Benzylidene-bis(tricyclohexylphosphine)dichlororuthenium

ChemicalBook > CAS DataBase List > Benzylidene-bis(tricyclohexylphosphine)dichlororuthenium

Benzylidene-bis(tricyclohexylphosphine)dichlororuthenium

Synthesis

Product Name: Benzylidene-bis(tricyclohexylphosphine)dichlororuthenium
CAS No.: 172222-30-9
Chemical Name: Benzylidene-bis(tricyclohexylphosphine)dichlororuthenium
Synonyms: Grubbs;GRUBBS CATALYST;Grubbs 1st;Grubbs Gen.1;Bis(tricyclohexylphosphine)benzylidine ruthenium (IV) dichloride;Grubbs I;ororuthenium;phosphine)dichL;GRUBB'S CATALYST;idene-bis(tricycL
CBNumber: CB0296067
Molecular Formula: C43H73Cl2P2Ru
Formula Weight: 823.96
MOL File: 172222-30-9.mol

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Benzylidene-bis(tricyclohexylphosphine)dichlororuthenium Property

Melting point:: 153 °C (dec.)(lit.)
storage temp.: 2-8°C
solubility: Chloroform (Slightly), Dichloromethane (Sparingly)
form: solid
color: Purple
Merck: 13,4565
InChI: InChI=1S/2C18H33P.C7H5.2ClH.Ru/c2*1-4-10-16(11-5-1)19(17-12-6-2-7-13-17)18-14-8-3-9-15-18;1-7-5-3-2-4-6-7;;;/h2*16-18H,1-15H2;2-6H;2*1H;/q;;-2;;;+2
InChIKey: PNPBGYBHLCEVMK-UHFFFAOYSA-L
SMILES: [Ru+4]([Cl-])([Cl-])(=[C-2]C1C=CC=CC=1)(P(C1CCCCC1)(C1CCCCC1)C1CCCCC1)P(C1CCCCC1)(C1CCCCC1)C1CCCCC1
CAS DataBase Reference: 172222-30-9

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Safety

Hazard Codes: Xi,F
Risk Statements: 36/37/38-11
Safety Statements: 26-36
RIDADR: 1325
WGK Germany: 3
F: 10-23
HazardClass: 4.1
PackingGroup: Ⅱ
HS Code: 28439000

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word: Warning
Hazard statements: H228Flammable solid
Precautionary statements: P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 579726
Product name: Grubbs Catalyst, 1st Generation
Purity: 97%
Packaging: 1g
Price: $133
Updated: 2024/03/01

Sigma-Aldrich

Product number: 579726
Product name: Grubbs Catalyst, 1st Generation
Purity: 97%
Packaging: 5g
Price: $434
Updated: 2024/03/01

Strem Chemicals

Product number: 44-0944
Product name: Benzylidene-bis(tricyclohexylphosphine)dichlororuthenium, 97% [Grubbs Catalyst Gen. 1]
Packaging: 1g
Price: $67
Updated: 2024/03/01

Strem Chemicals

Product number: 44-0944
Product name: Benzylidene-bis(tricyclohexylphosphine)dichlororuthenium, 97% [Grubbs Catalyst Gen. 1]
Packaging: 25g
Price: $1059
Updated: 2024/03/01

Sigma-Aldrich

Product number: 579726
Product name: Grubbs Catalyst, 1st Generation
Purity: 97%
Packaging: 50g
Price: $4200
Updated: 2024/03/01

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Benzylidene-bis(tricyclohexylphosphine)dichlororuthenium Chemical Properties,Usage,Production

