Description

Dimethyl (4-{2-[5-(Dimethoxyboranyl)-2-Methylthiophen-3-Yl]Cyclopent-1-En-1-Yl}-5-Methylthiophen-2-Yl)Boronate is a sophisticated organoboron building block, specifically a bis-boronic ester, designed for advanced synthetic chemistry. Its value lies in enabling precise carbon-carbon bond formation and serving as a key intermediate in the synthesis of complex, functionalized organic molecules. This high-purity compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and materials science industries who require reliable, high-quality reagents for cross-coupling reactions and molecular scaffold construction.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds containing complex thiophene and cyclopentene motifs.
• Suzuki-Miyaura Cross-Coupling Reactions: Serves as a versatile organoboron reagent for palladium-catalyzed cross-coupling, enabling the construction of biaryl and conjugated systems.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides that require specific heterocyclic architectures.
• Organic Electronic Materials: Acts as a building block for π-conjugated polymers and small molecules used in organic light-emitting diodes (OLEDs) and organic photovoltaics (OPVs).
• Chemical Biology & Probe Development: Utilized in the creation of molecular probes and tags for studying biological processes due to its functional handle for further modification.
• Academic & Industrial R&D: A valuable tool for methodological development in synthetic organic chemistry and for exploring new chemical spaces in drug discovery programs.

Basic Information

Product Name	Dimethyl (4-{2-[5-(Dimethoxyboranyl)-2-Methylthiophen-3-Yl]Cyclopent-1-En-1-Yl}-5-Methylthiophen-2-Yl)Boronate
CAS No.	1632972-15-6
Molecular Formula	C19H25B2O4S2
Molecular Weight	394.15 g/mol
Synonyms	4-[2-[5-(Dimethoxyboryl)-2-methyl-3-thienyl]cyclopent-1-en-1-yl]-5-methyl-2-thiopheneboronic acid dimethyl ester; Bis(boronic ester) thiophene derivative; Dimethyl 4-(2-(5-(dimethoxyboryl)-2-methylthiophen-3-yl)cyclopent-1-en-1-yl)-5-methylthiophene-2-boronate; CAS 1632972-15-6; Organoboron cross-coupling reagent; Thiophene bis-boronic ester
EINECS	Contact for details

Quality Control

Our Dimethyl (4-{2-[5-(Dimethoxyboranyl)-2-Methylthiophen-3-Yl]Cyclopent-1-En-1-Yl}-5-Methylthiophen-2-Yl)Boronate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure high chemical purity and structural identity. Certificates of Analysis (COA) with detailed chromatographic and spectroscopic data are provided to guarantee batch-to-batch consistency and support your regulatory and R&D requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Due to its hygroscopic (moisture-sensitive) nature, it is recommended to handle the material under an inert atmosphere (e.g., nitrogen or argon) for long-term storage and to minimize exposure to ambient humidity. Recommended storage temperature: 2-8°C (refrigerated) for optimal stability.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (H-NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 1.0%

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