58743-81-0

Basic information

• Product Name: 4-BROMO-4'-PROPYLBIPHENYL
• Synonyms: 1-(4-broMophenyl)-4-propylbenzene;4-BroMo-4'-propyl-1,1'-biphenyl;1,1'-Biphenyl,4-bromo-4'-propyl-;Bromopropylbiphenyl;Iodopropylbiphenyl;4-BROMO-4'-PROPYLBIPHENYL;4-BROMO-4'-N-PROPYLBIPHENYL;4-bromo-4í-propylbiphenyl
• CAS NO: 58743-81-0
• Molecular Formula: C₁₅H₁₅Br
• Molecular Weight: 275.18
• Product Categories: Biphenyls (Building Blocks for Liquid Crystals);Building Blocks for Liquid Crystals;Functional Materials;Aromatics;Intermediates
• Mol File: 58743-81-0.mol

Chemical Properties

• Melting Point: 107-109°C
• Boiling Point: 349.5 °C at 760 mmHg
• Flash Point: 161.8oC
• Appearance: /
• Density: 1.249 g/cm³
• Storage Temp.: Sealed in dry,Room Temperature
• Solubility: almost transparency in Toluene
• CAS DataBase Reference: 4-BROMO-4'-PROPYLBIPHENYL(CAS DataBase Reference)
• NIST Chemistry Reference: 4-BROMO-4'-PROPYLBIPHENYL(58743-81-0)
• EPA Substance Registry System: 4-BROMO-4'-PROPYLBIPHENYL(58743-81-0)

Safety Data

• Statements: 36/37/38
• Safety Statements: 26-36/37/39
• Hazardous Substances Data: 58743-81-0(Hazardous Substances Data)

Usage

Uses

Used in Liquid Crystal Material Industry:
4-BROMO-4'-PROPYLBIPHENYL is used as a key intermediate in the synthesis of cyanobiphenyls for their application in liquid crystal materials. These liquid crystal materials are vital in the production of various electronic devices, such as displays and optical devices, due to their unique properties that allow for the manipulation of light and the control of electrical currents.

Upstream product

• 58743-84-3 1-(4'-bromo[1,1'-biphenyl]-4-yl)propan-1-one 
• 106-37-6 1.4-dibromobenzene 
• 87942-08-3 bromo(4-propylphenyl)magnesium 
• 92-86-4 4-(4-bromophenyl)bromobenzene 
• 107-08-4 1-iodo-propane 
• 92-66-0 4-bromo-1,1'-biphenyl 
• 92-52-4 biphenyl 
• 37940-57-1 1-biphenyl-4-yl-propan-1-one 
• 87292-26-0 1-([1,1'-biphenyl]-4-yl)propan-1-ol 
• 10289-45-9 4-propyl-1,1'-biphenyl 

Downstream Products

• 58743-76-3 4-cyano-4'-n-propylbiphenyl 
• 88038-94-2 4-(4-n-propylphenyl)benzoic acid 
• 1313877-82-5 5,7-bis(4'-propylbiphenyl-4-yl)-2,3-dihydrothieno[3,4-b][1,4]dioxine 
• 1352615-39-4 C₆₂H₇₂N₂ 
• 1158651-28-5 C₇₈H₈₄N₂ 
• 153035-56-4 [4'-propyl-1,1'-biphenyl-4-yl]boronic acid 
• 1402734-21-7 C₂₉H₃₃FO 
• 360768-57-6 4-ethenyl-4'-propyl-1,1'-biphenyl 

Relevant articles and documents

Synthesis method of 4-alkyl biphenylacetylene

The invention discloses a synthesis method of 4-alkyl biphenyl acetylene. The synthesis method comprises the following steps: carrying out catalytic hydrogenation reaction on 4-alkyl diketone to obtain 4-alkyl biphenyl; then reacting the 4-alkyl biphenyl with halogen to obtain 4-halogen-4 '-alkyl biphenyl; and allowing 4-halo-4 '-alkyl biphenyl and an ethynylation reagent to be subjected to a coupling reaction to obtain a compound shown in a formula (IV) under the action of alkali. The method creatively adopts a palladium catalyst and lewis acid combined catalytic system to carry out deoxidation reaction on 4-alkyl diketone, and has good selectivity and high yield; in addition, hydrogen is used as a hydrogen source, a byproduct is only water, and the method is environment-friendly.

A 4 - bromo -4 ' - propyl biphenyl synthesis process (by machine translation)

The invention discloses a 4 - bromo - 4' - propyl biphenyl synthesis process, relates to the technical field of the synthesis, the existing technology solves the harsh reaction conditions, the total yield is low. The invention avoids the need for reaction reducing Huang ultra-high temperature reaction conditions or halogen lithium exchange reaction needs of the ultra-low temperature reaction conditions, without the use of carcinogenic compounds [...], mild reaction conditions, synthetic process conditions can be controlled more easily, is easy to operate, simple in after treatment; synthesis process of the present invention chemical reaction the atom economy is high, compared with the prior process in the 20 - 30% of the total yield, the process overall yield 57%, significantly improves the product yield; the invention the use of a readily available and inexpensive industrial chemicals biphenyl as starting material, the cost is reduced. (by machine translation)

Synthesis and mesomorphic properties of laterally fluorinated alkyl 4′′-alkylterphenyl-4-yl carbonate liquid crystals

Fifteen series of homologues of a variety of mono-, di- and trifluorosubstituted alkyl 4′′-alkylterphenyl-4-yl carbonates have been synthesized and their mesomorphic properties have been determined. From among 95 prepared compounds, 40 pure nematogens have been found, as well as 55 mesogens with orthogonal and tilted smectic phases in broad temperature ranges. The type and combination of the LC phase strongly depend on the position and number of the fluorine atoms. Physical properties and correlations between the molecular core fluorosubstitution, the length of the terminal chains and the type and sequence of the liquid crystalline phases, have been determined. The compounds are useful for the formulation of nematic mixtures as well as ferroelectric ones.

Synthesis and preliminary testing of molecular wires and devices

Presented here are several convergent synthetic routes to conjugated oligo(phenylene ethynylene)s. Some of these oligomers are free of functional groups, while others possess donor groups, acceptor groups, porphyrin interiors, and other heterocyclic interiors for various potential transmission and digital device applications. The syntheses of oligo(phenylene ethynylene)s with a variety of end groups for attachment to numerous metal probes and surfaces are presented. Some of the functionalized molecular systems showed linear, wire-like, current versus voltage (I(V)) responses, while others exhibited nonlinear I(V) curves for negative differential resistance (NDR) and molecular random access memory effects. Finally, the syntheses of functionalized oligomers are described that can form self-assembled monolayers on metallic electrodes that reduce the Schottky barriers. Information from the Schottky barrier studies can provide useful insight into molecular alligator clip optimizations for molecuar electronics.

Synthesis of Mesogenic Compounds, Catalyzed by Metal Complexes. I. Monoalkylation and Monoarylation of 1,4-Dibromobenzene in the Synthesis of 4-n-Alkyl- and 4-n-Alkoxy-4'-Cyanobiphenyls Catalyzed by Palladium

New methods of synthesis of mesomorphic 4-n-alkyl- and 4-n-alkoxy-4'-cyanobiphenyls are developed, based on the palladium catalyzed highly selective reactions of 1,4-dibromobenzene with alkyl and aryl Grignard reagents.