NP-MRD: Showing NP-Card for (2r,3s,4ar,5s,6r,7r,8ar)-3-(4-hydroxy-3-methoxyphenyl)-2,7-bis(hydroxymethyl)-octahydro-1,4-benzodioxine-5,6-diol (NP0225703)

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Record Information

Version

2.0

Created at

2022-09-06 04:30:10 UTC

Updated at

2022-09-06 04:30:11 UTC

NP-MRD ID

NP0225703

Secondary Accession Numbers

None

Natural Product Identification

Common Name

(2r,3s,4ar,5s,6r,7r,8ar)-3-(4-hydroxy-3-methoxyphenyl)-2,7-bis(hydroxymethyl)-octahydro-1,4-benzodioxine-5,6-diol

Description

(2R,3S,4aR,5S,6R,7R,8aR)-3-(4-hydroxy-3-methoxyphenyl)-2,7-bis(hydroxymethyl)-octahydro-1,4-benzodioxine-5,6-diol belongs to the class of organic compounds known as methoxyphenols. Methoxyphenols are compounds containing a methoxy group attached to the benzene ring of a phenol moiety. (2r,3s,4ar,5s,6r,7r,8ar)-3-(4-hydroxy-3-methoxyphenyl)-2,7-bis(hydroxymethyl)-octahydro-1,4-benzodioxine-5,6-diol is found in Juniperus communis. Based on a literature review very few articles have been published on (2R,3S,4aR,5S,6R,7R,8aR)-3-(4-hydroxy-3-methoxyphenyl)-2,7-bis(hydroxymethyl)-octahydro-1,4-benzodioxine-5,6-diol.

Structure

MOL SDF PDB SMILES InChI


  Mrv1652309062206302D          

 25 27  0  0  1  0            999 V2000
   -1.4289    2.4750    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.7145    2.0625    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -0.7145    1.2375    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000    0.8250    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.7145   -0.4125    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0
    1.4289    0.0000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    2.1434   -0.4125    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0
    2.8579    0.0000    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0
    2.8579    0.8250    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    3.5724   -0.4125    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0
    4.2868   -0.0000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    3.5724   -1.2375    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0
    4.2868   -1.6500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.0013   -1.2375    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    2.8579   -1.6500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.1434   -1.2375    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0
    1.4289   -1.6500    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.7145   -1.2375    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0
    0.0000   -1.6500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.7145   -1.2375    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -0.7145   -0.4125    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.4289   -0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.4289    0.8250    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.1434    1.2375    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0  0  0  0
  2  3  1  0  0  0  0
  3  4  2  0  0  0  0
  4  5  1  0  0  0  0
  6  5  1  6  0  0  0
  6  7  1  0  0  0  0
  8  7  1  6  0  0  0
  8  9  1  0  0  0  0
  9 10  1  1  0  0  0
  9 11  1  0  0  0  0
 11 12  1  6  0  0  0
 11 13  1  0  0  0  0
 13 14  1  1  0  0  0
 14 15  1  0  0  0  0
 13 16  1  0  0  0  0
 16 17  1  0  0  0  0
  8 17  1  0  0  0  0
 17 18  1  1  0  0  0
 18 19  1  0  0  0  0
  6 19  1  0  0  0  0
 19 20  1  6  0  0  0
 20 21  1  0  0  0  0
  5 22  2  0  0  0  0
 22 23  1  0  0  0  0
 23 24  2  0  0  0  0
  3 24  1  0  0  0  0
 24 25  1  0  0  0  0
M  END


  Mrv1652309062206302D          

 25 27  0  0  1  0            999 V2000
   -1.4289    2.4750    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.7145    2.0625    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -0.7145    1.2375    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000    0.8250    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.7145   -0.4125    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0
    1.4289    0.0000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    2.1434   -0.4125    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0
    2.8579    0.0000    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0
    2.8579    0.8250    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    3.5724   -0.4125    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0
    4.2868   -0.0000    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    3.5724   -1.2375    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0
    4.2868   -1.6500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.0013   -1.2375    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    2.8579   -1.6500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.1434   -1.2375    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0
    1.4289   -1.6500    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.7145   -1.2375    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0
    0.0000   -1.6500    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.7145   -1.2375    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -0.7145   -0.4125    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.4289   -0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.4289    0.8250    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.1434    1.2375    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0  0  0  0
  2  3  1  0  0  0  0
  3  4  2  0  0  0  0
  4  5  1  0  0  0  0
  6  5  1  6  0  0  0
  6  7  1  0  0  0  0
  8  7  1  6  0  0  0
  8  9  1  0  0  0  0
  9 10  1  1  0  0  0
  9 11  1  0  0  0  0
 11 12  1  6  0  0  0
 11 13  1  0  0  0  0
 13 14  1  1  0  0  0
 14 15  1  0  0  0  0
 13 16  1  0  0  0  0
 16 17  1  0  0  0  0
  8 17  1  0  0  0  0
 17 18  1  1  0  0  0
 18 19  1  0  0  0  0
  6 19  1  0  0  0  0
 19 20  1  6  0  0  0
 20 21  1  0  0  0  0
  5 22  2  0  0  0  0
 22 23  1  0  0  0  0
 23 24  2  0  0  0  0
  3 24  1  0  0  0  0
 24 25  1  0  0  0  0
M  END
> <DATABASE_ID>
NP0225703

