4-(4-Ethylpiperazin-1-yl)-phenylboronicacidpinacolester
- CAS No.
- 656257-45-3
- Chemical Name:
- 4-(4-Ethylpiperazin-1-yl)-phenylboronicacidpinacolester
- Synonyms
- 4-(4-Ethylpiperazin-1-yl)-phenylboronicacidpicolester;4-(4-Ethylpiperazino)phenylboronic Acid Pinacol Ester;4-(4-Ethylpiperazin-1-yl)-phenylboronicacidpinacolester;1-Ethyl-4-[4-(4.4.5.5-tetraMethyl-1.3.2-dioxaborolan-2-yl)phenyl]piperazine;Piperazine, 1-ethyl-4-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-
- CBNumber:
- CB72498280
- Molecular Formula:
- C18H29BN2O2
- Molecular Weight:
- 316.25
- MDL Number:
- MFCD13190738
- MOL File:
- 656257-45-3.mol
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() GHS07 |
|---|---|
| Signal word | Warning |
| Hazard statements | H302-H315-H319-H335 |
| Precautionary statements | P261-P305+P351+P338 |
4-(4-Ethylpiperazin-1-yl)-phenylboronicacidpinacolester price More Price(30)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Synthonix | E59322 | 4-(4-Ethylpiperazin-1-yl)phenylboronic acid pinacol ester 95+% | 656257-45-3 | 100mg | $16 | 2026-05-06 | Buy |
| Synthonix | E59322 | 4-(4-Ethylpiperazin-1-yl)phenylboronic acid pinacol ester 95+% | 656257-45-3 | 250mg | $22 | 2026-05-06 | Buy |
| Synthonix | E59322 | 4-(4-Ethylpiperazin-1-yl)phenylboronic acid pinacol ester 95+% | 656257-45-3 | 1g | $50 | 2026-05-06 | Buy |
| Synthonix | E59322 | 4-(4-Ethylpiperazin-1-yl)phenylboronic acid pinacol ester 95+% | 656257-45-3 | 5g | $270 | 2026-05-06 | Buy |
| Synthonix | E59322 | 4-(4-Ethylpiperazin-1-yl)phenylboronic acid pinacol ester 95+% | 656257-45-3 | 10g | $1240 | 2026-05-06 | Buy |
4-(4-Ethylpiperazin-1-yl)-phenylboronicacidpinacolester Chemical Properties, Uses, Production
Uses
1-Ethyl-4-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]piperazine
Synthesis
25015-63-8
656257-43-1
656257-45-3
1-(4-Bromophenyl)-4-ethylpiperazine (3 g, 11 mmol) and pinacolborane were dissolved in dioxane (100 mL) and then 4,4,5,5-tetramethyl-1,3,2-dioxaborolane (1.8 g, 12 mmol), dichlorobis(triphenylphosphine)palladium(II) (0.392 g, 0.57 mmol) and triethylamine (4.65 g, 33 mmol). The reaction mixture was heated to reflux for 12 hours. After completion of the reaction, the mixture was poured into water and extracted with dichloromethane. The organic phase was dried with anhydrous sodium sulfate and concentrated under reduced pressure. The residue was purified by silica gel column chromatography with dichloromethane/methanol (9/1, v/v) as eluent. 4-(4-Ethyl-1-piperazinyl)phenylboronic acid pinacol ester was obtained as a brown oil, which crystallized on standing (2 g, yield 55.48%), melting point 130-134°C.
References
[1] Patent: WO2004/13134, 2004, A2. Location in patent: Page 27; 28
[2] Patent: WO2004/13135, 2004, A1. Location in patent: Page 49
4-(4-Ethylpiperazin-1-yl)-phenylboronicacidpinacolester Preparation Products And Raw materials
Raw materials
Preparation Products
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Pure Chemistry Scientific Inc. | 001-857-928-2050 or 1-888-588-9418 | sales@chemreagents.com | United States | 10174 | 62 |
| Shanghai Sunway Pharmaceutical Technology Co., Ltd | 13761987713 | hxzheng@sunwaypharm.cn | China | 8663 | 57 |
| Shanghai civi chemical technology co.,Ltd | 86-21-34053660 | sale@labgogo.com | China | 9853 | 52 |
| Chengdu AstaTech Trading Co., Ltd./AstaTech (Chengdu) Pharma. Co., Ltd. | +86-28-85122536 85324413 | market@astatech.cn | China | 8016 | 55 |
| ShangHai KenEn Chemical Technology Co., Ltd. | 13120367189;18621755571 | mychess007@163.com | China | 1994 | 55 |
| ShangHai AmK Pharmaceutical Technology Co., Ltd. | 微信 18019252918 18019252918 | sale@amkchem.com | China | 14982 | 55 |
| Changsha Luxing Bio-Chem Technology Co., Ltd. | 0731-88827538 15574813303 | luxingbc@126.com | China | 1975 | 65 |
| Jiangsu Aikon Biopharmaceutical R&D co.,Ltd. | 025-66028182 17714375163 | yftan@aikonchem.com | China | 16674 | 50 |
| Atop Bio-Tech (Tianjin) Co., Ltd. (Atop) | 022-66200236 18622210341 | sales@atop-biotech.com | China | 295 | 60 |
| Amadis Chemical Company Limited | 571-89925085 | sales@amadischem.com | China | 131885 | 58 |
View Latest Price from 4-(4-Ethylpiperazin-1-yl)-phenylboronicacidpinacolester manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
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2019-07-06 | 4-(4-Ethylpiperazin-1-yl)-phenylboronicacidpinacolester
656257-45-3
|
$1.00 | 1KG | 95% | 500KG | Career Henan Chemical Co |
-

- 4-(4-Ethylpiperazin-1-yl)-phenylboronicacidpinacolester
656257-45-3
- $1.00
- 95%
- Career Henan Chemical Co
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