MS (EI) m/z 176 (M+2N2). Pent-4-ynoic acid (2-aminophenyl)amide
MS (EI) m/z 176 (M+2N2). Pent-4-ynoic acid (2-aminophenyl)amide (Ak1). A mixture of 4-pentynoic acid (18, 437 mg, four.45 mmol), 1,2-phenylenediamine (21, 407 mg, three.76 mmol), EDCI (874 mg, 4.56 mmol),…