> <DATABASE_NAME>
NP-MRD

> <SMILES>
COC1=CC(=CC=C1O)[C@@H]1O[C@H]2[C@@H](C[C@H](CO)[C@@H](O)[C@@H]2O)O[C@@H]1CO

> <INCHI_IDENTIFIER>
InChI=1S/C17H24O8/c1-23-11-4-8(2-3-10(11)20)16-13(7-19)24-12-5-9(6-18)14(21)15(22)17(12)25-16/h2-4,9,12-22H,5-7H2,1H3/t9-,12-,13-,14-,15+,16+,17+/m1/s1

> <INCHI_KEY>
PYLJFGLECGNSHX-SQXRJVDKSA-N

> <FORMULA>
C17H24O8

> <MOLECULAR_WEIGHT>
356.371

> <EXACT_MASS>
356.147117733

> <JCHEM_ACCEPTOR_COUNT>
8

> <JCHEM_ATOM_COUNT>
49

> <JCHEM_AVERAGE_POLARIZABILITY>
36.49617973551803

> <JCHEM_BIOAVAILABILITY>
1

> <JCHEM_DONOR_COUNT>
5

> <JCHEM_FORMAL_CHARGE>
0

> <JCHEM_GHOSE_FILTER>
0

> <JCHEM_IUPAC>
(2R,3S,4aR,5S,6R,7R,8aR)-3-(4-hydroxy-3-methoxyphenyl)-2,7-bis(hydroxymethyl)-octahydro-1,4-benzodioxine-5,6-diol

> <JCHEM_LOGP>
-1.1667696993333325

> <JCHEM_MDDR_LIKE_RULE>
0

> <JCHEM_NUMBER_OF_RINGS>
3

> <JCHEM_PHYSIOLOGICAL_CHARGE>
0

> <JCHEM_PKA>
13.033014394087843

> <JCHEM_PKA_STRONGEST_ACIDIC>
9.90829964285871

> <JCHEM_PKA_STRONGEST_BASIC>
-2.6322683012363033

> <JCHEM_POLAR_SURFACE_AREA>
128.84

> <JCHEM_REFRACTIVITY>
85.88430000000001

> <JCHEM_ROTATABLE_BOND_COUNT>
4

> <JCHEM_RULE_OF_FIVE>
1

> <JCHEM_TRADITIONAL_IUPAC>
(2R,3S,4aR,5S,6R,7R,8aR)-3-(4-hydroxy-3-methoxyphenyl)-2,7-bis(hydroxymethyl)-octahydro-1,4-benzodioxine-5,6-diol

