BIS(1,5-CYCLOOCTADIENE)NICKEL(0)

ChemicalBook > CAS DataBase List > BIS(1,5-CYCLOOCTADIENE)NICKEL(0)

BIS(1,5-CYCLOOCTADIENE)NICKEL(0)

Product Name: BIS(1,5-CYCLOOCTADIENE)NICKEL(0)
CAS No.: 1295-35-8
Chemical Name: BIS(1,5-CYCLOOCTADIENE)NICKEL(0)
Synonyms: NI(COD)2;Bis(1,5-cyclooctadiene)nickel;Bis(cyclooctadiene)nickel;Bis(1,5-cycL;NICKEL(COD)2;ooctadiene)nickeL;Nickel dicyclooctadiene;Dicyclooctadiene nickel;Bis(1,5-cyclooctadiene)nick;Di(1,5-cyclooctadiene)nickel
CBNumber: CB9303298
Molecular Formula: C16H24Ni
Formula Weight: 275.06
MOL File: 1295-35-8.mol

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BIS(1,5-CYCLOOCTADIENE)NICKEL(0) Property

Melting point:: 60 °C (dec.)(lit.)
storage temp.: -20°C
solubility: Benzene (Partially Dissolved), THF (Slightly)
form: Shiny Crystalline Powder
color: Gold
Water Solubility: Soluble in benzene, toluene, terahydrofuran, ether, dimethyl formamide, hexamethylphosphoramide, N-methylpyrrolidinone. Insoluble in water.
Sensitive: Air Sensitive
Exposure limits: NIOSH: IDLH 10 mg/m3; TWA 0.015 mg/m3
Stability:: Air Sensitive
CAS DataBase Reference: 1295-35-8(CAS DataBase Reference)
NIST Chemistry Reference: Nickel, bis[(1,2,5,6-«eta»)-1,5-cyclooctadiene]-(1295-35-8)
EPA Substance Registry System: Bis[(1,2,5,6-.eta.)-1,5-cyclooctadiene]nickel (1295-35-8)

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Safety

Hazard Codes: F,Xn,T
Risk Statements: 11-40-45
Safety Statements: 36/37-45-16-53
RIDADR: UN 1325 4.1/PG 2
WGK Germany: 3
RTECS: QR6135000
TSCA: No
HazardClass: 4.2
PackingGroup: I
HS Code: 29319090

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H228Flammable solid

H317May cause an allergic skin reaction

H351Suspected of causing cancer

H372Causes damage to organs through prolonged or repeated exposure

Precautionary statements

P201Obtain special instructions before use.

P202Do not handle until all safety precautions have been read and understood.

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P308+P313IF exposed or concerned: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 244988
Product name: Bis(1,5-cyclooctadiene)nickel(0)
Packaging: 2g
Price: $95.8
Updated: 2024/03/01

TCI Chemical

Product number: B3095
Product name: Bis(1,5-cyclooctadiene)nickel(0)
Purity: >97.0%(T)
Packaging: 5g
Price: $491
Updated: 2023/06/20

TCI Chemical

Product number: B5417
Product name: Bis(1,5-cyclooctadiene)nickel(0) (Wax encapsulated) (ca. 0.05mmol/capsule)
Packaging: 5each
Price: $261
Updated: 2024/03/01

Alfa Aesar

Product number: 039234
Product name: Bis(1,5-cyclooctadiene)nickel(0)
Packaging: 2g
Price: $108
Updated: 2024/03/01

Alfa Aesar

Product number: 039234
Product name: Bis(1,5-cyclooctadiene)nickel(0)
Packaging: 0.5g
Price: $31.6
Updated: 2021/12/16

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BIS(1,5-CYCLOOCTADIENE)NICKEL(0) Chemical Properties,Usage,Production

Chemical Properties

Light yellow to Brown powder to crystal.

Uses

Bis(1,5-cyclooctadiene)nickel(0) is used as a catalyst for the cycloaddition of 1,3-dienes and is used to catalyze the addition of allyl phenyl sulfide to alkynes leading to 1,4-dienes. Also, it is involved as a catalyst for asymmetric alpha-arylation and heteroarylation of ketones with chloroarenes, stereoselective borylative ketone-diene coupling, cycloaddition of benzamides with internal alkynes and methyl carboxylation of homopropargylic alcohols.

