78902-09-7
Phthalimidoacetaldehyde diethyl acetal
CAS: 78902-09-7
Molecular Formula: C14H17NO4
78902-09-7 - Names and Identifiers
| Name | Phthalimidoacetaldehyde diethyl acetal |
| Synonyms | LABOTEST-BB LT00454122 N-(2,2-DIETHOXYETHYL)PHTHALIMIDE phthalimido-acetaldehyde hydrate Phthalimidoacetaldehyde diethyl acetal PHTHALIMIDOACETALDEHYDE DIETHYL ACETAL 2-PHTHALIMIDOACETALDEHYDE DIETHYL ACETAL 2-Phthalimidylacetaldehyde diethyl acetal 2-(Phthalimido)acetaldehyde diethylacetal 2-(2,2-diethoxyethyl)-1H-isoindole-1,3(2H)-dione |
| CAS | 78902-09-7 |
| InChI | InChI=1/C14H17NO4/c1-3-18-12(19-4-2)9-15-13(16)10-7-5-6-8-11(10)14(15)17/h5-8,12H,3-4,9H2,1-2H3 |
78902-09-7 - Physico-chemical Properties
| Molecular Formula | C14H17NO4 |
| Molar Mass | 263.29 |
| Density | 1.200±0.06 g/cm3(Predicted) |
| Melting Point | 72-74 °C (lit.) |
| Boling Point | 372.3±32.0 °C(Predicted) |
| Flash Point | 179°C |
| Water Solubility | Insoluble in water. |
| Vapor Presure | 9.7E-06mmHg at 25°C |
| Appearance | powder to crystal |
| Color | Light yellow to Yellow to Orange |
| BRN | 215793 |
| pKa | -2.17±0.20(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Sensitive | Moisture Sensitive |
| Refractive Index | 1.541 |
| MDL | MFCD00005901 |
| Physical and Chemical Properties | Off-white to white powder |
78902-09-7 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| HS Code | 29126000 |
| Hazard Note | Irritant |
78902-09-7 - Reference Information
| Application | the performance of phthalimide is relatively stable, n-H on the hydrogen is very active can be substituted by many groups to generate important organic chemical products, so that in pesticides, pharmaceuticals, dyes, organic pigments, rubber and other fields have a wide range of applications. Benzoyl iminoacetaldehyde diethyl acetal is its derivatives, also mainly used as pharmaceutical intermediates. |
| preparation | in a 250 mL Erlenmeyer flask add phthalic anhydride and aminoacetaldehyde diethanol acetal, iron powder and 100 mL water, mixed well. A reflux condenser tube was installed and irradiated with microwave (thin layer chromatography) until the reaction was complete. Cool to room temperature, Suction filtration, filter cake drying. The filtrate was extracted with ethyl acetate and petroleum ether respectively, the organic layer was separated, dried with anhydrous magnesium sulfate, and the extractant was removed by rotary evaporation to obtain a yellow needle-like solid. The filter cake was dissolved in an appropriate amount of hot DMF, and filtered while hot, the filter cake was washed with a small amount of hot DMF, and the filtrate was collected and dried over anhydrous magnesium sulfate. Then, DMF was recovered by distillation under reduced pressure to obtain a yellow needle-like solid. The yellow needle-like solid is combined to give the product phthaliminoacetaldehyde diethylacetal. |
Last Update：2024-04-10 22:29:15
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View History
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