2-(tert-butyl)-4,4,5,5-tetramthyl-1,3,2-dioxaborolane

2-(tert-butyl)-4,4,5,5-tetramthyl-1,3,2-dioxaborolane - Names and Identifiers

Name	2-tert-butyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
Synonyms	Pinacol tert butyl borate tert-Butylboronic acid pinacol ester TERT-BUTYLBORONIC ACID PINACOL ESTER 2-tert-butyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2-(tert-butyl)-4,4,5,5-tetramthyl-1,3,2-dioxaborolane 2-(tert-Butyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 1,3,2-Dioxaborolane, 2-(1,1-dimethylethyl)-4,4,5,5-tetramethyl-
CAS	99810-76-1
InChI	InChI=1/C10H21BO2/c1-8(2,3)11-12-9(4,5)10(6,7)13-11/h1-7H3

2-(tert-butyl)-4,4,5,5-tetramthyl-1,3,2-dioxaborolane - Physico-chemical Properties

Molecular Formula	C10H21BO2
Molar Mass	184.08
Density	0.87
Boling Point	60-61℃
Flash Point	66.604°C
Vapor Presure	0.908mmHg at 25°C
Storage Condition	Inert atmosphere,Store in freezer, under -20°C
Refractive Index	1.4105

2-(tert-butyl)-4,4,5,5-tetramthyl-1,3,2-dioxaborolane - Risk and Safety

Hazard Symbols	Xi - Irritant
Hazard Note	Irritant

2-(tert-butyl)-4,4,5,5-tetramthyl-1,3,2-dioxaborolane - Introduction

2-tert-butyl-4,4,5, 5-tetraethyl-1, 3,2-dioxaborolane is an organic compound with the chemical formula C9H19BO2. The following is a description of its nature, use, formulation and safety information:

Nature:
1. 2-tert-butyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane is a colorless liquid, insoluble in water at room temperature.
2. It has low volatility and low melting point, and can be dissolved in some organic solvents, such as ether and toluene.
3. It is stable in the air, but can be oxidized by oxidants.

Use:
1. 2-tert-butyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane is commonly used as an organic boron reagent in organic synthesis for various catalytic reactions, such as Suzuki coupling reaction, Sonogashira coupling reaction and Heck reaction, etc.
2. It is also used as a protecting group in organic synthesis.

Preparation Method:
2-tert-butyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane can be prepared by reacting 2,4, 5-trimethyl-3-ethoxypentafluorophenone with diethyl borate.

Safety Information:
1. In the use and operation of 2-tert-butyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, it is necessary to take appropriate protective measures, such as wearing appropriate protective gloves and glasses.
2. It is a flammable substance and should be kept away from fire sources and open flames.
3. When storing 2-tert-butyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, it should be sealed and stored in a cool, dry and well-ventilated place.

Last Update：2024-04-10 22:29:15