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化驗
98%
mp
296-299 °C (lit.)
官能基
ester
SMILES 字串
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 密鑰
QNVWGEJMXOQQPM-UHFFFAOYSA-N
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一般說明
5,7-Dihydroxy-4-methylcoumarin can be obtained by reacting phloroglucinol and ethylacetoacetate via Pechmann condensation in the presence of sulfuric acid.
應用
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.
訊號詞
Warning
危險聲明
危險分類
Acute Tox. 4 Oral
儲存類別代碼
11 - Combustible Solids
水污染物質分類（WGK）
WGK 3
閃點（°F）
Not applicable
閃點（°C）
Not applicable
個人防護裝備
dust mask type N95 (US), Eyeshields, Gloves
Modified coumarins. 27. Ssynthesis and antioxidant activity of 3-substituted 5, 7-dihydroxy-4-methylcoumarins.
Garazd MM, et al.
Chemistry of Natural Compounds, 43(1), 19-23 (2007)
A one-pot, three-component synthesis of new pyrano [2, 3-h] coumarin derivatives.
Karami B, et al.
Tetrahedron Letters, 53(12), 1445-1446 (2012)
Etil Guzelmeric et al.
Journal of pharmaceutical and biomedical analysis, 132, 35-45 (2016-10-04)
Chamomile tea composed of dried flower heads of Matricaria recutita L. (Asteraceae) is one of the most popular single ingredient herbal teas. Tea industries, spice shops or public bazaars are mostly supplied chamomile as a raw material via cultivation or
Formylation of Benzopyrones. II. Formylation of Hydroxycoumarins with N-Methylformanilide1.
Naik RM and Thakor VM.
The Journal of Organic Chemistry, 22(12), 1630-1633 (1957)
Etil Guzelmeric et al.
Journal of pharmaceutical and biomedical analysis, 107, 108-118 (2015-01-13)
Brewed tea of chamomile flowers (Matricaria recutita L.) (Asteraceae) has been extensively consumed for centuries due to either its pleasant taste or medicinal purposes. On the other hand, the major problem is difficulty in distinguishing the genuine specimen when supplying
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