Trifluoroacetic acid → HCID 178504063, compound

Participants

Reaction Steps

Compound 35 (401 mg, 1.0 mmol) was treated with TFA (1.0 mL) and was stirred for 30 min at room temperature, evaporated to dryness and dried under reduced pressure for 2 h, triturated with anhydrous Et2O to give 400 mg of 13 as a solid. This crude product was carried on without further purification. 1H NMR (300 MHz, CD3OD): δ2.64 (3H, m); 5.21 (2H, m) 7.31 (5H, m) ppm. IR (NaCl, CH2Cl2): 3252, 2959, 1790, 1682, 1203, 1137, 1025, 778, 722 cm-1.

Provenance & Evidence