Methanol → 4-[2-(2-Methoxy-ethoxy)-ethoxy]-2,3-dihydro-1H-isoindole

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A solution of 2-(4-methoxy-benzyl)-4-[2-(2-methoxy-ethoxy)-ethoxy]-2,3-dihydro-1H-isoindole (45 mg, 0.13 mmol) in 1,2-dichloroethane (2 mL) was treated with -chloroethyl chloroformate (0.1 mL, 0.93 mmol). After 17 hours, methanol (5 mL) was added and the mixture stirred for 3 hours. The solvents were removed in vacuo to afford the title compound as a greenish-black solid, which was used without further purification. 1H NMR (methanol-d4) 7.36 (1H, t), 6.98 (2H, d), 4.60 (2H, s), 4.57 (2H, s), 4.23-4.21 (2H, m), 3.85-3.83 (2H, m), 3.69-3.67 (2H, m), 3.57-3.54 (2H, m), 3.36 (3H, s). MS: [M+H]+ 238.

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