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13C, lH,(m, J (Hz)) 130,,(m, J (Hz)) 13C, 6,(m, J (Hz)) l3C, lH,(m, J (Hz))

2 137.1 136.4 132.4 7.13 (s) 138.6 2a 121.6 122.8 120.3 118.8 3 19.3 2.99 (t, 7.3) 19.6 2.84 (t, 7.5) 19.2 2.96 (t, 7.5) 112.0 7.64 (d, 5.8) 4 43.8 3.95 (t, 7.3) 43.6 3.89 (t, 7.5) 44.3 3.91 (t, 7.5) 141.4 8.34 (d, 5.8) 5a 154.0 158.76 155.1* 146.46

6 94.1 88.0 5.69 (s) 93.9 103.9 7 152.5 157.36 153.56 143.86 8 165.8 168.8 166.8 163.3 8a 124.6 125.9= 124.1= 125.5= 8b 124.3 124.2= 122.8= 116.5= 1-Me 33.9 3.93 (s) 33.7 3.96 (s) 36.6 3.93 (s) 34.5 4.22 (s) 2-SMe 18.5 2.39 (s) 18.5 2.33 (s) 17.5 2.79 (s)