Preparation

Bis(1,5-cyclooctadiene)nickel(0) is prepared by reduction of anhydrous nickel(II) acetylacetonate in the presence of the diolefin:
Ni(acac)2 + 2 cod + 2 AlEt3 → Ni(cod)2 + 2 acacAlEt2 + C2H6 + C2H4
Ni(cod)2 is moderately soluble in several organic solvents. One or both 1,5-cyclooctadiene ligands are readily displaced by phosphines, phosphites, bipyridine, and isocyanides. If exposed to air, the solid oxidizes to nickel(II) oxide. As a result, this compound is generally handled in a glovebox.

Reactions

Catalyst for Grignard metathesis chain-growth polymerization of Poly(bithienylmethylene)s
Catalyst for neopentylglycolborylation of ortho-substituted aryl halides
Catalyst for Suzuki-Miyaura coupling reactions of heteroaryl ethers with arylboronic acids
Catalyst for carboxylation of naphthyl pivalates with CO2
Catalyst decarboxylative C?P cross-coupling of alkenyl acids with P(O)H compounds
Catalyst for direct amination of phenols via C–O Bond Activation using 2,4,6-Trichloro-1,3,5-triazine as reagent
Catalyst for conversion of aryl, heteroaryl and pharmaceutically relevant chlorides to the corresponding trifluoromethyl sulphides
Catalytic precursor for Suzuki–Miyaura cross-coupling reactions in water under very mild reaction conditions: (a) aryl–heteroaryl cross-couplings; (b) Hetero–heteroaryl cross-couplings

General Description

Yellow crystals or yellowish green solid.

Reactivity Profile

BIS(1,5-CYCLOOCTADIENE)NICKEL(0) is extremely air and moisture sensitive. BIS(1,5-CYCLOOCTADIENE)NICKEL(0) is sensitive to exposure to light. BIS(1,5-CYCLOOCTADIENE)NICKEL(0) is incompatible with oxidizing agents, acids and acid fumes.

Fire Hazard

Flash point data for BIS(1,5-CYCLOOCTADIENE)NICKEL(0) are not available. BIS(1,5-CYCLOOCTADIENE)NICKEL(0) is probably combustible.

Purification Methods

It is available in sealed ampoules under N2. All procedures should be carried out in a dry box and in an atmosphere of N2 or Argon in subdued light because the complex is light and oxygen sensitive, and flammable. The solid is washed with dry Et2O (under Ar) and separates from toluene as yellow crystals. Filter this under Ar gas pressure, place the crystals in a container and dry under a vacuum of 0.01mm to remove adhered toluene, flush with Ar and seal them under Ar or N2 in glass ampoules. [Semmelhack Org Reactions 19 115 and 178 1972, Wilke et al. Justus Liebigs Ann Chem 699 1 1966, Wender & Jenkins J Am Chem Soc 111 6432 1989, Fieser & Fieser Reagents for Org Synth 4 33, 16 29, 17 32.] SUSPECTED CARCINOGEN.

BIS(1,5-CYCLOOCTADIENE)NICKEL(0) Preparation Products And Raw materials

Raw materials

Preparation Products

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BIS(1,5-CYCLOOCTADIENE)NICKEL(0) Suppliers

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View Lastest Price from BIS(1,5-CYCLOOCTADIENE)NICKEL(0) manufacturers

Career Henan Chemical Co

Product: BIS(1,5-CYCLOOCTADIENE)NICKEL(0) 1295-35-8
Price: US $9.80/KG
Min. Order: 1g
Purity: ≥99%
Supply Ability: 100kg
Release date: 2020-01-08

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BIS(1,5-CYCLOOCTADIENE)NICKEL(0) ISO 9001：2015 REACH

Nickel, bis[(1,2,5,6-η)-1,5-cyclooctadiene]-

1295-35-8

C8H122Ni

15C8H122Ni

C16H24Ni

Catalysis and Inorganic Chemistry

organometallic complexes