1,3-Benzodioxole-5-carbonyl chloride → Benzo[1,3]dioxol-5-yl-[4-(2,4-diamino-quinazolin-5-yl)-piperazin-1-yl]-methanone

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Title compound was prepared via Resin Method using 5-piperazin-1-yl-quinazoline-2,4-diamine (50 mg; 0.2 mmol) and piperonyloyl chloride (75.7 mg; 0.41 mmol) to obtain 42.5 mg. (54% yield). 1H NMR (400 MHz, DMSO-d6) δ 8.79 (s, 1H), 7.39 (t, J=8.0 Hz, 1H), 7.15 (br s, 1H), 7.03 (s, 1H), 6.99 (m, 3H), 6.89 (dd, J=7.6, 0.8 Hz, 1H), 6.08 (s, 2H), 5.93 (br s, 2H), 3.27 (m, 4H), 3.06 (m, 2H), 2.76 (m, 2H). ESIMS+394.2 m/z

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