Ethyl Biscoumacetate

Title: Ethyl Biscoumacetate
CAS Registry Number: 548-00-5
CAS Name: 4-Hydroxy-a-(4-hydroxy-2-oxo-2H-1-benzopyran-3-yl)-2-oxo-2H-1-benzopyran-3-acetic acid ethyl ester
Additional Names: bis(4-hydroxy-2-oxo-2H-1-benzopyran-3-yl)acetic acid ethyl ester; ethyl bis(4-hydroxycoumarinyl)acetate; ethyldicoumarol acetate; bis-3,3¢-(4-hydroxycumarinyl)acetic acid ethyl ester; 3,3¢-carboxymethylene bis(4-hydroxycoumarin)ethyl ester; ethyl 4,4¢-dihydroxydicoumarinyl-3,3¢-acetate; B.O.E.A.
Trademarks: Dicumacyl; Pelentan; Stabilene (Auclair); Tromexan (Novartis)
Molecular Formula: C22H16O8
Molecular Weight: 408.36
Percent Composition: C 64.71%, H 3.95%, O 31.34%
Literature References: Prepn: Rosicky, Cas. Lek. Cesk. 83, 1200 (1944); US 2482510; US 2482511; US 2482512 (all 1949 to Spojené farm. zovody); Stahmann et al., J. Am. Chem. Soc. 65, 2285 sqq (1943). Toxicity study: C. M. Gruber et al., Fed. Proc. 10, 303 (1951).
Properties: Crystals, dimorphous, mp 177-182° and mp 154-157°. Bitter, persistent taste. Practically insol in water. Sol in 20 parts acetone, also sol in benzene. Slightly sol in alcohol, ether. LD50 in mice, rats (g/kg): 0.88, 0.26 orally; 0.32, 1.1 i.p. (Gruber).
Melting point: mp 177-182° and mp 154-157°
Toxicity data: LD50 in mice, rats (g/kg): 0.88, 0.26 orally; 0.32, 1.1 i.p. (Gruber)
Therap-Cat: Anticoagulant.
Keywords: Anticoagulant.
Ethyl Bromide Ethyl Butylacetylaminopropionate Ethyl Butyrate Ethyl Caprate Ethyl Caproate