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766-97-2

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766-97-2 Usage

Chemical Properties

Clear pale yellow liquid

Uses

Different sources of media describe the Uses of 766-97-2 differently. You can refer to the following data:
1. 4-Ethynyltoluene was used in the synthesis of bis(bicyclic) products by the cycloaddition of alkynes to the AlN2C2.
2. Intermediates of Liquid Crystals

Check Digit Verification of cas no

The CAS Registry Mumber 766-97-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,6 and 6 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 766-97:
(5*7)+(4*6)+(3*6)+(2*9)+(1*7)=102
102 % 10 = 2
So 766-97-2 is a valid CAS Registry Number.
InChI:InChI=1/C9H8/c1-3-9-6-4-8(2)5-7-9/h1,4-7H,2H3

766-97-2 Well-known Company Product Price

  • Brand
  • (Code)Product description
  • CAS number
  • Packaging
  • Price
  • Detail
  • TCI America

  • (E0655)  4-Ethynyltoluene  >98.0%(GC)

  • 766-97-2

  • 5g

  • 590.00CNY

  • Detail
  • TCI America

  • (E0655)  4-Ethynyltoluene  >98.0%(GC)

  • 766-97-2

  • 25g

  • 1,960.00CNY

  • Detail
  • Alfa Aesar

  • (B24812)  p-Tolylacetylene, 98%   

  • 766-97-2

  • 5g

  • 455.0CNY

  • Detail
  • Alfa Aesar

  • (B24812)  p-Tolylacetylene, 98%   

  • 766-97-2

  • 25g

  • 2003.0CNY

  • Detail
  • Aldrich

  • (206504)  4-Ethynyltoluene  97%

  • 766-97-2

  • 206504-5G

  • 659.88CNY

  • Detail

766-97-2SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name 4-Ethynyltoluene

1.2 Other means of identification

Product number -
Other names 1-ethynyl-4-methylbenzene

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:766-97-2 SDS

766-97-2Relevant articles and documents

Iodonium Cation-Pool Electrolysis for the Three-Component Synthesis of 1,3-Oxazoles

Sattler, Lars E.,Hilt, Gerhard

supporting information, p. 605 - 608 (2020/12/07)

The synthesis of 1,3-oxazoles from symmetrical and unsymmetrical alkynes was realized by an iodonium cation-pool electrolysis of I2 in acetonitrile with a well-defined water content. Mechanistic investigations suggest that the alkyne reacts with the acetonitrile-stabilized I+ ions, followed by a Ritter-type reaction of the solvent to a nitrilium ion, which is then attacked by water. The ring closure to the 1,3-oxazoles released molecular iodine, which was visible by the naked eye. Also, some unsymmetrical internal alkynes were tested and a regioselective formation of a single isomer was determined by two-dimensional NMR experiments.

Synthesis of Phenanthrenes via Palladium-Catalyzed Three-Component Domino Reaction of Aryl Iodides, Internal Alkynes, and o-Bromobenzoic Acids

Deng, Guobo,Liang, Yun,Luo, Xiai,Yang, Xiumei,Yang, Yuan,Yang, Yuzhong,Zhou, Liwei

supporting information, p. 1223 - 1230 (2020/04/15)

A new palladium-catalyzed domino alkyne insertion/C-H activation/decarboxylation sequence has been developed, which provides an efficient approach for synthesizing a variety of functionalized phenanthrenes in moderate to good yields. The method shows broad substrate scope and good functional group tolerance by employing readily available materials, including aryl iodides, internal alkynes, and o-bromobenzoic acids, as three-component coupling partners.

Copper-Catalyzed Ring Opening of [1.1.1]Propellane with Alkynes: Synthesis of Exocyclic Allenic Cyclobutanes

Lasányi, Dániel,Tolnai, Gergely L.

supporting information, p. 10057 - 10062 (2019/12/24)

Despite the long history and interesting properties of propellanes, these compounds still have tremendous potential to be exploited in synthetic organic chemistry. Herein we disclose an experimentally simple procedure to achieve cyclobutane-containing allenes and alkynes through a copper-catalyzed ring opening of [1.1.1]propellane and subsequent reaction with ethynes.

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