307531-74-4
(E)-1-Heptene-1,2-diboronic acid bis(pinacol) ester
CAS: 307531-74-4
Molecular Formula: C19H36B2O4
307531-74-4 - Names and Identifiers
307531-74-4 - Physico-chemical Properties
| Molecular Formula | C19H36B2O4 |
| Molar Mass | 350.11 |
| Density | 0.949g/mLat 25°C(lit.) |
| Boling Point | 330°C(lit.) |
| Flash Point | >230°F |
| Vapor Presure | 0.000233mmHg at 25°C |
| BRN | 8859280 |
| Refractive Index | n20/D 1.457(lit.) |
307531-74-4 - Risk and Safety
| Safety Description | 24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
307531-74-4 - Introduction
1-Hepten-1, 2-diboronic acid bis (2,3-dimethyl-2,3-butanediol) Ester is an organic compound with the chemical formula C16H32B2O4.
Nature:
-Appearance: Often colorless liquid.
-Melting point: About -30 ℃.
-Boiling point: About 115-118 ℃.
-Density: about 0.92g/cm³.
-Stable at room temperature and not easy to decompose.
Use:
-1-heptene -1,2-diboronic acid bis (2,3-dimethyl -2,3-butanediol) Ester is mainly used in the field of organic synthesis, as a ligand or reagent to participate in various chemical reactions, such as Suzuki coupling reaction.
-It can be used to prepare important intermediates in organic synthesis such as heptenolic acid and heptenone.
Method:
The preparation of 1-heptene-1, 2-diboronic acid bis (2,3-dimethyl -2,3-butanediol) Ester can generally be achieved by the following steps:
1. Heptene and disodium diborate are reacted in aqueous solution to form heptene -1,2-diborate.
2. The heptene -1,2-diborate and 2,3-dimethyl -2,3-butanediol were reacted under the catalysis of sulfuric acid to obtain the target product.
Safety Information:
-1-heptene -1,2-diboronic acid bis (2,3-dimethyl -2,3-butanediol) Ester is an organic compound, care should be taken to prevent contact with skin and eyes.
-Wear appropriate personal protective equipment, such as gloves and glasses.
-Good laboratory safety practices should be followed during operation to avoid harmful gases and fire risks.
-Seek immediate medical assistance if unintended contact or ingestion occurs.
Nature:
-Appearance: Often colorless liquid.
-Melting point: About -30 ℃.
-Boiling point: About 115-118 ℃.
-Density: about 0.92g/cm³.
-Stable at room temperature and not easy to decompose.
Use:
-1-heptene -1,2-diboronic acid bis (2,3-dimethyl -2,3-butanediol) Ester is mainly used in the field of organic synthesis, as a ligand or reagent to participate in various chemical reactions, such as Suzuki coupling reaction.
-It can be used to prepare important intermediates in organic synthesis such as heptenolic acid and heptenone.
Method:
The preparation of 1-heptene-1, 2-diboronic acid bis (2,3-dimethyl -2,3-butanediol) Ester can generally be achieved by the following steps:
1. Heptene and disodium diborate are reacted in aqueous solution to form heptene -1,2-diborate.
2. The heptene -1,2-diborate and 2,3-dimethyl -2,3-butanediol were reacted under the catalysis of sulfuric acid to obtain the target product.
Safety Information:
-1-heptene -1,2-diboronic acid bis (2,3-dimethyl -2,3-butanediol) Ester is an organic compound, care should be taken to prevent contact with skin and eyes.
-Wear appropriate personal protective equipment, such as gloves and glasses.
-Good laboratory safety practices should be followed during operation to avoid harmful gases and fire risks.
-Seek immediate medical assistance if unintended contact or ingestion occurs.
Last Update：2024-04-10 22:29:15
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