Demonstrate your understanding of retrosynthetic analysis by redrawing step (ii) in the retrosynthetic direction to show the disconnection of compound 7 and the synthons that correspond to the two reagents. (4 marks)

 

i. Me,NH.HCI, CH20 ii. HS(CH2),NH2, conc. HCI N. N 0 C, 3 hours 0 C, 18 hours OH OH 7 NH2 O N