Loganic acid

Loganic acid
Names
	IUPAC name (1S,4aS,6S,7R,7aS)-1-(β-D-Glucopyranosyloxy)-6-hydroxy-7-methyl-1,4a,5,6,7,7a-hexahydrocyclopenta[c]pyran-4-carboxylic acid
	Systematic IUPAC name (1S,4aS,6S,7R,7aS)-6-Hydroxy-7-methyl-1-{[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-1,4a,5,6,7,7a-hexahydrocyclopenta[c]pyran-4-carboxylic acid
Identifiers
CAS Number	22255-40-9 ;
3D model (JSmol)	Interactive image ;
ChemSpider	80905 ;
ECHA InfoCard	100.040.781
PubChem CID	89640 ;
CompTox Dashboard (EPA)	DTXSID80944913 ;
	InChI InChI=1S/C16H24O10/c1-5-8(18)2-6-7(14(22)23)4-24-15(10(5)6)26-16-13(21)12(20)11(19)9(3-17)25-16/h4-6,8-13,15-21H,2-3H2,1H3,(H,22,23)/t5-,6+,8-,9+,10+,11+,12-,13+,15-,16-/m0/s1 Key: JNNGEAWILNVFFD-CDJYTOATSA-N; InChI=1/C16H24O10/c1-5-8(18)2-6-7(14(22)23)4-24-15(10(5)6)26-16-13(21)12(20)11(19)9(3-17)25-16/h4-6,8-13,15-21H,2-3H2,1H3,(H,22,23)/t5-,6+,8-,9+,10+,11+,12-,13+,15-,16-/m0/s1 Key: JNNGEAWILNVFFD-CDJYTOATBB;
	SMILES C[C@H]1[C@H](C[C@H]2[C@@H]1[C@@H](OC=C2C(=O)O)O[C@H]3[C@@H]([C@H]([C@@H]([C@H](O3)CO)O)O)O)O;
Properties
Chemical formula	C16H24O10
Molar mass	376.358 g·mol−1
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Last updated August 26, 2025

Loganic acid is an iridoid. Loganic acid is synthesized from 7-deoxyloganic acid by the enzyme 7-deoxyloganic acid hydroxylase (7-DLH).^[1]^[2] It is a substrate for the enzyme loganate O-methyltransferase for the production of loganin.^[3]

References

↑ Salim, Yu, Altarejos and De Luca (2013) Virus-induced gene silencing identifies Catharanthus roseus 7-deoxyloganic acid-7-hydroxylase, a step in iridoid and monoterpene indole alkaloid biosynthesis. The Plant Journal. 76(5). 754-765
↑ Miettinen, Dong, Navrot, Schneider, Burlat, et al. (2014) The seco-iridoid pathway from Catharanthus roseus. Nat Commun. 5(
↑ Dewick (2009) Medicinal Natural Products: A Biosynthetic Approach.

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[1] Salim, Yu, Altarejos and De Luca (2013) Virus-induced gene silencing identifies Catharanthus roseus 7-deoxyloganic acid-7-hydroxylase, a step in iridoid and monoterpene indole alkaloid biosynthesis. The Plant Journal. 76(5). 754-765

[2] Miettinen, Dong, Navrot, Schneider, Burlat, et al. (2014) The seco-iridoid pathway from Catharanthus roseus. Nat Commun. 5(

[3] Dewick (2009) Medicinal Natural Products: A Biosynthetic Approach.

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Names

IUPAC name (1S,4aS,6S,7R,7aS)-1-(β-D-Glucopyranosyloxy)-6-hydroxy-7-methyl-1,4a,5,6,7,7a-hexahydrocyclopenta[c]pyran-4-carboxylic acid
Systematic IUPAC name (1S,4aS,6S,7R,7aS)-6-Hydroxy-7-methyl-1-{[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-1,4a,5,6,7,7a-hexahydrocyclopenta[c]pyran-4-carboxylic acid
Identifiers
CAS Number	22255-40-9
3D model (JSmol)	Interactive image
ChemSpider	80905
ECHA InfoCard	100.040.781
PubChem CID	89640
CompTox Dashboard (EPA)	DTXSID80944913
InChI InChI=1S/C16H24O10/c1-5-8(18)2-6-7(14(22)23)4-24-15(10(5)6)26-16-13(21)12(20)11(19)9(3-17)25-16/h4-6,8-13,15-21H,2-3H2,1H3,(H,22,23)/t5-,6+,8-,9+,10+,11+,12-,13+,15-,16-/m0/s1 Key: JNNGEAWILNVFFD-CDJYTOATSA-N InChI=1/C16H24O10/c1-5-8(18)2-6-7(14(22)23)4-24-15(10(5)6)26-16-13(21)12(20)11(19)9(3-17)25-16/h4-6,8-13,15-21H,2-3H2,1H3,(H,22,23)/t5-,6+,8-,9+,10+,11+,12-,13+,15-,16-/m0/s1 Key: JNNGEAWILNVFFD-CDJYTOATBB
SMILES C[C@H]1[C@H](C[C@H]2[C@@H]1[C@@H](OC=C2C(=O)O)O[C@H]3[C@@H]([C@H]([C@@H]([C@H](O3)CO)O)O)O)O
Properties
Chemical formula	C₁₆H₂₄O₁₀
Molar mass	376.358 g·mol⁻¹
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references