CAS No 14259-45-1 , 1H-2,6-Dioxacyclopent[cd]inden-1-one,4-[(acetyloxy)methyl]-5-(b-D-glucopyranosyloxy)-2a,4a,5,7b-tetrahydro-, (2aS,4aS,5S,7bS)-

Name: 1H-2,6-Dioxacyclopent[cd]inden-1-one,4-[(acetyloxy)methyl]-5-(b-D-glucopyranosyloxy)-2a,4a,5,7b-tetrahydro-, (2aS,4aS,5S,7bS)-
Synonyms: 1H-2,6-Dioxacyclopent[cd]inden-1-one,4-[(acetyloxy)methyl]-5-(b-D-glucopyranosyloxy)-2a,4a,5,7b-tetrahydro-, [2aS-(2aa,4aa,5a,7ba)]-;Cyclopenta[c]pyran-4-carboxylic acid, 1a-(b-D-glucosyloxy)-1,4aa,5,7aa-tetrahydro-5b-hydroxy-7-(hydroxymethyl)-, g-lactone, 7-acetate (7CI); Asperuloside (6CI,8CI);1H-2,6-Dioxacyclopent[cd]inden-1-one,4-[(acetyloxy)methyl]-5-(b-D-glucopyranosyloxy)-2a,4a,5,7b-tetrahydro-, (2aS,4aS,5S,7bS)-;
CAS Registry Number:14259-45-1
Flash Point: 254.1°C
Boiling Point: 704.2°Cat760mmHg
Density: 1.62g/cm³
Refractive index: 1.635
Flash Point: 254.1°C
EINECS: 238-137-5
Molecular Weight: 414.36
InChI: InChI=1/C18H22O11/c1-6(20)25-4-7-2-9-12-8(16(24)27-9)5-26-17(11(7)12)29-18-15(23)14(22)13(21)10(3-19)28-18/h2,5,9-15,17-19,21-23H,3-4H2,1H3
Molecular Formula: C18H22O11
Molecular Structure:

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           14259-45-1 1H-2,6-Dioxacyclopent[cd]inden-1-one,4-[(acetyloxy)methyl]-5-(b-D-glucopyranosyloxy)-2a,4a,5,7b-tetrahydro-, (2aS,4aS,5S,7bS)-
           
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           14259-45-1 (2AS,4AS,5S,7BS)-4-[(ACETYLOXY)METHYL]-5-(BETA-D-GLUCOPYRANOSYLOXY)-2A,4A,5,7B-TETRAHYDRO-1H-2,6-DIOXACYCLOPENT[CD]INDEN-1-ONE
           
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           14259-45-1 Asperuloside
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References of 1H-2,6-Dioxacyclopent[cd]inden-1-one,4-[(acetyloxy)methyl]-5-(b-D-glucopyranosyloxy)-2a,4a,5,7b-tetrahydro-, (2aS,4aS,5S,7bS)-

Title: Asperuloside
CAS Registry Number: 14259-45-1
CAS Name: [2aS-(2aa,4aa,5a,7ba)]-4-[(Acetyloxy)methyl]-5-(b-D-glucopyranosyloxy)-2a,4a,5,7b-tetrahydro-1H-2,6-dioxacyclopent[cd]inden-1-one
Synonyms: rubichloric acid
Molecular Formula: C18H22O11
Molecular Weight: 414.36
Percent Composition: C 52.18%, H 5.35%, O 42.47%
Literature References: From herb of Asperula odorata L., Galium aparine L., Rubiaceae. Occurs also in Coprosma spp. Isoln: Hérissey, Compt. Rend. 180, 1695 (1925); Briggs, Nicholls, J. Chem. Soc. 1954, 3940. Structure: Grimshaw, Chem. Ind. (London) 1961, 403; Briggs et al., J. Chem. Soc. 1965, 2595.
Properties: Needles from alcohol or acetone, mp 131-132°. [a]D25 -198.6° (c = 1.44 in water). Absorption spectra: Briggs, Cain, J. Chem. Soc. 1954, 4182. Sol in water, methanol, ethanol, acetone, ethylacetate, dioxane, pyridine, acetic acid. Practically insol in ether, benzene, chloroform, ligroin.
Melting point: mp 131-132°
Optical Rotation: [a]D25 -198.6° (c = 1.44 in water)