Description

4-(4-Acetyl-1-piperazinyl)phenylboronic Acid Pinacol Ester (CAS No. 1218791-38-8) is a high-purity boronic ester derivative with the molecular formula C₁₈H₂₇BN₂O₃. This compound features a piperazinyl-acetyl group linked to a phenylboronic acid pinacol ester, making it a versatile intermediate for Suzuki-Miyaura cross-coupling reactions and other organoboron chemistry applications. Its stable pinacol ester moiety ensures enhanced shelf-life and handling convenience under ambient conditions. Ideal for pharmaceutical research, medicinal chemistry, and materials science, this reagent is rigorously tested for purity (typically >95% by HPLC or NMR) and is supplied in moisture-resistant packaging to maintain integrity. Store in a cool, dry place, protected from light.

Properties

• CAS Number: 1218791-38-8
• Complexity: 451
• IUPAC Name: 1-[4-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]piperazin-1-yl]ethanone
• InChI: InChI=1S/C18H27BN2O3/c1-14(22)20-10-12-21(13-11-20)16-8-6-15(7-9-16)19-23-17(2,3)18(4,5)24-19/h6-9H,10-13H2,1-5H3
• InChI Key: VRZVSHHLWMAHAZ-UHFFFAOYSA-N
• Exact Mass: 330.2114729
• Molecular Formula: C18H27BN2O3
• Molecular Weight: 330.2
• SMILES: B1(OC(C(O1)(C)C)(C)C)C2=CC=C(C=C2)N3CCN(CC3)C(=O)C
• Topological: 42
• Monoisotopic Mass: 330.2114729
• Synonyms: 1218791-38-8, 4-(4-Acetyl-1-piperazinyl)phenylboronic Acid Pinacol Ester, 4-(4-Acetylpiperazino)phenylboronic acid, pinacol ester, 1-(4-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperazin-1-yl)ethanone, 1-[4-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]piperazin-1-yl]ethanone, Ethanone, 1-[4-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-1-piperazinyl]-, MFCD13195756, 4-(4-Acetyl-1-piperazinyl)benzeneboronic acid pinacol ester, 1-(4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperazin-1-yl)ethan-1-one, 1-{4-[4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]piperazin-1-yl}ethan-1-one, (4-(4-acetylpiperazin-1-yl)phenyl)boronic acid pinacol ester, 4-(4-Acetylpiperazino)phenylboronic acid pinacol ester, VRZVSHHLWMAHAZ-UHFFFAOYSA-N, SCHEMBL2379423, 4-(4-Acetyl-1-piperazinyl)phenylboronicAcidPinacolEster, DTXSID40682243, AKOS022183992, AS-32354, SY026577, DB-366816, CS-0174596, 1-{4-[4-(4,4,5,5-tetramethyl[1,3,2]dioxaborolan-2-yl)phenyl]piperazin-1-yl}ethanone

Application

This compound is widely used as a key intermediate in the synthesis of biologically active molecules, particularly in the development of kinase inhibitors and other therapeutic agents. Its boronic ester functionality enables efficient cross-coupling reactions for constructing complex aryl-aryl bonds in drug discovery. Researchers also employ it in the preparation of advanced materials, such as organic semiconductors and metal-organic frameworks (MOFs), due to its robust reactivity and stability.

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