Question

06-09-16 ID# Name: ???", H2O, NH2 CN Ho o OH HO HO HO 1. N3", DMSO 2. H2 (Pd cat) 3. A NH NH NH NH HO DCC, THF, EtgN NH2 Et 1. Ph-N C-S H2N Me 2. dil H30* Ph- Ph~ Ph- PhNH O Me O Me S Et

Can someone mechanistically explain these end products for me (yes they are the correct answer though im not sure why)?

Answer 1