= 7.8 Hz, 1H), 8.70 (d, J= 4.2 Hz, 1H). 13C NMR 6 14.1, 109.4, 123.7, 126.3, 126.4,

136.8, 148.4, 150.0, 154.2, 159.2, 178.4.

 (4-Methoxyphenyl)(5-methyl-2-furyl)methanone (6.14d): yellow oil; yield, 81%.

1HNMR 6 2.45 (s, 3H), 3.88 (s, 3H), 6.20 (dd, J= 0.8, 3.4 Hz, 1H), 6.95-6.99 (m, 2H),

7.10 (d, J= 3.4 Hz, 1H), 7.95-7.99 (m, 2H). 13C NMR 6 14.1, 55.4, 108.8, 113.6, 121.8,

130.2, 131.4, 151.2, 158.0, 163.0, 180.8.

 2-Phenyl-l-(5-methyl-2-furyl)-l-ethanone (6.14e): yellow oil; yield, 68%. 1H

NMR 6 2.39 (s, 3H), 4.05 (s, 2H), 6.14 (d, J= 3.5 Hz, 1H), 7.13 (d, J= 3.5 Hz, 1H),

7.20-7.32 (m, 5H). 13C NMR 6 14.0, 45.1, 109.1, 120.0, 126.8, 128.6, 129.4, 134.5,

151.0, 158.0, 185.8.

(4-Methylphenyl)(2-thienyl)methanone (6.16a): white solid; yield, 89%; m.p. 72-74

C (Lit.[53JACS1115] m.p. 75-76 C). H NMR 6 2.41 (s, 3H), 7.11-7.14 (m, 1H), 7.27

(d, J= 8.0 Hz, 2H), 7.62 (d, J= 3.7 Hz, 1H), 7.67 (d, J= 4.8 Hz, 1H), 7.77 (d, J= 8.0 Hz,

2H). 13C NMR 6 21.4, 127.7, 128.9, 129.2, 133.7, 134.3, 135.2, 142.9, 143.6, 187.7.

 [4-(Diethylamino)phenyl](2-thienyl)methanone (6.16b): yellowish gummy solid;

yield, 58%. 1H NMR 6 1.22 (t, J= 7.0, 6H), 3.44 (q, J= 7.0, 4H), 6.70 (d, J= 9.1 Hz,

2H), 7.13 (dd, J= 3.7, 4.8, 1H), 7.61 (dd, J= 0.9, 4.9, 1H), 7.65 (dd, J= 0.9, 3.7, 1H),

7.89 (d,J= 9.1, 2H). 13C NMR 6 12.5, 44.5, 110.1, 124.4, 127.4, 131.9, 132.2, 132.7,

144.5, 151.0, 185.8. Anal. Calcd. For C15H17NOS (Mr = 259.37): C 69.46, H 6.61, N 5.40

%; found: C 69.03, H 7.70, N 5.32 %.

 (4-Methoxyphenyl)(2-thienyl)methanone (6.16c): brown solid; yield, 78%; m.p.

73-74 C (Lit.[73JACS4599] m.p. 73.4-74.0 oC). 1H NMR 6 3.89 (s, 3H), 6.98 (d, J=

8.9 Hz, 2H), 7.15 (dd, J= 3.9, 4.8 Hz, 1H), 7.63-7.64 (m, 1H), 7.68 (dd, J= 0.8, 4.9 Hz,