> <JCHEM_VEBER_RULE>
0

$$$$

HEADER    PROTEIN                                 06-SEP-22   NONE
TITLE     NULL                                                        
COMPND    NULL                                                        
SOURCE    NULL                                                        
KEYWDS    NULL                                                        
EXPDTA    NULL                                                        
AUTHOR    Marvin                                                      
REVDAT   1   06-SEP-22         0                                  
HETATM    1  C   UNK     0      -2.667   4.620   0.000  0.00  0.00           C+0
HETATM    2  O   UNK     0      -1.334   3.850   0.000  0.00  0.00           O+0
HETATM    3  C   UNK     0      -1.334   2.310   0.000  0.00  0.00           C+0
HETATM    4  C   UNK     0       0.000   1.540   0.000  0.00  0.00           C+0
HETATM    5  C   UNK     0       0.000   0.000   0.000  0.00  0.00           C+0
HETATM    6  C   UNK     0       1.334  -0.770   0.000  0.00  0.00           C+0
HETATM    7  O   UNK     0       2.667   0.000   0.000  0.00  0.00           O+0
HETATM    8  C   UNK     0       4.001  -0.770   0.000  0.00  0.00           C+0
HETATM    9  C   UNK     0       5.335   0.000   0.000  0.00  0.00           C+0
HETATM   10  O   UNK     0       5.335   1.540   0.000  0.00  0.00           O+0
HETATM   11  C   UNK     0       6.668  -0.770   0.000  0.00  0.00           C+0
HETATM   12  O   UNK     0       8.002  -0.000   0.000  0.00  0.00           O+0
HETATM   13  C   UNK     0       6.668  -2.310   0.000  0.00  0.00           C+0
HETATM   14  C   UNK     0       8.002  -3.080   0.000  0.00  0.00           C+0
HETATM   15  O   UNK     0       9.336  -2.310   0.000  0.00  0.00           O+0
HETATM   16  C   UNK     0       5.335  -3.080   0.000  0.00  0.00           C+0
HETATM   17  C   UNK     0       4.001  -2.310   0.000  0.00  0.00           C+0
HETATM   18  O   UNK     0       2.667  -3.080   0.000  0.00  0.00           O+0
HETATM   19  C   UNK     0       1.334  -2.310   0.000  0.00  0.00           C+0
HETATM   20  C   UNK     0       0.000  -3.080   0.000  0.00  0.00           C+0
HETATM   21  O   UNK     0      -1.334  -2.310   0.000  0.00  0.00           O+0
HETATM   22  C   UNK     0      -1.334  -0.770   0.000  0.00  0.00           C+0
HETATM   23  C   UNK     0      -2.667  -0.000   0.000  0.00  0.00           C+0
HETATM   24  C   UNK     0      -2.667   1.540   0.000  0.00  0.00           C+0
HETATM   25  O   UNK     0      -4.001   2.310   0.000  0.00  0.00           O+0
CONECT    1    2                                                            
CONECT    2    1    3                                                       
CONECT    3    2    4   24                                                  
CONECT    4    3    5                                                       
CONECT    5    4    6   22                                                  
CONECT    6    5    7   19                                                  
CONECT    7    6    8                                                       
CONECT    8    7    9   17                                                  
CONECT    9    8   10   11                                                  
CONECT   10    9                                                            
CONECT   11    9   12   13                                                  
CONECT   12   11                                                            
CONECT   13   11   14   16                                                  
CONECT   14   13   15                                                       
CONECT   15   14                                                            
CONECT   16   13   17                                                       
CONECT   17   16    8   18                                                  
CONECT   18   17   19                                                       
CONECT   19   18    6   20                                                  
CONECT   20   19   21                                                       
CONECT   21   20                                                            
CONECT   22    5   23                                                       
CONECT   23   22   24                                                       
CONECT   24   23    3   25                                                  
CONECT   25   24                                                            
MASTER        0    0    0    0    0    0    0    0   25    0   54    0
END

View in JSmol

Synonyms

Not Available

Chemical Formula

C₁₇H₂₄O₈

Average Mass

356.3710 Da

Monoisotopic Mass

356.14712 Da

IUPAC Name

Not Available

Traditional Name

Not Available

CAS Registry Number

Not Available

SMILES

COC1=CC(=CC=C1O)[C@@H]1O[C@H]2[C@@H](C[C@H](CO)[C@@H](O)[C@@H]2O)O[C@@H]1CO

InChI Identifier

InChI=1S/C17H24O8/c1-23-11-4-8(2-3-10(11)20)16-13(7-19)24-12-5-9(6-18)14(21)15(22)17(12)25-16/h2-4,9,12-22H,5-7H2,1H3/t9-,12-,13-,14-,15+,16+,17+/m1/s1

InChI Key

PYLJFGLECGNSHX-SQXRJVDKSA-N

Experimental Spectra

Not Available

Predicted Spectra

Spectrum Type	Description	Depositor ID	Depositor Organization	Depositor	Deposition Date	View
1D NMR	¹³C NMR Spectrum (1D, 25 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 100 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 252 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 1000 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 50 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 200 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 75 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 300 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 101 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 400 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 126 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 500 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 151 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 600 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 176 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 700 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 201 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 800 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 226 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 900 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum

Chemical Shift Submissions

Not Available

Species

Species of Origin

Species Name	Source	Reference
Juniperus communis	LOTUS Database	35616633

Chemical Taxonomy

Description

Belongs to the class of organic compounds known as methoxyphenols. Methoxyphenols are compounds containing a methoxy group attached to the benzene ring of a phenol moiety.

