), 6.85-7.03 (m, 4H, H5, H6, H5’, H6’), 7.18 (s, 1H, H2), 7.49 (d, 2H,
J
= 15.2 Hz, H
α
, H4’),
7.85 (d, 1H,
J
= 15.2 Hz, H
β
), 7.91 (d, 1H, H3’), 12.87 (s, 1H, OH).
13
C NMR (CDCl
3
)
δ
101.99 (-OCH
2
O-), 106.98 (C2), 109.00 (C5), 118.24 (C3’), 118.85 (C6), 119.03 (C1’),
120.31 (C5’), 125.99 (C6’), 129.32 (C1), 129.76 (C
α
), 136.47 (C4’), 145.58 (C
β
), 148.75-
150.54 (C3, C4), 163.79 (C2’), 193.79 (C=O).
log
P
: 3.08. Yield = 62%.
Compound 7: (2
E
)-3-(1,3-BENZODIOXOL-5-YL)-1-(3’-METHOXY-4-HIDROXY-
PHENIL)-2-PROPEN-1-ONE. C
17
H
14
O
5
, yellow solid, m.p.: 134-136 ºC; IV
ν
max
/cm
-1
3216
(OH), 1643, 1215 (C=O), 1568 (C=C), 1254, 1032 (C-O), 3088, 2900, 1602, 1500, 1447,
1427, 1102, 975, 931, 801 (Ar) (KBr).
1
H NMR (CDCl
3
)
δ
3.97 (s, 3H, OCH
3
), 6.02 (s, 2H, -
OCH
2
O-), 6.26 (s, 1 H, OH), 6.84 (d, 1H,
J
= 8.00 Hz, H5), 6.99 (d, 1H,
J
= 8.00 Hz, H6),
7.12 (d, 1H,
J
= 8.00 Hz, H6’), 7.17 (s, 1H, H2), 7.39 (d, 1H,
J
= 15.6 Hz, H
α
), 7.62 (s, 1H,
H2’), 7.63 (d, 1H,
J
= 8.00 Hz, H5’), 7.73 (d, 1H,
J
= 15.6 Hz, H
β
).
13
C NMR (CDCl
3
)
δ
56.37 (OCH
3
), 101.85 (-OCH
2
O-), 106.84 (C2), 108.89 (C5), 110.67 (C2’), 114.03 (C5’),
119.82 (C6), 123.77 (C6’), 125.32 (C
α
), 129.74 (C1), 131.37 (C1’), 144.08 (C
β
), 147.09-
148.59 (C3, C4), 149.97 (C4’), 150.52 (C3’), 188.66 (C=O). Anal. Calcd for C
17
H
14
O
5
: C,
68.45; H, 4.73; found: C, 68.18; H, 5.23.
log
P
: 2.82. Yield = 47%.
Compound 8: (2
E
)-3-(1,3-BENZODIOXOL-5-YL)-1-(4’-METHOXY-PHENIL)-2-
PROPEN-1-ONE. C
17
H
14
O
4
, yellow light solid, m.p.: 131-132 ºC (lit. m.p.: 134-135 ºC)
147
;
IV
ν
max
/cm
-1
1652, 1219 (C=O), 1582 (C=C), 1243, 1219, 1036, 1021 (C-O), 2945, 2903,
1600, 1499, 1442, 1419, 1098, 993, 929, 812 (Ar) (KBr).
1
H NMR (CDCl
3
)
δ
3.87 (s, 3H,
OCH
3
), 6.01 (s, 2H, -OCH
2
O-), 6.84 (d, 1H, H5), 6.97 (d, 2H,
J
= 7.6 Hz, H3’, H5’), 7.01 (d,
1H, H6), 7.16 (s, 1H, H2), 7.40 (d, 1H,
J
= 16.0 Hz, H
α
), 7.70 (d, 1H,
J
= 16.0 Hz, H
β
), 8.02
(d, 2H,
J
= 7.6 Hz , H2’, H6’).
