Sodium 4-nitrobenzene-1-sulfinate → Tert-butyl 2-(4-nitrophenyl)sulfonyl-5-methyl-5,6,7,8,9,10-hexahydro-7,10-epiminocyclohepta[b]indole-carboxylate

Participants

Reaction Steps

Intermediate 12 was coupled with the product of Example 27, step B following the procedure of Example 27, step C. The crude material was purified by flash column chromatography (SiO2, 1:1 hexane/ethyl acetate) to give tert-butyl 2-(4-nitrophenyl)sulfonyl-5-methyl-5,6,7,8,9,10-hexahydro-7,10-epiminocyclohepta[b]indole-carboxylate (150 mg, 54%) as a white solid: 1H NMR (CDCl3, 300 MHz) δ 8.27-8.31 (m, 2H), 8.19 (s, 1H), 8.09-8.11 (m, 2H), 7.68 (d, J=8.4 Hz, 1H), 7.33 (d, J=8.0 Hz, 1H), 5.26 (br s, 1H), 4.70 (br s, 1H), 3.62 (s, 3H), 3.40 (br s, 1H), 2.50 (d, J=16.2 Hz, 1H), 2.17-2.31 (m, 2H), 1.89-1.97 (m, 1H), 1.54-1.65 (m, 1H), 1.38 (br s, 9H).

Provenance & Evidence