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Merck
CN

196215

Bis(cyclopentadienyl)zirconium(IV) dichloride

greener alternative

≥98%, solid

Synonym(s):

Dichlorodicyclopentadienylzirconium, Dichlorozirconocene, Zirconium dicyclopentadiene dichloride, Di(cyclopentadienyl)zirconium(IV) dichloride, Zirconocene dichloride

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About This Item

Empirical Formula (Hill Notation):
C10H10Cl2Zr
CAS Number:
1291-32-3
Molecular Weight:
292.32
NACRES:
NA.22
PubChem Substance ID:
24851743
UNSPSC Code:
12161600
EC Number:
215-066-8
MDL number:
MFCD00003726

Key Documents

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Product Name

Bis(cyclopentadienyl)zirconium(IV) dichloride, ≥98%

InChI key

QRUYYSPCOGSZGQ-UHFFFAOYSA-L

InChI

1S/2C5H5.2ClH.Zr/c2*1-2-4-5-3-1;;;/h2*1-5H;2*1H;/q;;;;+2/p-2

SMILES string

Cl[Zr]Cl.[CH]1[CH][CH][CH][CH]1.[CH]2[CH][CH][CH][CH]2

assay

≥98%

form

solid

reaction suitability

core: zirconium
reaction type: Polymerization Reactions
reagent type: catalyst
reaction type: Olefin Metathesis

greener alternative product characteristics

Catalysis
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

parameter

moisture sensitive

mp

242-245 °C (lit.)

greener alternative category

, Aligned

storage temp.

2-8°C

Quality Level

100

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Application

Used to promote greener amidations of carboxylic acids and amines in catalytic amounts. This technology avoids the requirement of preactivation of the carboxylic acid or use of coupling reagents.

Direct amide formation from unactivated carboxylic acids and amines
Useful in the synthesis of a wide range of early-transition-metal complexes and organometallic compounds.

General description

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for catalytic efficiency. Find details here.

Zirconocene dichloride serves as a catalyst, enabling efficient synthesis of pyrrole with high yields and simplifies the purification process economically.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
0000424493
0000424493
MKCW9122
MKCV6442
MKCW5105

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Yuushou Nakayama et al.
Molecules (Basel, Switzerland), 10(6), 620-633 (2007-11-17)
This review article describes developments in chiral metallocenes as polymerization catalysts focusing on C2 symmetric ansa-zirconocene complexes. Selective synthesis of rac-isomers of ansa-zirconocenes are surveyed. Isospecific polymerizations of propylene catalyzed by chiral zirconocenes are summarized. Advanced series of polymerizations by
Benjamin N Atkinson et al.
Chemical communications (Cambridge, England), 48(95), 11626-11628 (2012-10-26)
Zirconocene dichloride (Cp(2)ZrCl(2)) has been shown to be an effective catalyst for the transamidation of primary amides with amines in cyclohexane at 80 °C in 5-24 hours. For favourable substrates, the reaction can be performed at temperatures as low as
Zirconocene dichloride catalysed one-pot synthesis of pyrroles through nitroalkene-enamine assembly
Goyal S, et al.
Royal Society of Chemistry Advances, 5, 3187-3195 (2015)
Aldrichimica Acta, 17, 28-28 (1984)
Shaoguang Zhang et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 15(46), 12608-12617 (2009-11-03)
A zirconocene-mediated one-pot multicomponent synthesis process leading to the synthesis of pyrrolo[3,2-c]pyridine (5-azaindoles) and pyrrole derivatives has been developed starting from a silicon-tethered diyne and three or two different or identical organonitriles. Pyrrolo[3,2-c]pyridine and pyrrole derivatives with diverse structures and
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