“…The residue was crystallized from toluene to give colorless crystals, mp 96-99 °(one experiment), 86.5-88.5 °(another experiment); both sets of crystals had identical spectra: IR (mull) cm -1 3100-3600 (OH), 1600 (aryl); 1 H-NMR (CDC1 3 ) 8 2.30 (s, 3, ArCH3), 3.65 (br s, 1, OH), 3.84 (s, 3, OCH 3 ), 3.86 (s, 3, OCH 3 ), 3.85 (d of d, JAX = 9.3 and JAB = 10.0Hz, 1, ArCHxCHAHB), 4.12 (d of d, JAB = 10.0 and JBX = 3.2Hz, 1, ArCHXCHAH.B), 4.98 (d of d, JAX = 9.3 and JBX = 3.2Hz, 1, ArCHXCHAHB), 5.73 (s, 1, OH), 6.6-7.0 (m, 6, ArH); 1 3 H-NMR (d6-acetone) ppm 20.9 (q, ArCH 3 ), 56.0 (q, OCH 3 ), 72. 4 2-(2'-methoxy-4'-methylphenoxy)-l-(4'-hydroxy-3-methoxyphenyl)ethene (3a/3b). To thirteen 4.5 mL bombs was added 40 mg of 2.…”