2-Methyl-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-benzonitrile
- CAS NO.:775351-54-7
- Empirical Formula: C14H18BNO2
- Molecular Weight: 243.11
- MDL number: MFCD11035951
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-10-18 14:20:48
What is 2-Methyl-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-benzonitrile ?
Synthesis
A mixture of dichloro[1 ,1 ,'-bis(diphenylphosphino)ferrocene] palladium (II) dichloromethane adduct (2.12 g, 2.55 mmol), potassium acetate (7.66 g, 76.5 mmol), and bis(pinacolato) diboron (7.12 g, 28.1 mmol) was flushed with nitrogen. 1 ,2- dimethoxyethane (130 ml ) and 4-bromo-2-methylbenzonitrile (5.00 g, 25.5 mmol) were added. The reaction was stirred at 80°C for 5 h. The reaction was cooled to room temperature and filtered through celite. The filtrate was diluted with ethyl acetate and washed with water. The organic layer was washed with brine, dried over magnesium sulfate and filtered. Silica gel was added and the mixture was concentrated. Finally, the crude material was purified by silica column chromatography eluting with a gradient of 0%- 45% ethyl acetate / heptane to give 2-Methyl-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-benzonitrile (5.07 g, 82%) as a white solid.
Properties of 2-Methyl-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-benzonitrile
Boiling point: | 368.7±35.0 °C(Predicted) |
Density | 1.05±0.1 g/cm3(Predicted) |
storage temp. | 2-8°C |
Safety information for 2-Methyl-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-benzonitrile
Signal word | Warning |
Pictogram(s) |
Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
Precautionary Statement Codes |
P233:Keep container tightly closed. P260:Do not breathe dust/fume/gas/mist/vapours/spray. P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P304:IF INHALED: P312:Call a POISON CENTER or doctor/physician if you feel unwell. P321:Specific treatment (see … on this label). P330:Rinse mouth. P340:Remove victim to fresh air and keep at rest in a position comfortable for breathing. P362:Take off contaminated clothing and wash before reuse. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P332+P313:IF SKIN irritation occurs: Get medical advice/attention. P337+P313:IF eye irritation persists: Get medical advice/attention. P403:Store in a well-ventilated place. P405:Store locked up. P403+P233:Store in a well-ventilated place. Keep container tightly closed. P501:Dispose of contents/container to..… |
Computed Descriptors for 2-Methyl-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-benzonitrile
New Products
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