tert-butyl-4-bromoisoindoline-2-carboxylate
- Product Name
- tert-butyl-4-bromoisoindoline-2-carboxylate
- CAS No.
- 1035235-27-8
- Chemical Name
- tert-butyl-4-bromoisoindoline-2-carboxylate
- Synonyms
- N-BOC-4-BROMOISOINDOLINE;tert-butyl-4-bromoisoindoline-2-carboxylate;tert-Butyl 4-bromo-1,3-dihydro-2H-isoindole-2-carboxylate;tert-butyl 4-bromo-2,3-dihydro-1H-isoindole-2-carboxylate;4-Bromo-1,3-dihydro-isoindole-2-carboxylic acid tert-butyl ester;2H-Isoindole-2-carboxylic acid, 4-bromo-1,3-dihydro-, 1,1-dimethylethyl ester
- CBNumber
- CB82502515
- Molecular Formula
- C13H16BrNO2
- Formula Weight
- 298.18
- MOL File
- 1035235-27-8.mol
tert-butyl-4-bromoisoindoline-2-carboxylate Property
- Boiling point:
- 363.2±42.0 °C(Predicted)
- Density
- 1.400
- storage temp.
- 2-8°C
- pka
- -1.69±0.20(Predicted)
- Appearance
- White to off-white Solid
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P302+P352IF ON SKIN: wash with plenty of soap and water.
P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
N-Bromosuccinimide Price
- Product number
- B789330
- Product name
- tert-Butyl4-Bromoisoindoline-2-carboxylate
- Packaging
- 500mg
- Price
- $175
- Updated
- 2021/12/16
- Product number
- 126665
- Product name
- tert-Butyl4-bromoisoindoline-2-carboxylate
- Purity
- >95%
- Packaging
- 1g
- Price
- $522
- Updated
- 2021/12/16
- Product number
- Z3826
- Product name
- tert-Butyl4-bromoisoindoline-2-carboxylate
- Packaging
- 10g
- Price
- $851
- Updated
- 2021/12/16
- Product number
- Z3826
- Product name
- tert-Butyl4-bromoisoindoline-2-carboxylate
- Packaging
- 25g
- Price
- $1651
- Updated
- 2021/12/16
- Product number
- A152606
- Product name
- tert-Butyl4-bromoisoindoline-2-carboxylate
- Purity
- 95%
- Packaging
- 250mg
- Price
- $52
- Updated
- 2021/12/16
tert-butyl-4-bromoisoindoline-2-carboxylate Chemical Properties,Usage,Production
Synthesis
923590-95-8
24424-99-5
1035235-27-8
Step e. Over 5 min, triethylamine (TEA, 126 mL, 903 mmol) was added dropwise to a stirring suspension of 4-bromoisoindoline hydrochloride (100 g, 430 mmol) in tetrahydrofuran (THF, 700 mL) and the mixture was cooled to 10°C. The reaction temperature was controlled to be below 20°C. Subsequently, a solution of di-tert-butyl dicarbonate (122 g, 559 mmol) in THF (300 mL) was slowly added to the cooled mixture over a period of 15 min while the reaction temperature was controlled to be lower than 20 °C. The resulting mixture was stirred at room temperature for 12 hours. Upon completion of the reaction, the mixture was concentrated under vacuum to give an oil. The oily substance was partitioned between ethyl acetate (EtOAc, 600 mL) and water (600 mL). The aqueous phase was separated and extracted with EtOAc (2 x 500 mL). The organic extracts were combined, washed with brine, dried over anhydrous sodium sulfate (Na2SO4), filtered and evaporated to dryness in vacuum to give the crude product (161 g). The crude product was slurried in hexane (150 mL), filtered and the solid was washed with hexane (60 mL). Finally, it was dried under vacuum at room temperature to give tert-butyl 4-bromoisoindoline-2-carbonate (95.7 g, 75% yield).LCMS (Method R): retention time 3.02 min, m/z 242 (-tBu)/198 (-Boc) [M + H]+.NMR (400 MHz, DMSO-d6) δ ppm: 7.51-7.46 (dd. J = 7.8, 0.6 Hz, 1H), 7.38-7.30 (m, 1H), 7.29-7.21 (m, 1H), 4.73-4.63 (d, 2H), 4.56-4.47 (d, 2H), 1.50-1.42 (d, 9H).
References
[1] Patent: WO2017/158388, 2017, A1. Location in patent: Page/Page column 55; 214
[2] Journal of Organic Chemistry, 2017, vol. 82, # 14, p. 7576 - 7582
tert-butyl-4-bromoisoindoline-2-carboxylate Preparation Products And Raw materials
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View Lastest Price from tert-butyl-4-bromoisoindoline-2-carboxylate manufacturers
- Product
- tert-butyl-4-bromoisoindoline-2-carboxylate 1035235-27-8
- Price
- US $5.50/KG
- Min. Order
- 1KG
- Purity
- 98%min
- Supply Ability
- 1kg-100kg
- Release date
- 2020-01-14