ACCEPTED MANUSCRIPT
8
2
.90 (d, J = 2.0 Hz, 4H), 8.83 (d, J = 4.5 Hz, 2H), 8.29 (d, J = 8.1 Hz, 2H), 8.03 (d, J = 8.1 Hz,
H), 7.96-7.92 (m, 2H), 7.61 (t, J = 7.6 Hz, 2H), 7.49 (t, J = 7.4 Hz, 1H), -2.81 (s, 2H); 4a - 8.88
(s, 2H), 8.68 (d, J = 3.4 Hz, 4H), 8.49 (d, J = 3.4 Hz, 2H), 8.32-8.22 (m, 2H), 8.16-8.10 (m, 2H),
7
2
.89-7.82 (m, 2H), 7.52-7.46 (m, 2H), 7.15-7.10 (m, 2H), 7.08 (dd, J = 7.8, 4.5 Hz, 2H), -2.54 (s,
H); 4b - 8.90 (s, 4H), 8.70 (s, 4H), 8.34 (d, J = 8.3 Hz, 1H), 8.26 (d, J = 6.9 Hz, 1H), 8.17 (d, J
=
8.3 Hz, 1H), 7.89 (dd, J = 8.2, 7.1 Hz, 1H), 7.52 (t, J = 7.5 Hz, 1H), 7.19-7.10 (m, 1H), 7.06
(
d, J = 8.4 Hz, 1H), -2.73 (s, 2H); 5a - 9.02 (d, J = 4.8 Hz, 2H), 8.93 (s, 2H), 8.86 (s, 2H), 8.78
d, J = 4.6 Hz, 2H), 8.37 (s, 2H), 8.24 (d, J = 7.7 Hz, 2H), 8.17 (d, J = 7.7 Hz, 2H), 8.06 (d, J =
(
7
4
8
.5 Hz, 2H), 7.71 (d, J = 7.4 Hz, 2H), 7.54 (t, J = 7.4 Hz, 2H), 7.45 (dd, J = 10.8, 4.2 Hz, 2H),
.21 (s, 4H), -2.68 (s, 2H); 5b - 9.04 (d, J = 4.6 Hz, 2H), 8.90 (s, 4H), 8.82 (d, J = 4.4 Hz, 2H),
.37 (s, 1H), 8.24 (d, J = 7.7 Hz, 1H), 8.18 (d, J = 7.7 Hz, 1H), 8.07 (d, J = 7.5 Hz, 1H), 7.71 (d,
J = 7.4 Hz, 1H), 7.54 (t, J = 7.5 Hz, 1H), 7.46 (t, J = 7.4 Hz, 1H), 4.21 (s, 2H), -2.79 (s, 2H); 6a -
8
8
.94-8.62 (m, 8H), 8.56 (d, J = 7.7 Hz, 1H), 8.50 (d, J = 7.8 Hz, 1H), 8.46-8.29 (m, 8H), 8.16-
.01 (m, 4H), 7.79-7.70 (m, 2H), 7.48-7.36 (m, 2H), -2.40 (s, 2H); 6b - 8.93-8.67 (m, 8H), 8.63
(d, J = 4.7 Hz, 1H), 8.55 (d, J = 7.8 Hz, 1H), 8.46-8.32 (m, 3H), 8.15-8.07 (m, 2H), 7.74 (d, J =
1
3
9
1
1
1
1
1
1
1
1
1
1
1
1
8
9
3
.3 Hz, 1H), 7.36 (d, J = 9.3 Hz, 1H), -2.65 (s, 2H). C NMR (101 MHz, CDCl ) δ: 1b - 141.45,
35.40, 134.62, 132.0, 128.58, 127.10, 126.33, 114.44, 111.8, 107.70; 2b - 134.47, 128.98,
27.32, 126.10, 125.10, 122.90, 119.9, 107.71, 103.2; 3a -140.91, 140.61, 140.41, 135.08,
29.10, 127.81, 127.40, 125.54, 122.54; 3b - 147.83, 145.37, 141.13, 140.49, 139.92, 135.12,
29.13, 127.40, 125.65, 123.05, 103.04, 101.86; 4a - 138.38, 136.77, 136.73, 133.05, 132.97,
32.93, 129.13, 128.56, 127.95, 126.59, 125.91, 124.27, 119.17, 102.23 4b - 138.17, 136.07,
36.3, 133.05, 129.30, 127.92, 126.59, 124.24, 119.13, 107.77; 5a - 143.77, 141.83, 141.68,
41.34, 139.88, 133.56, 131.43, 127.30, 127.15, 125.33, 123.28, 120.39, 118.08, 37.12; 5b -
43.78, 141.95, 141.90, 141.23, 139.34, 133.62, 131.50, 127.42, 127.20, 125.37, 123.80, 118.20,
03.01, 37.12; 6a - 135.80, 133.50, 132.62, 131.71, 130.71, 128.31, 128.04, 127.60, 126.89,
26.43, 125.80, 125.49, 124.49, 124.12, 122.81, 120.76, 101.64; 6b - 135.39, 133.58, 132.67,
31.87, 131.73, 130.71, 128.48, 128.25, 127.59, 126.74, 126.53, 125.93, 125.60, 124.48, 124.17,
+
22.88, 121.26, 103.17; Mass data [MH] : 1a - 807.0741 (calc: 807.0734); 1b - 891.0708 (calc:
91.0699); 2a - 807.0754 (calc: 807.0734); 2b - 891.0706 (calc: 891.0699); 3a - 947.2239 (calc:
47.2232); 3b - 961.1458 (calc: 961.1448); 4a - 895.1931 (calc: 895.1919); 4b - 935.1302 (calc:
6