CAS 1291-32-3 Bis(cyclopentadienyl)zirconium dichloride

NAVIGATION

Bis(cyclopentadienyl)zirconium dichloride

PRICE INQUIRY

Catalog Number

ACM1291323-3

CAS Number

1291-32-3

Product Name

Bis(cyclopentadienyl)zirconium dichloride

Category

Polymers

Synonyms

Bis(3-cyclopentadienyl)dichlorozirconium

Molecular Weight

292.32

Molecular Formula

C10H10Cl2Zr

Canonical SMILES

C1C=CC=[C-]1.[CH-]1C=CC=C1.Cl[Zr+2]Cl

InChI

InChI=1S/2C5H5.2ClH.Zr/c2*1-2-4-5-3-1;/h1-3H,4H2;1-5H;2*1H;/q2*-1;+4/p-2

InChI Key

UAIZNGJUYAVXSY-UHFFFAOYSA-L

Melting Point

242-245 °C

Purity

98%

Appearance

White solid

Application

Bis(cyclopentadienyl)zirconium dichloride serves a versatile and significant role as a catalyst across various chemical reactions and applications. Primarily recognized for its role in Kaminsky-type catalytic systems, it is essential for the high-activity polymerization and isotropic polymerization of olefins, as well as for catalytic olefin zwitterionization. Additionally, this compound is a key component in Negishi's reagent, facilitating the cyclization of intramolecular dienes and promoting the formation of rings in intermolecular alkynes and olefins. Beyond these, bis(cyclopentadienyl)zirconium dichloride acts as a rubber accelerator, a crucial component in catalyst systems for vinyl monomer polymerization, and a curing agent for water-repellent silicone materials. It also plays a role in zirconium plating, promoting direct amidation of carboxylic acids and amines, and enabling the synthesis of various early-transition-metal complexes and organometallic compounds. This compound is instrumental as a precursor in the cyclization of dienes to produce cyclopentane and cyclohexane derivatives, and as a catalyst in the alkylation of olefins. Furthermore, it aids in the conversion of enynes to bicyclic cyclopentenones, the coupling of alkoxymethyl-substituted styrene derivatives, and the formation of carbocycles from cyclic enol ethers. Its utility extends to the preparation of vinyl allenes, the alkynylation of epoxides, and the carboalumination-Claisen rearrangement-carbonyl addition cascade reaction, highlighting its broad application across diverse chemical domains.

Complexity

140

Covalently-Bonded Unit Count

Defined Atom Stereocenter Count

Exact Mass

289.920654

Heavy Atom Count

Hydrogen Bond Acceptor Count

Hydrogen Bond Donor Count

Monoisotopic Mass

289.920654

Rotatable Bond Count