“…2, 132.1, 128.1, 113.5, 78.76, 55.16. 6, 136.6, 129.4, 120.2, 114.3, 113.7, 60.5, 55.4. 8c: 2,3-bis (3,4-dimethoxyphenyl)oxirane [25], 51% yield. 1 H NMR (400 MHz, CDCl 3 ) 6.67-6.63 (2H, d, J = 6.7 Hz), 6.59-6.57 (3H, d, J = 6.7 Hz), 6.57-6.56 (1H, d), 4.55 (2H, s), 3.76 (6H, s), 3.69 (6H, s).…”