewith sodium hydride in toluene at 0; for 0.333333 h;Inert atmosphere;
Stage #2: Diethyl carbonate at 110; for 5 h;Inert atmosphere;
References:
Kumari, Priti;Gupta, Sonal;Narayana, Chintam;Ahmad, Shakeel;Vishnoi, Nidhi;Singh, Shailja;Sagar, Ram [New Journal of Chemistry,2018,vol. 42,# 16,p. 13985 - 13997] Location in patent:supporting information
480-66-0
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