CAS 287944-10-9: 1-Cyclopentenylboronic acid pinacol ester

Description: 1-Cyclopentenylboronic acid pinacol ester is an organoboron compound characterized by the presence of a cyclopentene ring and a boronic acid functional group, which is esterified with pinacol. This compound typically exhibits properties common to boronic acids, such as the ability to form reversible complexes with diols and other Lewis bases, making it useful in various organic synthesis applications, particularly in Suzuki-Miyaura cross-coupling reactions. The cyclopentene moiety contributes to its reactivity and potential applications in the synthesis of complex organic molecules. Additionally, the pinacol ester enhances the stability and solubility of the boronic acid, facilitating its handling and use in laboratory settings. The compound is generally sensitive to moisture and air, requiring careful storage conditions to maintain its integrity. Its unique structure allows for potential applications in medicinal chemistry and materials science, where boron-containing compounds are of significant interest due to their diverse reactivity and functionalization capabilities.

Formula: C₁₁H₁₉BO₂

InChI: InChI=1/C11H19BO2/c1-10(2)11(3,4)14-12(13-10)9-7-5-6-8-9/h7H,5-6,8H2,1-4H3

Synonyms:

• 1,3,2-Dioxaborolane, 2-(1-Cyclopenten-1-Yl)-4,4,5,5-Tetramethyl-
• 2-(Cyclopent-1-en-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
• 2-Cyclopentenyl-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane

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

CAS: 287944-10-9

• Formula: C₁₁H₁₉BO₂
• Purity: 98%
• Color and Shape: Liquid
• Molecular weight: 194.0784

1-Cyclopentenylboronic acid pinacol ester

CAS: 287944-10-9

• Purity: 98%
• Molecular weight: 194.078

2-(1-Cyclopentenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

CAS: 287944-10-9

• Formula: C₁₁H₁₉BO₂
• Purity: >98.0%(GC)
• Color and Shape: Colorless to Light yellow clear liquid
• Molecular weight: 194.08

Cyclopenten-1-ylboronic acid, pinacol ester

CAS: 287944-10-9

• Formula: C₁₁H₁₉BO₂
• Purity: 98% (nmr) (Typical Value in Batch COA)
• Color and Shape: colourless liquid
• Molecular weight: 194.08g/mol

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

CAS: 287944-10-9

• Purity: 95.0%
• Color and Shape: Liquid
• Molecular weight: 194.0800018310547

1-Cyclopentenylboronic acid pinacol ester

CAS: 287944-10-9

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• Formula: C₁₁H₁₉BO₂
• Purity: Min. 95%
• Molecular weight: 194.08 g/mol