ChemicalBook > CAS DataBase List > 1-BOC-4-(4-BROMO-2-CYANOPHENYL)PIPERAZINE

1-BOC-4-(4-BROMO-2-CYANOPHENYL)PIPERAZINE

Product Name
1-BOC-4-(4-BROMO-2-CYANOPHENYL)PIPERAZINE
CAS No.
791846-40-7
Chemical Name
1-BOC-4-(4-BROMO-2-CYANOPHENYL)PIPERAZINE
Synonyms
tert-Butyl 4-(4-bromo-2-cyanophenyl);1-BOC-4-(4-BROMO-2-CYANOPHENYL)PIPERAZINE;TERT-BUTYL 4-(4-BROMO-2-CYANOPHENYL)PIPERAZINE-1-CARBOXYLATE;4-(4-Bromo-2-cyano-phenyl)-piperazine-1-carboxylic acid tert-butyl ester;1-Piperazinecarboxylic acid, 4-(4-bromo-2-cyanophenyl)-, 1,1-dimethylethyl ester
CBNumber
CB52453764
Molecular Formula
C16H20BrN3O2
Formula Weight
366.25
MOL File
791846-40-7.mol
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1-BOC-4-(4-BROMO-2-CYANOPHENYL)PIPERAZINE Property

storage temp. 
Sealed in dry,Room Temperature
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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

Biosynth Carbosynth
Product number
FB144043
Product name
tert-Butyl 4-(4-bromo-2-cyanophenyl)piperazine-1-carboxylate
Packaging
250mg
Price
$62.5
Updated
2021/12/16
Biosynth Carbosynth
Product number
FB144043
Product name
tert-Butyl 4-(4-bromo-2-cyanophenyl)piperazine-1-carboxylate
Packaging
500mg
Price
$110
Updated
2021/12/16
AK Scientific
Product number
W8485
Product name
1-Boc-4-(4-Bromo-2-cyanophenyl)piperazine
Packaging
250mg
Price
$111
Updated
2021/12/16
Biosynth Carbosynth
Product number
FB144043
Product name
tert-Butyl 4-(4-bromo-2-cyanophenyl)piperazine-1-carboxylate
Packaging
1g
Price
$189
Updated
2021/12/16
Matrix Scientific
Product number
072475
Product name
1-Boc-4-(4-Bromo-2-cyanophenyl)piperazine
Purity
95+%
Packaging
250mg
Price
$231
Updated
2021/12/16
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1-BOC-4-(4-BROMO-2-CYANOPHENYL)PIPERAZINE Chemical Properties,Usage,Production

Synthesis

179897-89-3

57260-71-6

791846-40-7

General procedure for the synthesis of 1-BOC-4-(4-bromo-2-cyanophenyl)piperazine from 2-fluoro-5-bromobenzonitrile and N-BOC-piperazine: in a pressure tube, 5-bromo-2-fluorobenzonitrile (2,500 mg, 12.5 mmol), tert-butyl piperazine-1-carboxylate (2,444.45 mg, 13.12 mmol) and triethylamine (5.23 mL. 37.5 mmol) were dissolved in dimethyl sulfoxide (10 mL) and the reaction was refluxed at 100 °C. After completion of the reaction, the mixture was cooled and separated by extraction with ethyl acetate and saturated aqueous sodium bicarbonate. The organic phase was dried with anhydrous sodium sulfate and concentrated under reduced pressure. The crude product was purified by fast column chromatography on silica gel, eluting with a 5-60% ethyl acetate/hexane gradient to afford the light brown oily product tert-butyl 4-(4-bromo-2-cyanophenyl)piperazine-1-carboxylate (3660 mg, 80% yield).

References

[1] Patent: KR2016/37198, 2016, A. Location in patent: Paragraph 2392-2394
[2] Bioorganic and Medicinal Chemistry Letters, 2004, vol. 14, # 20, p. 5095 - 5098
[3] Patent: WO2017/38909, 2017, A1. Location in patent: Paragraph 0290; 0291
[4] Patent: WO2009/79593, 2009, A1. Location in patent: Page/Page column 120

1-BOC-4-(4-BROMO-2-CYANOPHENYL)PIPERAZINE Preparation Products And Raw materials

Raw materials

Preparation Products

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1-BOC-4-(4-BROMO-2-CYANOPHENYL)PIPERAZINE Suppliers

Pure Chemistry Scientific Inc.
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001-857-928-2050 or 1-888-588-9418
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001-617-206-9595
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sales@chemreagents.com
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United States
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Shanghai Hanhong Scientific Co.,Ltd.
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021-54306202 13764082696
Email
info@hanhongsci.com
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China
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SynAsst Chemical.
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China
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ShangHai KenEn Chemical Technology Co., Ltd.
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ShangHai AmK Pharmaceutical Technology Co., Ltd.
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Amadis Chemical Company Limited
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Hangzhou Molcore Biopharmatech Co.,Ltd
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Aikon International Limited
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Suzhou Nuoouman Biological Technology Co., Ltd.
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791846-40-7, 1-BOC-4-(4-BROMO-2-CYANOPHENYL)PIPERAZINERelated Search:


  • 1-BOC-4-(4-BROMO-2-CYANOPHENYL)PIPERAZINE
  • TERT-BUTYL 4-(4-BROMO-2-CYANOPHENYL)PIPERAZINE-1-CARBOXYLATE
  • tert-Butyl 4-(4-bromo-2-cyanophenyl)
  • 4-(4-Bromo-2-cyano-phenyl)-piperazine-1-carboxylic acid tert-butyl ester
  • 1-Piperazinecarboxylic acid, 4-(4-bromo-2-cyanophenyl)-, 1,1-dimethylethyl ester
  • 791846-40-7