Table 1 ¹H and ¹³C NMR data of 2-ethoxystypandrone (1)(¹H 400MHz, ¹³C 100MHz in acetone-d₆)

1

178.2(C)

H-8; H-3

2

160.4(C)

H-3; H-14

3

109.2(CH)

6.25 (s)

4

190.6(C)

H-3

5

157.2(C)

6

130.5(C)

H-12; H-13; H-8

7

142.6(C)

H-8; H-13

8

120.3(CH)

7.44 (s)

H-13

9

136.0(C)

10

112.0(C)

H-3; H-8

11

201.6(C)

H-12

12

30.5(CH₃)

2.55 (s)

13

18.5(CH₃)

2.35 (s)

H-8

14

65.3(CH₂)

4.22(q, J = 7.0 Hz)

H-15

15

12.9(CH₃)

1.48(t, J = 7.0 Hz)

H-14