Trifluoroacetic acid → HCID 21702192, 화합물

참여 물질

반응 단계

Benzyl 4-tert-butoxycarbonyl-1-(3,4dichlorobenzyl)cyclopenta[b]pyrrole-2-carboxylate (0.7 g) was dissolved in methylene chloride (10 mL) and TFA (3 mL) was added. Stirring was continued for 24 hours and the solvents were removed in vacuo to afford a pale oil. The oil slowly solidified on standing to afford the title product (0.61 g, 98%), NMR d(DMSO) 2.40 (4H, m), 3.70 (1H, t), 5.10 (2H, s), 5.40 (2H, AB d), 6.70 (1H, s), 6.90 (1H, d), 7.30 (6H, m), 7.50 (1H, d); M/z (−) 444, 442 (M-H+).

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