Phlorin

CAS# 28217-60-9

Phlorin

2D Structure

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3D structure

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Phlorin

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Chemical Properties of Phlorin

Cas No. 28217-60-9 SDF Download SDF
PubChem ID 476785 Appearance Powder
Formula C12H16O8 M.Wt 288.3
Type of Compound Phenols Storage Desiccate at -20°C
Synonyms Phloroglucinol 1-O-β-D-glucoside
Solubility Soluble in methanol and water
Chemical Name (2S,3R,4S,5S,6R)-2-(3,5-dihydroxyphenoxy)-6-(hydroxymethyl)oxane-3,4,5-triol
SMILES C1=C(C=C(C=C1O)OC2C(C(C(C(O2)CO)O)O)O)O
Standard InChIKey WXTPOHDTGNYFSB-RMPHRYRLSA-N
Standard InChI InChI=1S/C12H16O8/c13-4-8-9(16)10(17)11(18)12(20-8)19-7-2-5(14)1-6(15)3-7/h1-3,8-18H,4H2/t8-,9-,10+,11-,12-/m1/s1
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.
Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
About Packaging 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial.
2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial.
3. Try to avoid loss or contamination during the experiment.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request.

Source of Phlorin

1 Citrus sp. 2 Viscum sp.

Protocol of Phlorin

Structure Identification
Inorg Chem. 2015 Apr 6;54(7):3501-12.

Electrochemical and spectroelectrochemical studies of diphosphorylated metalloporphyrins. Generation of a phlorin anion product.[Pubmed: 25789714]


METHODS AND RESULTS:
The free-base and five metalated porphyrins with nonredox active centers undergo two ring-centered oxidations and two ring-centered reductions, the latter of which is followed by a chemical reaction of the porphyrin dianion to give an anionic Phlorin product. The Phlorin anion is electroactive and can be reoxidized by two electrons to give back the starting porphyrin, or it can be reversibly reduced by one electron at more negative potentials to give a Phlorin dianion. The chemical conversion of the porphyrin dianion to a Phlorin anion proceeds at a rate that varies with the nature of the central metal ion and the solvent. This rate is slowest in the basic solvent pyridine as compared to CH2Cl2 and PhCN, giving further evidence for the involvement of protons in the chemical reaction leading to Phlorin formation. Calculations of the electronic structure were performed on the Ni(II) porphyrin dianion, and the most favorable atoms for electrophilic attack were determined to be the two phosphorylated carbon atoms.
CONCLUSIONS:
Phlorin formation was not observed after the two-electron reduction of the cobalt porphyrins due to the different oxidation state assignment of the doubly reduced species, a Co(I) π anion radical in one case and an M(II) dianion for all of the other derivatives. Each redox reaction was monitored by thin-layer UV-visible spectroelectrochemistry, and an overall mechanism for each electron transfer is proposed on the basis of these data.

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Preparing Stock Solutions of Phlorin

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 3.4686 mL 17.343 mL 34.6861 mL 69.3722 mL 86.7152 mL
5 mM 0.6937 mL 3.4686 mL 6.9372 mL 13.8744 mL 17.343 mL
10 mM 0.3469 mL 1.7343 mL 3.4686 mL 6.9372 mL 8.6715 mL
50 mM 0.0694 mL 0.3469 mL 0.6937 mL 1.3874 mL 1.7343 mL
100 mM 0.0347 mL 0.1734 mL 0.3469 mL 0.6937 mL 0.8672 mL
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations.

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References on Phlorin

Electrochemical and spectroelectrochemical studies of diphosphorylated metalloporphyrins. Generation of a phlorin anion product.[Pubmed:25789714]

Inorg Chem. 2015 Apr 6;54(7):3501-12.

Two series of diphosphoryl-substituted porphyrins were synthesized and characterized by electrochemistry and spectroelectrochemistry in nonaqueous media containing 0.1 M tetra-n-butylammonium perchlorate (TBAP). The investigated compounds are 5,15-bis(diethoxyphosphoryl)-10,20-diphenylporphyrins (Ph)2(P(O)(OEt)2)2PorM and 5,15-bis(diethoxyphosphoryl)-10,20-di(para-carbomethoxyphenyl)porphyrins (PhCOOMe)2(P(O)(OEt)2)2PorM where M = 2H, Co(II), Ni(II), Cu(II), Zn(II), Cd(II), or Pd(II). The free-base and five metalated porphyrins with nonredox active centers undergo two ring-centered oxidations and two ring-centered reductions, the latter of which is followed by a chemical reaction of the porphyrin dianion to give an anionic Phlorin product. The Phlorin anion is electroactive and can be reoxidized by two electrons to give back the starting porphyrin, or it can be reversibly reduced by one electron at more negative potentials to give a Phlorin dianion. The chemical conversion of the porphyrin dianion to a Phlorin anion proceeds at a rate that varies with the nature of the central metal ion and the solvent. This rate is slowest in the basic solvent pyridine as compared to CH2Cl2 and PhCN, giving further evidence for the involvement of protons in the chemical reaction leading to Phlorin formation. Calculations of the electronic structure were performed on the Ni(II) porphyrin dianion, and the most favorable atoms for electrophilic attack were determined to be the two phosphorylated carbon atoms. Phlorin formation was not observed after the two-electron reduction of the cobalt porphyrins due to the different oxidation state assignment of the doubly reduced species, a Co(I) pi anion radical in one case and an M(II) dianion for all of the other derivatives. Each redox reaction was monitored by thin-layer UV-visible spectroelectrochemistry, and an overall mechanism for each electron transfer is proposed on the basis of these data.

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