7-Bromo-9,9-dihexylfluoren-2-yl-boronicacid

7-Bromo-9,9-dihexylfluoren-2-yl-boronicacid - Names and Identifiers

Name	7-Bromo-9,9-dihexylfluoren-2-yl-boronicacid
Synonyms	7-Bromo-9,9-dihexylfluoren-2-yl-boronicacid 7-Bromo-9,9-Dihexylfluoren-2-Yl-Boronic Acid 7-bromo-9,9-dihexylfluoren-2-yl-boronic acid (7-broMo-9,9-dihexyl-9H-fluoren-2-yl)boronic acid B-(7-Bromo-9,9-dihexyl-9H-fluoren-2-yl)boronic acid 7-Bromo-9,9-dihexylfluoren-2-ylboronic Acid, 1,8-Diaminonaphthalene, Protected
CAS	934762-26-2

7-Bromo-9,9-dihexylfluoren-2-yl-boronicacid - Physico-chemical Properties

Molecular Formula	C25H34BBrO2
Molar Mass	457.25
Density	1.23
Boling Point	578℃
Flash Point	304℃
Storage Condition	2-8°C

7-Bromo-9,9-dihexylfluoren-2-yl-boronicacid - Introduction

7-Bromo-9, an organic compound containing a boronic acid group. The following is a description of the properties, uses, preparation and safety information of the compound:

Nature:
-Appearance: Colorless to light yellow solid
-Molecular formula: C24H34BBrO2
-Molecular weight: 440.33g/mol
-Melting point: about 55-58 degrees Celsius
-Solubility: Soluble in common organic solvents such as dimethyl sulfoxide and dichloromethane

Use:
7-Bromo-9 is an important intermediate in organic synthesis. It can be used in organometallic-catalyzed reactions, in particular palladium-catalyzed cross-coupling reactions such as Suzuki coupling reactions, Stille coupling reactions and Negishi coupling reactions. These reactions can construct complex organic molecules and have important application value.

Method:
The preparation of 7-Bromo-9 can be carried out by the following steps:
1. Substitution reaction of 9,9-dihexylfluorene with bromine at low temperature to obtain 7-bromo -9,9-dihexylfluorene.
2. React 7-bromo-9, 9-dihexylfluorene with tributylboronic acid under alkaline conditions to obtain 7-Bromo-9, Ti.

Safety Information:
Under proper use and handling, 7-Bromo-9 is relatively safe. However, it is still a chemical and the following safety measures should be followed:
-Avoid contact with skin and eyes, and avoid inhalation or ingestion.
-Wear appropriate personal protective equipment such as lab gloves, goggles and lab coats when used.
-Operate in a well-ventilated place to avoid dust or vapor.
-storage should be sealed in a dry, cool place, away from fire and oxidant.

Last Update：2024-04-10 22:29:15