Basic information
- Name:
Cyclopenta[c]pyran-4-carboxylicacid, 1-(b-D-glucopyranosyloxy)-1,4a,5,7a-tetrahydro-7-(hydroxymethyl)-,methyl ester, (1S,4aS,7aS)-
- Superlist Name:
- Geniposide
- CAS No.:
24512-63-8
- Molecular Structure:
![Molecular Structure of 24512-63-8 (Cyclopenta[c]pyran-4-carboxylicacid, 1-(b-D-glucopyranosyloxy)-1,4a,5,7a-tetrahydro-7-(hydroxymethyl)-,methyl ester, (1S,4aS,7aS)-)](http://www.lookchem.com/300w/2010/0625/24512-63-8.jpg)
- Formula:
- C17H24O10
- Molecular Weight:
- 388.37
- Synonyms:
- Cyclopenta[c]pyran-4-carboxylicacid, 1-(b-D-glucopyranosyloxy)-1,4a,5,7a-tetrahydro-7-(hydroxymethyl)-,methyl ester, [1S-(1a,4aa,7aa)]-;Geniposide(8CI);Cyclopenta(c)pyran-4-carboxylic acid, 1-(beta-D-glucopyranosyloxy)-1,4a,5,7a-tetrahydro-7-(hydroxymethyl)-, methyl ester, (1S-(1alpha,4aalpha,7aalpha))-;Methyl(1S,4aS,7aS)-7-(hydroxymethyl)-1-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-1,4a,5,7a-tetrahydrocyclopenta[c]pyran-4-carboxylate;(1S,4aS,7aS)-4-(Hydroxyacetyl)-7-(hydroxymethyl)-1,4a,5,7a-tetrahydrocyclopenta[c]pyran-1-yl D-glucopyranoside;
- Density:
- 1.59 g/cm3
- Melting Point:
- 161-162 °C
- Boiling Point:
- 693.7 °C at 760 mmHg
- Flash Point:
- 251.3 °C
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Standards and Recommendations
The number of colonies:GB/4789.2-1994
Coliforms:GB/4789.3-1994
Mold and yeast:GB/4789.15-1994
Pathogens:GB4789.4～5、10～11
Specification
The Geniposide with CAS registry number of 24512-63-8 is also known as (1S,4aS,7aS)-4-(Hydroxyacetyl)-7-(hydroxymethyl)-1,4a,5,7a-tetrahydrocyclopenta[c]pyran-1-yl D-glucopyranoside. The IUPAC name is Methyl(1S,4aS,7aS)-7-(hydroxymethyl)-1-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-1,4a,5,7a-tetrahydrocyclopenta[c]pyran-4-carboxylate. It belongs to product categories of Iridoids; Standard extract; Natural Plant Extract; Glucagon Receptor and Related. In addition, the formula is C17H24O10 and the molecular weight is 388.37.
Physical properties about Geniposide are: (1)# of Rule of 5 Violations: 2 ; (2)#H bond acceptors: 10; (3)#H bond donors: 6; (4)#Freely Rotating Bonds: 12; (5)Polar Surface Area: 166.14Å2; (6)Index of Refraction: 1.647; (7)Molar Refractivity: 88.37 cm3; (8)Molar Volume: 243.1 cm3; (9)Surface Tension: 86.8 dyne/cm; (10)Density: 1.59 g/cm3; (11)Flash Point: 251.3 °C; (12)Enthalpy of Vaporization: 116.2 kJ/mol; (13)Boiling Point: 693.7 °C at 760 mmHg; (14)Vapour Pressure: 2.91E-22 mmHg at 25 °C.
Uses of Geniposide: it is used to produce 7-hydroxymethyl-1-(3,4,5-trihydroxy-6-tritylox and trityloxymethyl-1,4a,5,7a-tetrahydro-cyclopenta[c]pyran-4-carboxylic acid methyl ester by reaction with chloro-triphenyl-methane. The reaction occurs with reagent pyridine at 20 °C. The yield is about 37%.
![Geniposide is used to produce 7-hydroxymethyl-1-(3,4,5-trihydroxy-6-tritylox and trityloxymethyl-1,4a,5,7a-tetrahydro-cyclopenta[c]pyran-4-carboxylic acid methyl ester by reaction with chloro-triphenyl-methane.](/UserFilesUpload/Uses of Geniposide(3).png)
You can still convert the following datas into molecular structure:
1. Canonical SMILES: COC(=O)C1=COC(C2C1CC=C2CO)OC3C(C(C(C(O3)CO)O)O)O
2. Isomeric SMILES: COC(=O)C1=CO[C@H]([C@H]2[C@@H]1CC=C2CO)O[C@H]3[C@@H]([C@H]([C@@H]([C@H](O3)CO)O)O)O
3. InChI: InChI=1S/C17H24O10/c1-24-15(23)9-6-25-16(11-7(4-18)2-3-8(9)11)27-17-14(22)13(21)12(20)10(5-19)26-17/h2,6,8,10-14,16-22H,3-5H2,1H3/t8-,10-,11-,12-,13+,14-,16+,17+/m1/s1
4. InChIKey: IBFYXTRXDNAPMM-BVTMAQQCSA-N