Trifluoroacetic acid → N-[6-Chloro-2,4,8,22-tetraazatetracyclo[14.3.1.1(3,7).1(9,13)]docosa-1(20), 3(22),4,6,9(21),10,12,16,18-nonaen-12-yl]piperidine-4-carboxamide bis(trifluoroacetate)

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Reaction Steps

tert-Butyl 4-({[6-chloro-2,4,8,22-tetraazatetracyclo[14.3.1.1(3,7).1(9,13)]docosa-1(20),3(22),4,6,9(21),10,12,16,18-nonaen-12-yl]amino}carbonyl)piperidine-1-carboxylate (35 mg, 0.064 mmol) was treated with trifluoroacetic acid (1.0 mL) and methylene chloride (1.0 mL) for 10 minutes and evaporated to give the desired compound (35 mg, 100% yield). 1H NMR (300 MHz, DMSO-d6): δ 9.42 (s, 2H), 9.25 (s, 1H), 8.60 (m, 1H), 8.28 (m, 1H), 8.13 (s, 1H), 8.00 (s, 1H), 7.75 (s, 1H), 7.20 (d, 1H), 7.05 (m, 2H), 6.91 (d, 1H), 6.77 (d, 1H), 3.38 (m, 2H), 2.80 (m, 7H), 2.01 (m, 2H), 1.82 (m, 2H). LCMS for C24H26ClN6O (M+H)+: m/z=449.2.

Provenance & Evidence