13
C NMR (CDCl
3
)
δ
55.73 (OCH
3
), 101.84 (-OCH
2
O-), 106.83
(C2), 108.87 (C5), 114.03 (C3’, C5’), 120.04 (C6), 125.30 (C
α
), 129.74 (C1’), 130.95 (C2’,
C6’), 131.44 (C1), 144.04 (C
β
), 148.59-149.96 (C3, C4), 163.54 (C4’), 188.78 (C=O).
log
P
:
3.11. Yield = 77%.
Compound 9: (2
E
)-3-(1,3-BENZODIOXOL-5-YL)-1-(3’,4’-DIMETHOXY-PHENIL)-2-
PROPEN-1-ONE. C
18
H
16
O
5
, yellow light solid, m.p.: 126-128 ºC (lit. m.p.: 143-144 ºC)
148
;
IV
ν
max
/cm
-1
1656 (C=O), 1581 (C=C), 1261, 1248, 1040, 1025 (C-O), 3015, 2886, 1595,
1499, 1464, 1413, 1096, 992, 932, 791 (Ar) (KBr).
1
H NMR (CDCl
3
)
δ
3.96 (s, 3H, OCH
3
),
3.97 (s, 3H, OCH
3
), 6.02 (s, 2H, -OCH
2
O-), 6.84 (d, 1H,
J
= 8.4 Hz, H5), 6.92 (d, 1H,
J
= 8.4
Hz, H6), 7.12 (d, 1H,
J
= 7.6 Hz, H6’), 7.17 (s, 1H, H2), 7.39 (d, 1H,
J
= 15.6 Hz, H
α
), 7.61
(s, 1H, H2’), 7.66 (d, 1H,
J
= 7.6 Hz, H5’), 7.73 (d, 1H,
J
= 15.6 Hz, H
β
).
13
C NMR (CDCl
3
)
δ
56.28 (OCH
3
), 101.85 (-OCH
2
O-), 106.81 (C2), 108.88 (C5), 110.15 (C5’), 110.90 (C2’),
119.81 (C6), 123.11 (C6’), 125.34 (C
α
), 129.71 (C1), 131.64 (C1’), 144.08 (C
β
), 148.58-
149.97 (C3, C4), 149.39 (C3’), 153.35 (C4’), 188.69 (C=O). Anal. Calcd for C
18
H
16
O
5
: C,
69.22; H, 5.16; found: C, 69.29; H, 5.56.
log
P
: 2.85. Yield = 72%.
Compound 10: (2
E
)-3-(1,3-BENZODIOXOL-5-YL)-1-(3’-NITRO-PHENIL)-2-
PROPEN-1-ONE. C
16
H
11
NO
5
, brown solid, m.p.: 144-146 ºC; IV
ν
max
/cm
-1
1661, 1211
(C=O), 1588 (C=C), 1248, 1036 (C-O), 1527, 1347, 850 (N=O), 3040, 2900, 1609, 1503,
1489, 1446, 1102, 927, 808, 700 (Ar) (KBr).
1
H NMR (CDCl
3
)
δ
6.05 (s, 2H, -OCH
2
O-), 6.86
(d, 1H,
J
= 8.0 Hz, H5), 7.15 (d, 1H,
J
= 8.0 Hz, H6), 7.19 (s, 1H, H2), 7.36 (d, 1H,
J
= 15.2
Hz, H
α
), 7.70 (m, 1H, H5’), 7.81 (d, 1H,
J
= 15.2 Hz, H
β
), 8.33 (d, 1H,
J
= 8.0 Hz, H6’), 8.43
(d, 1H,
J
= 8.0 Hz, H4’), 8.81 (s, 1H, H2’).
13
C NMR (CDCl
3
)
δ
102.06 (-OCH
2
O-), 107.00
(C2), 109.02 (C5), 118.80 (C6), 123.40 (C
α
), 126.18 (C6'), 127.15 (C1), 129.02 (C4’), 130.09