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COPPER(II) TRIFLUOROMETHANESULFONATE

COPPER(II) TRIFLUOROMETHANESULFONATE structure

CAS No:
34946-82-2
Formula:
C2CuF6O6S2
Chemical Name:
COPPER(II) TRIFLUOROMETHANESULFONATE
Synonyms:
Copper (Ii) Trifluorome;Copper(II) trifluoromethanesulfonate,Copper(II) triflate, Cupric trifluoromethanesulfonate, Trifluoromethanesulfonic acid copper(II) salt;Copper(II) trifluoromethanesulfonate 98%;Trifluoromethanesulfonic acid copper(II);Copper(Ⅱ) trifluoroMethanesulfonate;Cupric trifluoroMethylsulfonate;Copper(II) trifluoroMethanesulfonate,98% Cu(CF3SO3)2;Copper(II) Triflate Trifluoromethanesulfonic Acid Copper(II) Salt
Categories:
Pharmaceutical Intermediates > Bulk Drug Intermediates

Description

white to slightly blue or light grey cryst. powder

Dissolve it in MeCN, add dry Et2O until cloudy and cool at -20o in a freezer. The light blue precipitate is collected and dried in a vacuum oven at 130o/20mm for 8hours. It has 737nm ( 22.4 max M1cm -1) in AcOH. [Salomon & Kochi J Am Chem Soc 95 330 1973]. It has also been dried in a vessel at 0.1Torr by heating with a Fischer burner [Andrist et al. J Org Chem 43 3422 1978]. It has been dried at 110-120o/5mm for 1hour before use and forms a *benzene complex which should be handled in a dry box because it is air sensitive [Kobayashi et al. Chem Pharm Bull Jpn 28 262 1980, Salomon & Kochi J Am Chem Soc 95 330 1973]. [Beilstein 3 IV 34.]

COPPER(II) TRIFLUOROMETHANESULFONATE Basic Attributes

Molecular Weight：

361.68

Exact Mass：

360.833646

BRN：

4028198

EC Number：

252-300-8

TSCA：

Color/Form：

White to slightly blue or light gray

HScode：

29049085

Characteristics

Melting Point：

≥300 °C

Water Solubility：

Soluble in water.

Critical Temperature & Pressure：

Inert atmosphere,Room Temperature

Safety Information

Packing level：

III

Hazard category：

wgk germany：

hazard class code：

C,Xi

safety instructions：

26-36/37/39-45-27

Hazard Statements：

RIDADR：

UN 3261 8/PG 2

GHS Classification：

|Danger|H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]|P260, P264, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P363, P405, and P501|Aggregated GHS information provided by 58 companies from 4 notifications to the ECHA C&L Inventory.

Toxicity

Human Exposure：

ACGIH: TWA 1 mg/m3NIOSH: IDLH 100 mg/m3; TWA 1 mg/m3

Drug Information

MeSH Entry Terms：

copper(II) trifluoromethanesulfonate

COPPER(II) TRIFLUOROMETHANESULFONATE Use and Manufacturing

Copper(II) trifluoromethanesulfonate is a mild lewis acid. It is used as catalyst which promotes dehydration of alcohols and diols to alkenes at ambient temperatures. It is widely used to generate carbenoid species from -diazo esters and ketones, via in situ reduction to the Cu(I) species. It is also promotes the reaction between diazo esters and imines to give aziridines. It catalyzes syn-selective aldol condensation of (Z)-silyl enol ethers with aldehydes, Friedel-Crafts alkylation, acylation reactions of aromatics and addition of trimethylsilyl cyanide to carbonyl compounds.

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Latest News on COPPER(II) TRIFLUOROMETHANESULFONATE

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Guide of COPPER(II) TRIFLUOROMETHANESULFONATE

Description
Basic Attributes
Characteristics
Safety Information
Toxicity
Drug Information
Use and Manufacturing
Recommended Suppliers
Latest News
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