“…The reaction mixture was stirred for 10 h at room temperature, then extracted with CH 2 Cl 2 (3×5 mL). The organic layer was dried over anhydrous Na 2 SO 4 3 ), 4.18-4.26 (m, 2H), 4.88-4.92 (m, 1H), 5.18-5.20 (m, 1H), 5.28-5.32 (m, 2H), 5.72 (d, J= 8.1 Hz, 1H, GluC 1 -H), 6.07 (dt, J=15.3, 6.3 Hz, 1H, 2'-CH=), 6.30 (d, J=15.3 Hz, 1H, 1'-CH=), 6.81 (d, J=8.1 Hz, 1H, ArH), 7.00 (d, J=8.1 Hz, 1H, ArH), 7.14 (s, 1H, ArH);13 C NMR (CDCl 3 , 75 MHz) δ: 18.4, 20.6 (overlapping signals), 56.1, 62.1, 68.5, 71.2, 71.9, 72.6, 100.9, 112.5, 117.3, 122.3, 124.3, 130.0, 131.3, 149.6, 150.1, 169.5, 169.9, 170.5, 170.6;IR (KBr) ν: 3464, 2923, 1756, 1376, 1226, 1032 3,56.2,62.0,68.4,71.2,71.9,72.6,100.8,112.8,115.8,120.4,124.4,132.7,137.3,146.0,148.9,169.5,169.9,170.5,170.6;IR (KBr) 55.5,61.9,68.3,71.1,71.8,72.7,100.8,110.7,113.0,118.5,124.7,127.4,129.6,147.8,155.7,169.2,169.4,170.3,170.6;…”