1,4-Benzenediboronic acid dipinacol ester, 1,4-Bis(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzene
2,2'-benzene-1,4-diylbis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane)
CAS: 99770-93-1
Molecular Formula: C18H28B2O4
1,4-Benzenediboronic acid dipinacol ester, 1,4-Bis(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzene - Names and Identifiers
| Name | 2,2'-benzene-1,4-diylbis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) |
| Synonyms | 1,4-phenyldiboronic acid bis(pinacol) ester Benzene-1,4-diboronic acid, pinacol diester benzene-1,4-diboronic acid bispinacol ester 1,4-phenyldiboronic acid, bis(pinacol) ester 1,4-Phenylenediboronic acid, pinacol diester 2,2'-benzene-1,4-diylbis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) 1,4-Benzenediboronic acid dipinacol ester, 1,4-Bis(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzene |
| CAS | 99770-93-1 |
| InChI | InChI=1/C18H28B2O4/c1-15(2)16(3,4)22-19(21-15)13-9-11-14(12-10-13)20-23-17(5,6)18(7,8)24-20/h9-12H,1-8H3 |
| InChIKey | UOJCDDLTVQJPGH-UHFFFAOYSA-N |
1,4-Benzenediboronic acid dipinacol ester, 1,4-Bis(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzene - Physico-chemical Properties
| Molecular Formula | C18H28B2O4 |
| Molar Mass | 330.03 |
| Density | 1.03±0.1 g/cm3(Predicted) |
| Melting Point | 241-245°C |
| Boling Point | 416.3±28.0 °C(Predicted) |
| Flash Point | 205.559°C |
| Solubility | soluble in Toluene |
| Vapor Presure | 0mmHg at 25°C |
| Appearance | powder to crystal |
| Color | White to Almost white |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Refractive Index | 1.49 |
| MDL | B153053 |
1,4-Benzenediboronic acid dipinacol ester, 1,4-Bis(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzene - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| WGK Germany | 3 |
| HS Code | 29349990 |
1,4-Benzenediboronic acid dipinacol ester, 1,4-Bis(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzene - Introduction
2,2 '-benzene-1,4-diylbis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) is an organic compound with the chemical formula C20H32B2O4. The following is a description of some of its properties, uses, methods and safety information:
Nature:
-Appearance: White solid
-Melting point: about 110-112°C
-Low water solubility, soluble in organic solvents such as chloroform and methanol
Use:
- 2,2 '-benzene-1,4-diylbis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) can be used as an important intermediate in organic synthesis.
-It can play the role of catalyst in a variety of chemical reactions, such as Suzuki coupling reaction, polymer polymerization reaction, and some C- C bond or C- X bond formation reaction.
Preparation Method: The synthesis of
- 2,2 '-benzene-1,4-diylbis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) can be obtained by the reaction of benzene p-dicarboxylic acid dianhydride with 2,2'-methylcyclopentadionediphenol. The specific preparation process requires more detailed experimental conditions and steps.
Safety Information:
-Detailed safety information can be obtained from the Safety Data Sheet (SDS). In general, it is necessary to pay attention to personal protective measures during operation, such as wearing protective gloves, glasses and masks, ensuring that the operation is carried out in a well-ventilated place, and complying with relevant chemical storage and handling regulations.
Nature:
-Appearance: White solid
-Melting point: about 110-112°C
-Low water solubility, soluble in organic solvents such as chloroform and methanol
Use:
- 2,2 '-benzene-1,4-diylbis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) can be used as an important intermediate in organic synthesis.
-It can play the role of catalyst in a variety of chemical reactions, such as Suzuki coupling reaction, polymer polymerization reaction, and some C- C bond or C- X bond formation reaction.
Preparation Method: The synthesis of
- 2,2 '-benzene-1,4-diylbis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) can be obtained by the reaction of benzene p-dicarboxylic acid dianhydride with 2,2'-methylcyclopentadionediphenol. The specific preparation process requires more detailed experimental conditions and steps.
Safety Information:
-Detailed safety information can be obtained from the Safety Data Sheet (SDS). In general, it is necessary to pay attention to personal protective measures during operation, such as wearing protective gloves, glasses and masks, ensuring that the operation is carried out in a well-ventilated place, and complying with relevant chemical storage and handling regulations.
Last Update：2024-04-10 22:29:15
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CAS: 99770-93-1
Tel: 18301782025
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Mobile: 18021002903
QQ: 3008007409
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