1,4-二(4-甲基-5-苯基-2-噁唑)苯
1,4-bis(4-methyl-5-phenyloxazol-2-yl)benzene
CAS: 3073-87-8
Molecular Formula: C26H20N2O2
1,4-二(4-甲基-5-苯基-2-噁唑)苯 - Names and Identifiers
| Name | 1,4-bis(4-methyl-5-phenyloxazol-2-yl)benzene |
| Synonyms | DMPOPOP Dimethyl-popop p-Bis(2-(4-methyl-5-phenyloxazolyl))benzene 1,4-bis(4-methyl-5-phenyloxazol-2-yl)benzene 1,4-Bis(4-methyl-5-phenyloxazol-2-yl)benzene 1,4-Bis-2-(4-methyl-5-phenyloxazolyl)benzene 1,4-Bis[2-(4-methyl-5-phenyloxazolyl)]benzene 1,4-Bis-2-(4-methyl-5-phenyloxazoylyl)benzene Oxazole, 2,2'-p-phenylenebis*4-methyl-5-phenyl- Oxazole, 2,2'-p-phenylenebis[4-methyl-5-phenyl- 2,2'-(1,4-phenylene)bis[4-methyl-5-phenyl-oxazol Oxazole, 2,2'-(1,4-phenylene)bis[4-methyl-5-phenyl- Oxazole, 2,2'-(1,4-phenylene)bis*4-methyl-5-phenyl- Oxazole, 2,2'-(1,4-phenylene)bis(4-methyl-5-phenyl- 2,2'-benzene-1,4-diylbis(4-methyl-5-phenyl-1,3-oxazole) 5-methyl-2-[4-(4-methyl-5-phenyl-1,3-oxazol-2-yl)phenyl]-4-phenyl-1,3-oxazole |
| CAS | 3073-87-8 |
| EINECS | 221-349-7 |
| InChI | InChI=1/C26H20N2O2/c1-17-24(20-11-7-4-8-12-20)30-25(27-17)21-13-15-22(16-14-21)26-28-23(18(2)29-26)19-9-5-3-6-10-19/h3-16H,1-2H3 |
1,4-二(4-甲基-5-苯基-2-噁唑)苯 - Physico-chemical Properties
| Molecular Formula | C26H20N2O2 |
| Molar Mass | 392.45 |
| Density | 1.1943 (rough estimate) |
| Melting Point | 233-235°C(lit.) |
| Boling Point | 517.17°C (rough estimate) |
| Flash Point | 290.6°C |
| Vapor Presure | 1.74E-12mmHg at 25°C |
| BRN | 629905 |
| pKa | 0.76±0.10(Predicted) |
| Storage Condition | 2-8℃ |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| Refractive Index | 1.5300 (estimate) |
| MDL | MFCD00005310 |
1,4-二(4-甲基-5-苯基-2-噁唑)苯 - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S36 - Wear suitable protective clothing. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
1,4-二(4-甲基-5-苯基-2-噁唑)苯 - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Uses | 1,4-bis [2-(4-methyl-5-phenyloxazole)] benzene can be used as an intermediate in pharmaceutical synthesis. |
| preparation | 5-(triazinyloxy) oxazole 3aa(100mg,0.318mmol), 4-ethoxycarbonylphenylboronic acid (4b,246mg,1.27mmol),NiCl2(dppf)(10.9mg,0.0159mmol),K3PO4(473mg,2.23), liCl (40.4mg,0.954mmol),DPPF(8.8mg,0.0159mmol) and toluene (2.3mL). After the mixture was stirred at 110°C for 6 hours, the reaction mixture was cooled to room temperature. Dilute the reaction mixture, filter CH2Cl2(10mL) through a short diatomite mat, and concentrate the filtrate under reduced pressure. The residue was purified by rapid column chromatography (EtOAc: hexane = 10:90) to give 1, 4-bis [2-(4-methyl-5-phenyloxazole)] benzene 5aab(62.5mg,64%) as a white solid. |
Last Update：2024-04-09 20:52:54
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