ChemicalBook > CAS DataBase List > TERT-BUTYL 3-BROMO-5,6-DIHYDRO-[1,2,4]TRIAZOLO[4,3-A]PYRAZINE-7(8H)-CARBOXYLATE
TERT-BUTYL 3-BROMO-5,6-DIHYDRO-[1,2,4]TRIAZOLO[4,3-A]PYRAZINE-7(8H)-CARBOXYLATE
- Product Name
- TERT-BUTYL 3-BROMO-5,6-DIHYDRO-[1,2,4]TRIAZOLO[4,3-A]PYRAZINE-7(8H)-CARBOXYLATE
- CAS No.
- 723286-80-4
- Chemical Name
- TERT-BUTYL 3-BROMO-5,6-DIHYDRO-[1,2,4]TRIAZOLO[4,3-A]PYRAZINE-7(8H)-CARBOXYLATE
- Synonyms
- 7-Boc-3-bromo-5,6,7,8-tetrahydro-1,2,4-triazolo[4,3-a]pyrazine;tert-butyl 3-broMo-5;3-a]pyrazine-7(8H)-carboxylate;7-Boc-3-bromo-5,6,7,8-tetrahydro-1,2,4-;7-Boc-3-bromo-5,6-dihydro-8H-[1,2,4]triazolo[4,3-a]pyrazine;3-Bromo-7-Boc-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine;tert-butyl 3-bromo-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazine...;7-N-Boc-3-Bromo-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine;3-bromo-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazine-7(8H)-carboxylate;tert-butyl 3-broMo-5H,6H,7H,8H-[1,2,4]triazolo[4,3-a]pyrazine-7-carboxylate
- CBNumber
- CB2168274
- Molecular Formula
- C10H15BrN4O2
- Formula Weight
- 303.16
- MOL File
- 723286-80-4.mol
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TERT-BUTYL 3-BROMO-5,6-DIHYDRO-[1,2,4]TRIAZOLO[4,3-A]PYRAZINE-7(8H)-CARBOXYLATE Property
- Boiling point:
- 430.4±55.0 °C(Predicted)
- Density
- 1.62±0.1 g/cm3(Predicted)
- storage temp.
- under inert gas (nitrogen or Argon) at 2-8°C
- pka
- 0.55±0.20(Predicted)
- Appearance
- White to off-white Solid
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Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P280Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
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N-Bromosuccinimide Price
TRC
- Product number
- B694725
- Product name
- tert-Butyl3-Bromo-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazine-7(8H)-carboxylate
- Packaging
- 500mg
- Price
- $175
- Updated
- 2021/12/16
Biosynth Carbosynth
- Product number
- FB143000
- Product name
- tert-Butyl 3-bromo-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazine-7(8H)-carboxylate
- Packaging
- 100mg
- Price
- $80
- Updated
- 2021/12/16
Apolloscientific
- Product number
- OR470061
- Product name
- 7-Boc-3-bromo-5,6,7,8-tetrahydro-1,2,4-triazolo[4,3-a]pyrazine
- Packaging
- 250mg
- Price
- $82
- Updated
- 2021/12/16
SynQuest Laboratories
- Product number
- 4H56-9-7V
- Product name
- 7-Boc-3-bromo-5,6,7,8-tetrahydro-1,2,4-triazolo[4,3-a]pyrazine
- Packaging
- 250mg
- Price
- $90
- Updated
- 2021/12/16
Biosynth Carbosynth
- Product number
- FB143000
- Product name
- tert-Butyl 3-bromo-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazine-7(8H)-carboxylate
- Packaging
- 250mg
- Price
- $150
- Updated
- 2021/12/16
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TERT-BUTYL 3-BROMO-5,6-DIHYDRO-[1,2,4]TRIAZOLO[4,3-A]PYRAZINE-7(8H)-CARBOXYLATE Chemical Properties,Usage,Production
Chemical Properties
White solid
Synthesis
723286-79-1
723286-80-4
The general procedure for the synthesis of 7-Boc-3-bromo-5,6,7,8-tetrahydro-1,2,4-triazolo[4,3-a]pyrazine using 7-Boc-5,6,7,8-tetrahydro-1,2,4-triazolo[4,3-a]pyrazine as a starting material was as follows: 7-Boc-5,6,7,8-tetrahydro-1,2,4-triazolo[4,3-a]pyrazine (1 g ) was dissolved in chloroform (20 mL) and sodium bicarbonate (688 mg) and N-bromosuccinimide (873 mg) were added sequentially at 0 °C in an ice bath. The reaction mixture was stirred at 0 °C for 2 hours. Upon completion of the reaction, the reaction solution was brought back to room temperature and the reaction was quenched by the addition of an appropriate amount of water, followed by three extractions with chloroform. The organic layers were combined, dried with anhydrous sodium sulfate, filtered and concentrated under reduced pressure to give the crude product. The crude product was purified by silica gel column chromatography to afford the target compound 7-Boc-3-bromo-5,6,7,8-tetrahydro-1,2,4-triazolo[4,3-a]pyrazine (693 mg, 51% yield). lRMS (ESI) m/z 303 [M+H]+.
References
[1] Patent: JP5851663, 2016, B1. Location in patent: Paragraph 0303
[2] Patent: WO2004/58266, 2004, A1. Location in patent: Page/Page column 80
TERT-BUTYL 3-BROMO-5,6-DIHYDRO-[1,2,4]TRIAZOLO[4,3-A]PYRAZINE-7(8H)-CARBOXYLATE Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from TERT-BUTYL 3-BROMO-5,6-DIHYDRO-[1,2,4]TRIAZOLO[4,3-A]PYRAZINE-7(8H)-CARBOXYLATE manufacturers
Career Henan Chemical Co
- Product
- TERT-BUTYL 3-BROMO-5,6-DIHYDRO-[1,2,4]TRIAZOLO[4,3-A]PYRAZINE-7(8H)-CARBOXYLATE 723286-80-4
- Price
- US $0.01/KG
- Min. Order
- 1KG
- Purity
- 98%; 99%
- Supply Ability
- 500g； 1kg; 25kg
- Release date
- 2020-01-10
Career Henan Chemical Co
- Product
- TERT-BUTYL 3-BROMO-5,6-DIHYDRO-[1,2,4]TRIAZOLO[4,3-A]PYRAZINE-7(8H)-CARBOXYLATE 723286-80-4
- Price
- US $1.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 1000KGS
- Release date
- 2019-12-26
723286-80-4, TERT-BUTYL 3-BROMO-5,6-DIHYDRO-[1,2,4]TRIAZOLO[4,3-A]PYRAZINE-7(8H)-CARBOXYLATERelated Search:
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TERT-BUTYL 3-BROMO-5,6-DIHYDRO-[1,2,4]TRIAZOLO[4,3-A]PYRAZINE-7(8H)-CARBOXYLATE
3-bromo-4-methyl-1,2,4-triazole