ChemicalBook > CAS DataBase List > tetrahydropyran-4,4-dicarboxylic acid
tetrahydropyran-4,4-dicarboxylic acid
- Product Name
- tetrahydropyran-4,4-dicarboxylic acid
- CAS No.
- 5337-04-2
- Chemical Name
- tetrahydropyran-4,4-dicarboxylic acid
- Synonyms
- oxane-4,4-dicarboxylic acid;Tetrahydropyran-4-dicarboxylic acid;4,4-Tetrahydropyrandicarboxylic Acid;tetrahydropyran-4,4-dicarboxylic acid;tetrahydro-4H-pyran-4,4-dicarboxylic acid;Dihydro-2H-pyran-4,4(3H)-dicarboxylic acid
- CBNumber
- CB62599416
- Molecular Formula
- C7H10O5
- Formula Weight
- 174.15
- MOL File
- 5337-04-2.mol
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tetrahydropyran-4,4-dicarboxylic acid Property
- Melting point:
- 87 °C
- Boiling point:
- 412.3±45.0 °C(Predicted)
- Density
- 1.446±0.06 g/cm3(Predicted)
- storage temp.
- Sealed in dry,Room Temperature
- pka
- 1.75±0.20(Predicted)
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N-Bromosuccinimide Price
Biosynth Carbosynth
- Product number
- FD139996
- Product name
- Dihydro-2H-pyran-4,4(3H)-dicarboxylic acid
- Packaging
- 1g
- Price
- $105
- Updated
- 2021/12/16
Biosynth Carbosynth
- Product number
- FD139996
- Product name
- Dihydro-2H-pyran-4,4(3H)-dicarboxylic acid
- Packaging
- 2g
- Price
- $182
- Updated
- 2021/12/16
Biosynth Carbosynth
- Product number
- FD139996
- Product name
- Dihydro-2H-pyran-4,4(3H)-dicarboxylic acid
- Packaging
- 500mg
- Price
- $60
- Updated
- 2021/12/16
Matrix Scientific
- Product number
- 126800
- Product name
- Dihydro-2H-pyran-4,4(3H)-dicarboxylicacid
- Purity
- >95%
- Packaging
- 1g
- Price
- $270
- Updated
- 2021/12/16
American Custom Chemicals Corporation
- Product number
- CHM0377456
- Product name
- TETRAHYDRO-4H-PYRAN-4,4-DICARBOXYLIC ACID
- Purity
- 95.00%
- Packaging
- 5MG
- Price
- $502.19
- Updated
- 2021/12/16
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tetrahydropyran-4,4-dicarboxylic acid Chemical Properties,Usage,Production
Synthesis
5382-77-4
5337-04-2
General procedure for the synthesis of 4,4-tetrahydropyranodicarboxylic acid from diethyl dihydro-2H-pyran-4,4(3H)-dicarboxylate: diethyl tetrahydro-2H-pyran-4,4-dicarboxylate (4.04 g, 20 mmol) was suspended in 30% aqueous sodium hydroxide (10 mL) and the reaction was stirred at room temperature for 28 hours. Upon completion of the reaction, the pH of the reaction solution was adjusted with concentrated hydrochloric acid to 1. Subsequently, appropriate amount of hydrochloric acid was added and the mixture was partitioned between water and ethyl acetate for extraction. The organic layer was dried with anhydrous sodium sulfate and concentrated under reduced pressure to remove the solvent. To the resulting crude product, ethyl acetate (30 mL) was added, the mixture was washed by repurification, the solid product was collected by filtration and dried to give tetrahydro-4H-pyran-4,4-dicarboxylic acid (3.19 g, 18.3 mmol, 92% yield). The product was characterized by 1H-NMR (DMSO-d6): δ 1.90 (4H, t, J = 5.3 Hz), 3.55 (4H, t, J = 5.3 Hz), 12.93 (2H, s).
References
[1] Patent: EP1514869, 2005, A1. Location in patent: Page/Page column 52
[2] Patent: US2004/220214, 2004, A1
[3] Phosphorus, Sulfur and Silicon and the Related Elements, 1990, vol. 47, # 1 + 2, p. 157 - 164
[4] Helvetica Chimica Acta, 1997, vol. 80, # 5, p. 1528 - 1551
[5] Patent: US2011/9390, 2011, A1. Location in patent: Page/Page column 14
tetrahydropyran-4,4-dicarboxylic acid Preparation Products And Raw materials
Raw materials
Preparation Products
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