Home > Name List By 1 > 1H,3H-Pyrano[3,4-c]pyran-1-one,5-ethenyl-4,4a,5,6-tetrahydro-6-[[2-O-[(3,3',5-trihydroxy[1,1'-biphenyl]-2-yl)carbonyl]-b-D-gl... China

CAS No 21018-84-8 , 1H,3H-Pyrano[3,4-c]pyran-1-one,5-ethenyl-4,4a,5,6-tetrahydro-6-[[2-O-[(3,3',5-trihydroxy[1,1'-biphenyl]-2-yl)carbonyl]-b-D-glucopyranosyl]oxy]-,(4aS,5R,6S)- Search by region : China

  • Name: 1H,3H-Pyrano[3,4-c]pyran-1-one,5-ethenyl-4,4a,5,6-tetrahydro-6-[[2-O-[(3,3',5-trihydroxy[1,1'-biphenyl]-2-yl)carbonyl]-b-D-glucopyranosyl]oxy]-,(4aS,5R,6S)-
  • Synonyms: Amarogentin(6CI,8CI); 1H,3H-Pyrano[3,4-c]pyran, [1,1'-biphenyl]-2-carboxylic acid deriv.;1H,3H-Pyrano[3,4-c]pyran-1-one,5-ethenyl-4,4a,5,6-tetrahydro-6-[[2-O-[(3,3',5-trihydroxy[1,1'-biphenyl]-2-yl)carbonyl]-b-D-glucopyranosyl]oxy]-,(4aS,5R,6S)-; [1,1'-Biphenyl]-2-carboxylic acid, 3,3',5-trihydroxy-, 2-ester with5-ethenyl-6-(b-D-glucopyranosyloxy)-4,4a,5,6-tetrahydro-1H,3H-pyrano[3,4-c]pyran-1-one,[4aS-(4aa,5b,6a)]-;1H,3H-Pyrano[3,4-c]pyran-1-one,5-ethenyl-4,4a,5,6-tetrahydro-6-[[2-O-[(3,3',5-trihydroxy[1,1'-biphenyl]-2-yl)carbonyl]-b-D-glucopyranosyl]oxy]-, [4aS-(4aa,5b,6a)]-;
  • CAS Registry Number:
  • Melting Point: 229-230ºC
  • Density: 1.59 g/cm3
  • Refractive index: 1.692
  • Molecular Weight: 586.5407
  • InChI: InChI=1S/C29H30O13/c1-2-16-17-6-7-38-26(36)19(17)12-39-28(16)42-29-25(24(35)23(34)21(11-30)40-29)41-27(37)22-18(9-15(32)10-20(22)33)13-4-3-5-14(31)8-13/h2-5,8-10,12,16-17,21,23-25,28-35H,1,6-7,11H2/t16-,17+,21-,23-,24+,25-,28+,29+/m1/s1
  • Molecular Formula: C29H30 O13
  • Molecular Structure:CAS No:21018-84-8 1H,3H-Pyrano[3,4-c]pyran-1-one,5-ethenyl-4,4a,5,6-tetrahydro-6-[[2-O-[(3,3',5-trihydroxy[1,1'-biphenyl]-2-yl)carbonyl]-b-D-glucopyranosyl]oxy]-,(4aS,5R,6S)-

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References of 1H,3H-Pyrano[3,4-c]pyran-1-one,5-ethenyl-4,4a,5,6-tetrahydro-6-[[2-O-[(3,3',5-trihydroxy[1,1'-biphenyl]-2-yl)carbonyl]-b-D-glucopyranosyl]oxy]-,(4aS,5R,6S)-
Title: Amarogentin
CAS Registry Number: 21018-84-8
CAS Name: [4aS-(4aa,5b,6a)]-3,3￠,5-Trihydroxy[1,1￠-biphenyl]-2-carboxylic acid 2-ester with 5-ethenyl-6-(b-D-glucopyranosyloxy)-4,4a,5,6-tetrahydro-1H,3H-pyrano[3,4-c]pyran-1-one
Synonyms: sweroside-2￠-(3￠￠,5￠￠,3￠￠￠-trihydroxydiphenyl)-2￠￠-carboxylic acid ester
Molecular Formula: C29H30O13
Molecular Weight: 586.54
Percent Composition: C 59.38%, H 5.16%, O 35.46%
Literature References: Strongly bitter glucoside. Isoln from Swertia chirata Buch-Ham., Gentianaceae: Korte, Ber. 88, 704 (1955); 89, 2404 (1956); from Swertia japonica Makino: Inouye et al., Chem. Pharm. Bull. 18, 1856 (1970). Occurrence in gentianaceous plants: Inouye, Nakamura, J. Pharm. Soc. Jpn. 91, 755 (1971), C.A. 75, 95431b (1971). Structure: eidem, Tetrahedron Lett. 1968, 4919; eidem, Tetrahedron 27, 1951 (1971).
Properties: Colorless needles, mp 229-230° (monohydrate). [a]D20 -116.6° (methanol). uv max: 230, 266, 306 nm (log e 4.46, 4.07, 3.68). Slightly sol in benzene, water; freely sol in acetone, anhydr dioxane, tetrahydrofuran, methanol, ethanol. Practically insol in petr ether, ether, cyclohexane, CHCl3.
Melting point: mp 229-230° (monohydrate)
Optical Rotation: [a]D20 -116.6° (methanol)
Absorption maximum: uv max: 230, 266, 306 nm (log e 4.46, 4.07, 3.68)