2,6-Dimethoxybenzoic acid CAS NO.1466-76-8

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General tips：For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months.
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Chemical Properties of 2,6-Dimethoxybenzoic acid

Source of 2,6-Dimethoxybenzoic acid

The herbs of Curculigo orchioides.

Biological Activity of 2,6-Dimethoxybenzoic acid

Protocol of 2,6-Dimethoxybenzoic acid

Preparing Stock Solutions of 2,6-Dimethoxybenzoic acid

References on 2,6-Dimethoxybenzoic acid

Supramolecular association in proton-transfer adducts containing benzamidinium cations. II. Concomitant polymorphs of the molecular salt of 2,6-dimethoxybenzoic acid with benzamidine.[Pubmed:23124460]

Acta Crystallogr C. 2012 Nov;68(Pt 11):o447-51.

Two concomitant polymorphs of the molecular salt formed by 2,6-Dimethoxybenzoic acid, C(9)H(10)O(4) (Dmb), with benzamidine, C(7)H(8)N(2) (benzenecarboximidamide, Benzam) from water solution have been identified. Benzamidinidium 2,6-dimethoxybenzoate, C(7)H(9)N(2)(+).C(9)H(9)O(4)(-) (BenzamH(+).Dmb(-)), was obtained through protonation at the imino N atom of Benzam as a result of proton transfer from the acidic hydroxy group of Dmb. In the monoclinic polymorph, (I) (space group P2(1)/n), the asymmetric unit consists of two Dmb(-) anions and two monoprotonated BenzamH(+) cations. In the orthorhombic polymorph, (II) (space group P2(1)2(1)2(1)), one Dmb(-) anion and one BenzamH(+) cation constitute the asymmetric unit. In both polymorphic salts, the amidinium fragments and carboxylate groups are completely delocalized. This delocalization favours the aggregation of the molecular components of these acid-base complexes into nonplanar dimers with an R(2)(2)(8) graph-set motif via N(+)-H...O(-) charge-assisted hydrogen bonding. Both the monoclinic and orthorhombic forms exhibit one-dimensional isostructurality, as the crystal structures feature identical hydrogen-bonding motifs consisting of dimers and catemers.

Fingerprint analysis and simultaneous determination of phenolic compounds in extracts of Curculiginis Rhizoma by HPLC-diode array detector.[Pubmed:23902862]

Chem Pharm Bull (Tokyo). 2013;61(8):802-8.

Curculiginis Rhizoma (Curculigo orchioides GAERTN.) is a well-known Chinese herbal medicine, as well as an important Rasayana drug in India. Current criteria of quality control on this herb are to quantitatively analyze single compound curculigoside, which fail to comprehensively evaluate quality of this herb. In this paper, a simple and reliable HPLC coupled with diode array detector (DAD) method was developed to evaluate the quality of Curculiginis Rhizoma through establishing chromatographic fingerprint and simultaneously quantitating four phenolic compounds, orcinol glucoside, orcinol, 2,6-Dimethoxybenzoic acid and curculigoside. The fingerprint displayed eleven common peaks, and the similarity index of different samples was in a range of 0.890-0.977. Validation of the method was acceptable, with 96.03-102.82% accuracy in recovery test and inter and intra-day precisions were less than 2%. This developed method by having a combination of chromatographic fingerprint and quantitation analysis could be applied to the quality control of Curculiginis Rhizoma.

Qualitative and quantitative analysis on chemical constituents from Curculigo orchioides using ultra high performance liquid chromatography coupled with electrospray ionization quadrupole time-of-flight tandem mass spectrometry.[Pubmed:25305598]

J Pharm Biomed Anal. 2015 Jan;102:236-45.

A rapid ultra-high performance liquid chromatography coupled with electrospray ionization quadrupole time-of-flight tandem mass spectrometry (UHPLC-ESI-Q-TOF/MS) method was developed for qualitative and quantitative determination of constituents in the rhizome of Curculigo orchioides. Qualitative analysis was performed on a Waters ACQUITY UHPLC @ HSS T3 column (1.8 mum 100 x 2.1mm) using gradient elution with mobile phase of 0.1% formic acid and acetonitrile. Quantitative analysis was performed on an Agilent ZORBAX Eclipse plus C18 column (1.7 mum 100 x 2.1mm) using gradient elution with mobile phase of 0.1% acetic acid and acetonitrile for at least 20 min. Quadrupole TOF/MS in either full scan mode or extracted ion mode was used for qualitative and quantitative analysis of the constituents. According to the mass spectrometric fragmentation mechanism and UHPLC-ESI-Q-TOF-MS data, chemical structures of 45 constituents in the rhizome of Curculigo orchioides, including 19 phenols and phenolic glycosides, 16 lignans and lignan glycosides, 8 triterpenoid saponins, one flavone and one sesquiterpene, were identified tentatively on-line without the time-consuming process of isolation. In addition, 8 phenolic glycosides including 5-hydroxymethylfurfural (HMF), 2-hydroxy-5-(2-hydroxyethyl) phenyl-beta-D-glucopyranoside (HPG), anacardoside (ACD), orcinol glucoside (OGD), orcinol-1-O-beta-D-apiofuranosyl-(1 --> 6)-beta-D-glucopyranoside (OAG), 2,6-Dimethoxybenzoic acid (DBA), curculigoside (CUR) and curculigine A (CCL) were quantitated in 11 collected samples and 10 commercial samples from different providers. The results show that UHPLC-ESI-Q-TOF-MS is a viable method for analysis and quality evaluation of the constituents from the rhizome of Curculigo orchioides.

New furanoid diterpenes from Caesalpinia pulcherrima.[Pubmed:12193012]

J Nat Prod. 2002 Aug;65(8):1107-10.

Four new cassane-type furanoditerpenoids (1-4) were isolated from the air-dried leaves of Caesalpinia pulcherrima. Their structures were elucidated by spectral data interpretation. The exocyclic methylene compound 1 readily isomerized and oxidized to the benzofuran 4. Benzyl 2,6-dimethoxybenzoate (5) was also identified in this study. Antimicrobial tests on 1-5 indicated that they were active against several bacteria (S. aureus, E. coli, P. aeruginosa, and B. subtilis) and fungi (C. albicans and T. mentagrophytes).

Description

2,6-Dimethoxybenzoic acid is a member of organic compounds known as o-methoxybenzoic acids and derivatives.

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