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Assay
98%
mp
296-299 °C (lit.)
SMILES string
CC1=CC(=O)Oc2cc(O)cc(O)c12
InChI
1S/C10H8O4/c1-5-2-9(13)14-8-4-6(11)3-7(12)10(5)8/h2-4,11-12H,1H3
InChI key
QNVWGEJMXOQQPM-UHFFFAOYSA-N
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General description
5,7-Dihydroxy-4-methylcoumarin can be obtained by reacting phloroglucinol and ethylacetoacetate via Pechmann condensation in the presence of sulfuric acid.
Application
5,7-Dihydroxy-4-methylcoumarin may be used in the synthesis of pyrano[2,3-h]coumarin derivatives and 5,7-dihydroxy-8-formyl-4-methylcoumarin.
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Certificates of Analysis (COA)
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A one-pot, three-component synthesis of new pyrano [2, 3-h] coumarin derivatives.
Tetrahedron Letters, 53(12), 1445-1446 (2012)
Modified coumarins. 27. Ssynthesis and antioxidant activity of 3-substituted 5, 7-dihydroxy-4-methylcoumarins.
Chemistry of Natural Compounds, 43(1), 19-23 (2007)
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