Synthesis

Add 4.0 grams of dichlorotris(triphenylphosphine) ruthenium to the 250mL branch-necked bottle, feed nitrogen to replace the air in the branch-necked bottle, and inject 40mL into the branch-necked bottle through three times of liquid nitrogen freezing. Re-thaw the treated dichloromethane; place the side-necked flask in a cold bath at -78°C, and add a pentane solution of phenyldiazomethane with a mass concentration of -50°C of 98.5 mg/mL under stirring conditions 10 mL was mixed, and the phenyldiazomethane in the pentane solution of phenyldiazomethane was the phenyldiazomethane prepared above; the obtained mixture was stirred at -70 °C for 10 min, and then added 40 mL, -50 °C The mass concentration of 0.064 g/mL tricyclohexylphosphine in dichloromethane solution was carried out at 25 °C for 30 min. After the reaction, the obtained reaction solution was filtered to remove insolubles, the filtered reaction solution was concentrated to 10 mL and then filtered again, and 100 mL of methanol that had undergone three liquid nitrogen freeze-thaw treatments was added to the obtained filtered product for precipitation. , the obtained precipitate was first washed three times with methanol and then twice with acetone, and the washed precipitate was vacuum-dried for 3 hours to obtain 2.1 g of Benzylidene-bis(tricyclohexylphosphine)dichlororuthenium.

Description

Phenylmethylenebis(tricyclohexylphosphorus)ruthenium dichloride is a ruthenium catalyst. Ruthenium catalysts are highly resistant to polar monomers, enabling the polymerization of many polar monomers to prepare cyclic olefin copolymers. Cyclic olefin copolymers can be widely used in the manufacture of various optical, information, electrical, and medical materials.

Chemical Properties

bright purple powder

Uses

suzuki reaction

Uses

First metathesis catalyst to be widely used in organic synthesis. Useful for acyclic diene metathesis polymerization (ADMET), Ring-Opening Metathesis Polymerization (ROMP) of strained cyclic olefins, ring opening metathesis (ROM), olefin cross metathesis (CM) and ring closing metathesis (RCM) of terminal olefins under a variety of reactions conditions.

Uses

Catalysis of olefin metathesis including ring-closing of dienes, cross metathesis and ring-opening methathesis polymerizations (ROMP).

Application

Phenylmethylenebis(tricyclohexylphosphorus)ruthenium dichloride can be widely used in organic synthesis, the first metathesis catalyst; under a wide range of reaction conditions, it is effective for the ring-opening metathesis of strained cyclic olefins of terminal olefins Polymerization, cross-metathesis and ring-closure metathesis units of olefins and vinyl alcohol decomposition of internal olefins.

Purification Methods

Wash it repeatedly with Me2CO and MeOH and dry it in a vacuum. Alternatively dissolve it in CH2Cl2, concentrate it to half its volume, filter, add MeOH to precipitate it as purple microcrystals. Filter these off, wash several times with Me2CO and MeOH and dry them in a vacuum for several hours. [Scwab et al. J Am Chem Soc 118 100 1996, Miller et al. J Am Chem Soc 118 9606 1996, Furstner & Langermann J Am Chem Soc 119 9130 1997.] § A polymer supported version is available [Schwab et al. Angew Chem (Intl Edn) 34 2039 1995.].

Benzylidene-bis(tricyclohexylphosphine)dichlororuthenium Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from Benzylidene-bis(tricyclohexylphosphine)dichlororuthenium manufacturers

Shanghai UCHEM Inc.

Product: Benzylidenebis(tricyclohexylphosphine)dichloro ruthenium 172222-30-9
Price: US $116.00-407.00/g
Min. Order: 5g
Purity: 0.98
Supply Ability: 25kg
Release date: 2023-12-13

Weifang Wehibest Supply Chain Co.,Ltd

Product: First-generation Grubbs catalyst 172222-30-9
Price: US $0.00-0.00/g
Min. Order: 1g
Purity: 99.99%
Supply Ability: 100kg
Release date: 2023-08-11

henan kanbei chemical co.,ltd

Product: Benzylidene-bis(tricyclohexylphosphine)dichlororuthenium 172222-30-9
Price: US $0.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 1000kg
Release date: 2022-09-23

172222-30-9, Benzylidene-bis(tricyclohexylphosphine)dichlororutheniumRelated Search:

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ruthenium phosphine

1st generation catalyst

idene-bis(tricycL

ororuthenium

phosphine)dichL

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Benzylidene-bis(tricyclohexylphosphine)dichlororuthenium ISO 9001：2015 REACH

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Grubbs' 1st generation catalyst

Grubbs I

172222-30-9

C43H72Cl2P2Ru