N-Methylanilinium Trifluoroacetate

[29885-95-8] C9H10F3NO2 (MW 221.20) InChI = 1S/C7H9N.C2HF3O2/c1-8-7-5-3-2-4-6-7;3-2(4,5)1(6)7/h2-6,8H,1H3;(H,6,7) InChIKey = TXXJGCVOHDSYBC-UHFFFAOYSA-N (α-methylenating agent for ketones;1 activates internucleotide coupling2) Alternate Name: N-MATA. Physical Data: mp 66.5 °C. Solubility: insol pentane; sol THF; very sol MeCN. Form Supplied in: crystalline white salt. Analysis of Reagent Purity: elemental analysis. Preparative Method: prepared from commercial grade Trifluoroacetic Acid and N-methylaniline (1∶1) in dry Et2O under a nitrogen atmosphere with cooling in an ice-bath.1c Purification: by sublimation and drying in a desiccator under vacuum at rt. Handling, Storage, and Precautions: nonhygroscopic; not deliquescent; can be weighed in the air and stored for months under an inert atmosphere.