Texts: Any help?
4) a) Work out which of O 2.1 and 2.5 is equatorial or axial.
b) Using the C bearing these 'Hs mentioned in a above as a starting point, also work out the stereochemistry of the Hs 2.8, 1H, ddd, J = 9.5, 1.8, 0.5 Hz and 6.8, 1H, d, J = 0.5 Hz. There are also peaks at 1.95, 3H, s and 0.93, 9H, s. [10 Marks]
0.93
T
2.50 H 2.10 H
U
H 2.80 H 6.80 dd 15.9.5
8
dd 15.1.8
11
ddd 9.5.1.8.0.5