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Benzoic trifluoroacetic anhydride, also known as benzoic anhydride or BTFA, is a chemical compound with the molecular formula C15H9F3O4. It is a colorless to pale yellow crystalline solid that is widely used as a reagent in organic synthesis, particularly for the protection of alcohols and amines. BTFA is formed by the reaction of benzoic acid with trifluoroacetic anhydride, resulting in a stable and highly reactive anhydride. It is soluble in organic solvents and has a melting point of around 70-72°C. Due to its reactivity, BTFA is commonly used in the formation of esters and amides, as well as in the protection of functional groups in complex organic molecules. Its applications span across various fields, including pharmaceuticals, agrochemicals, and materials science.

347-89-7

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347-89-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 347-89-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 3,4 and 7 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 347-89:
(5*3)+(4*4)+(3*7)+(2*8)+(1*9)=77
77 % 10 = 7
So 347-89-7 is a valid CAS Registry Number.

347-89-7SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name benzoic trifluoroacetic anhydride

1.2 Other means of identification

Product number -
Other names benzoic acid trifluoroacetic acid-anhydride

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:347-89-7 SDS

347-89-7Relevant academic research and scientific papers

Synthesis, characterization and derivatization of hydroxyl-functionalized iron(II) bis(NHC) complexes

Lindhorst, Anja C.,Kaspar, Manuel,Altmann, Philipp J.,P?thig, Alexander,Kühn, Fritz E.

, p. 1857 - 1867 (2018)

The syntheses of a novel hydroxyl-functionalized tetradentate NHC/pyridine hybrid ligand and the corresponding Ag(i) and Fe(ii) complexes are presented. Spectroscopic and X-ray diffraction techniques are used for structural investigations and cyclic voltammetry measurements reveal interesting electronic properties. Transmetalation of the trinuclear Ag(i) complex (C1) yields a mononuclear and a dinuclear iron(ii) bis(NHC) complex (C2 and C3), which can be separated by stepwise precipitation. The former is isostructural to iron(ii) bis(NHC) complex A, which is a versatile oxidation catalyst. Furthermore, suitable conditions for esterification reactions of the ligand precursor and iron(ii) bis(NHC) complex (C2) have been established, demonstrating the utility of the hydroxyl functionality for immobilization and derivatization purposes.

Synthesis of ferrocenyl thioketones and their reactions with diphenyldiazomethane

Mlostoń, Grzegorz,Hamera, Róza,Heimgartner, Heinz

, p. 2125 - 2133 (2015/12/23)

A series of ferrocenyl ketones were obtained via the Friedel-Crafts acylation with mixed anhydrides using ferrocene as a nucleophilic agent or ferrocene carboxylic acid as a precursor of the electrophilic species. The ketones obtained thereby undergo smooth thionation (tetrahydrofuran, 65°C) with Lawesson's reagent. The ferrocenyl thioketones react with diphenyldiazomethane via N2 elimination to afford the hitherto unknown ferrocenyl-substituted thiiranes.

Acylation of Ferrocene and a 1,1′-Diphosphaferrocene with Acyl Trifluoroacetates in the Presence of Trifluoromethanesulfonic (Triflic) Acid or Some Metal Triflates

Plazuk, Damian,Zakrzewski, Janusz

, p. 99 - 107 (2007/10/03)

Ferrocene and 3,3′,4,4′-tetramethyl-1,1′ -diphosphaferrocene undergo efficient acylation by acyl trifluoroacetates (prepared in situ from carboxylic acids and trifluoroacetic anhydride) in the presence of an excess of trifluoromethanesulfonic acid or cata

Catalysis by Palladium Salts. Part 2. Palladium-catalysed Carboxylation with Carbon Monoxide of Aromatic Compounds Working under Mild Conditions

Ugo, Renato,Chiesa, Anna

, p. 2625 - 2630 (2007/10/02)

The carboxylation with CO of aromatic C-H bonds, catalysed by palladium acetate, occurs with good yields and under mild conditions (1 atm of CO and 20-50 deg C), with trifluoroacetic acid as solvent and sodium acetate as co-catalyst.The reaction, which is

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