“…4 Hz, H-3″,5″), 6.81 (1H, dd, J = 8.2 Hz, J = 1.8 Hz, H-6′), 4.93 (2H, s, OCH 2 ), 3.77 (3H, s, OCH 3 ), 3.76 (3H, s, OCH 3 ); 13 5-(2,3-Dihydro-1,4-benzodioxin-6-yl)-4-(3,4,5-trimethoxyphenyl)-1H-pyrazole hydrochloride (1l) (Scheme 3, Path B). White solid; 23 mg (16%); mp 108−110 °C; 1 H NMR (DMSO-d 6 ) δ 7.87 (1H, s, H-3), 6.97 (1H, d, J = 2.0 Hz, H-8″), 6.94 (0.5H, d, J = 2.0 Hz, H-7″), 6.92 (0.5H, d, J = 2.0 Hz, H-7″), 6.89 (0.5H, s, H-5″), 6.87 (0.5H, s, H-5″), 6.57 (2H, s, H-2′,6′), 4.24 (4H, s, H-2″,3″), 3.66 (3H, s, OCH 3 -4′), 3.56 (6H, s, OCH 3 -3′,5′); EIMS m/z 369 [M + 1] + (10), 368 (65), 353 (52), 239 (20), 211 (17), 195 (23), 183 (23), 168 (24), 163 (31), 155 (41), 140 (31), 139 (33), 128 (21), 127 (27), 126 (23), 107 (20), 89 (21), 79 (34), 77 (48) (24), 354 [M] + (100), 339 (8), 309 (6), 281 (11), 161 (15), 155 (12), 140 (7), 77 (6) (23), 340 [M] + (100), 326 (10), 325 (46), 265 (11), 250 (16), 211 (11), 168 (11), 155 (15), 154 (21), 140 (11), 139 (13), 119 (10), 77 (10) (22), 373 (22)…”