2-(3-Methoxythiophen-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

Name: 2-(3-Methoxythiophen-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
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CAS No. 1310384-98-5
Cat. No. CS-0173549
Purity≥97%
MDL No.MFCD09837621

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2-(3-Methoxythiophen-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane|CS-0173549

Structure of 1310384-98-5

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Description

This boronate ester features a methoxythiophene moiety linked to a tetramethyl-1,3,2-dioxaborolane ring, enabling stable coupling in Suzuki-Miyaura reactions. The electron-rich thiophene unit enhances reactivity, while the sterically protected boron group ensures shelf stability and minimal protodeboronation under standard conditions.

Application

2-(3-Methoxythiophen-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane serves as a stable, bench-ready boron building block for Suzuki-Miyaura cross-coupling reactions. The thiophene core enables efficient access to functionalized heteroaromatic scaffolds, while the tetramethyl-substituted dioxaborolane enhances air stability and simplifies purification. Its methoxy group provides a polar handle for downstream modification and improves solubility in common reaction media.

General Information

CAS No. 1310384-98-5
Cat. No. CS-0173549
Purity ≥97%
MDL No. MFCD09837621
Storage -20°C, sealed storage, away from moisture
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₁₁H₁₇BO₃S
Molecular Weight None
Synonym(s) 4,4,5,5-Tetramethyl-2-(3-methoxy-2-thienyl)-1,3,2-dioxaborolane
SMILES CC1(C)C(C)(C)OB(C2=C(OC)C=CS2)O1

Computational Chemistry Data

TPSA 27.69
LogP 2.0559
H_Acceptors 4
H_Donors 0
Rotatable_Bonds 2

Safety Information

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GHS Pictogram :	GHS No : GHS07
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H302-H315-H319-H335
Precautionary Statements : P261-P280-P302+P352

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Other Classifications

Building Blocks Skeleton Aromatic heterocycle compounds Thiophene compounds

Material Science Solar Cell Materials Donor Intermediate DI

Key Words

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2-(3-Methoxythiophen-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

CAS No. 1310384-98-5

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