反应详情

Compound 106B was prepared in a similar manner to the synthesis of compound 31F by substituting compound 31E with compound 106A: 1H NMR (DMSO-d6): δ 8.88 (s, 1H), 6.72-6.75 (m, 2H), 6.64-6.67 (m, 2H), 3.94 (d, J=6.1 Hz, 2H), 2.72 (d, J=5.95 Hz, 2H), 2.48-2.51 (m, 4H), 1.65-1.68 (m, 4H) ESI (+)/MS: 208 (M+H)+.