Abstract

[32679-02-0] C12H18BF4N2Rh (MW 379.99) InChI = 1S/C8H12.2C2H3N.BF4.Rh/c1-2-4-6-8-7-5-3-1;2*1-2-3;2-1(3,4)5;/h1-2,7-8H,3-6H2;2*1H3;;/q;;;-1;+1/b2-1-,8-7-;;;; InChIKey = KSMAFOANQHYEJG-SUESZSCISA-N (catalyst for the formation of C–C bonds between various organic electrophiles and organometallic reagents. Also used as a catalyst for hydroformylation and hydrogenation reactions) Physical Data: mp 188–190 °C (dec).2 Solubility: soluble in most organic solvents; insoluble in H2O. Form Supplied in: yellow crystals, commercially available from Aldrich (cat. #640360). Analysis of Reagent Purity: melting point, IR.2 Preparative Methods: can be prepared by reaction of [RhCl(cod)]2 and AgBF4 in CH2Cl2 and CH3CN, followed by filtration, concentration of the reaction solution, and precipitation of the product using Et2O.3 A similar synthesis has also been performed using Ph3CBF4 instead of AgBF4.2 Purification: recrystallization can be done from acetonitrile with slow addition of diethyl ether. Handling, Storage, and Precautions: store in a cool, dry place in a tightly sealed container. Handle and store under an inert atmosphere of nitrogen or argon. May cause mild to severe irritation of the eyes, skin, nose, mucous membrane, or respiratory tract. Avoid ingestion, inhalation, or direct contact with skin or clothing. The toxicological effects of this reagent have not been thoroughly tested; unknown hazards may be present. Chemical-safety goggles and appropriate gloves are highly recommended. Use only in a chemical fume hood and near safety shower and eye bath. Do not breathe dust. Compound is incompatible with oxidizing agents and active metals and decomposes to carbon dioxide, carbon monoxide, boron oxides, hydrogen fluoride, and rhodium salts.

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