Description

E-2-(1-Pentenyl)-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane is a high-value, organoboron building block essential for advanced synthetic chemistry. Its core value lies in enabling efficient cross-coupling reactions, particularly Suzuki-Miyaura couplings, which are fundamental for constructing complex molecular architectures. This compound is critically needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and materials science industries for creating novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Key reagent in the synthesis of complex drug candidates and active pharmaceutical ingredients (APIs) via palladium-catalyzed cross-coupling.
• Agrochemical Synthesis: Used to construct novel herbicide and pesticide molecules with enhanced efficacy and selectivity.
• Material Science & OLED Development: Building block for creating organic light-emitting diode (OLED) materials and advanced polymers with specific electronic properties.
• Ligand & Catalyst Development: Serves as a precursor for synthesizing specialized ligands and catalysts used in asymmetric synthesis.
• Academic & Industrial R&D: A versatile tool for method development and exploring new chemical spaces in research laboratories.
• Fine Chemical Production: Enables the scalable, efficient production of specialty and fine chemicals requiring specific carbon-carbon bond formations.

Basic Information

Product Name	E-2-(1-Pentenyl)-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane
CAS No.	161395-96-6
Molecular Formula	C₁₁H₂₁BO₂
Molecular Weight	196.10 g/mol
Synonyms	1-Pentenylboronic Acid Pinacol Ester; (E)-1-Pentenylboronic Acid Pinacol Ester; (E)-2-(Pent-1-en-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; trans-1-Pentenylboronic Acid Pinacol Ester; (E)-1-Pentenyl-Bpin; Pinacol (E)-1-Pentenylboronate; (E)-1-Pentenyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
EINECS	Contact for details

Quality Control

Our E-2-(1-Pentenyl)-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity for demanding synthetic applications. All products undergo rigorous analytical testing, including NMR (¹H, ¹³C, ¹¹B), HPLC, and GC analysis, to verify identity, purity, and isomeric composition. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) for long-term storage and when dispensing to maintain optimal purity and reactivity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (NMR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Isomeric Purity (E/Z Ratio)	≥ 95:5 (E:Z)
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.