Kingdom

Super Class

Class

Sub Class

Direct Parent

Alternative Parents

Substituents

Methoxyphenol
Phenoxy compound
Anisole
Methoxybenzene
Phenol ether
1-hydroxy-2-unsubstituted benzenoid
Alkyl aryl ether
Para-dioxane
Monocyclic benzene moiety
Cyclic alcohol
Secondary alcohol
Organoheterocyclic compound
Oxacycle
Ether
Dialkyl ether
Organooxygen compound
Alcohol
Hydrocarbon derivative
Organic oxygen compound
Primary alcohol
Aromatic heteropolycyclic compound

Molecular Framework

Aromatic heteropolycyclic compounds

External Descriptors

Not Available

Physical Properties

State

Not Available

Experimental Properties

Property	Value	Reference
Melting Point	Not Available	Not Available
Boiling Point	Not Available	Not Available
Water Solubility	Not Available	Not Available
LogP	Not Available	Not Available

Predicted Properties

Property	Value	Source
logP	-1.2	ChemAxon
pKa (Strongest Acidic)	9.91	ChemAxon
pKa (Strongest Basic)	-2.6	ChemAxon
Hydrogen Acceptor Count	8	ChemAxon
Hydrogen Donor Count	5	ChemAxon
Polar Surface Area	128.84 Å²	ChemAxon
Rotatable Bond Count	4	ChemAxon
Refractivity	85.88 m³·mol⁻¹	ChemAxon

External Links

HMDB ID

Not Available

DrugBank ID

Not Available

Phenol Explorer Compound ID

Not Available

FoodDB ID

Not Available

KNApSAcK ID

Not Available

Chemspider ID

Not Available

KEGG Compound ID

Not Available

BioCyc ID

Not Available

BiGG ID

Not Available

Wikipedia Link

Not Available

METLIN ID

Not Available

PubChem Compound

162847996

PDB ID

Not Available

ChEBI ID

Not Available

Good Scents ID

Not Available

References

General References

LOTUS database [Link]

Showing NP-Card for (2r,3s,4ar,5s,6r,7r,8ar)-3-(4-hydroxy-3-methoxyphenyl)-2,7-bis(hydroxymethyl)-octahydro-1,4-benzodioxine-5,6-diol (NP0225703)

MOL for NP0225703 ((2r,3s,4ar,5s,6r,7r,8ar)-3-(4-hydroxy-3-methoxyphenyl)-2,7-bis(hydroxymethyl)-octahydro-1,4-benzodioxine-5,6-diol)

3D MOL for NP0225703 ((2r,3s,4ar,5s,6r,7r,8ar)-3-(4-hydroxy-3-methoxyphenyl)-2,7-bis(hydroxymethyl)-octahydro-1,4-benzodioxine-5,6-diol)

3D SDF for NP0225703 ((2r,3s,4ar,5s,6r,7r,8ar)-3-(4-hydroxy-3-methoxyphenyl)-2,7-bis(hydroxymethyl)-octahydro-1,4-benzodioxine-5,6-diol)

3D-SDF for NP0225703 ((2r,3s,4ar,5s,6r,7r,8ar)-3-(4-hydroxy-3-methoxyphenyl)-2,7-bis(hydroxymethyl)-octahydro-1,4-benzodioxine-5,6-diol)

PDB for NP0225703 ((2r,3s,4ar,5s,6r,7r,8ar)-3-(4-hydroxy-3-methoxyphenyl)-2,7-bis(hydroxymethyl)-octahydro-1,4-benzodioxine-5,6-diol)

3D PDB for NP0225703 ((2r,3s,4ar,5s,6r,7r,8ar)-3-(4-hydroxy-3-methoxyphenyl)-2,7-bis(hydroxymethyl)-octahydro-1,4-benzodioxine-5,6-diol)

SMILES for NP0225703 ((2r,3s,4ar,5s,6r,7r,8ar)-3-(4-hydroxy-3-methoxyphenyl)-2,7-bis(hydroxymethyl)-octahydro-1,4-benzodioxine-5,6-diol)

INCHI for NP0225703 ((2r,3s,4ar,5s,6r,7r,8ar)-3-(4-hydroxy-3-methoxyphenyl)-2,7-bis(hydroxymethyl)-octahydro-1,4-benzodioxine-5,6-diol)

Structure for NP0225703 ((2r,3s,4ar,5s,6r,7r,8ar)-3-(4-hydroxy-3-methoxyphenyl)-2,7-bis(hydroxymethyl)-octahydro-1,4-benzodioxine-5,6-diol)

3D Structure for NP0225703 ((2r,3s,4ar,5s,6r,7r,8ar)-3-(4-hydroxy-3-methoxyphenyl)-2,7-bis(hydroxymethyl)-octahydro-1,4-benzodioxine-5,6-diol)