Question

Please show the full reaction mechanism from products 5 -> 6 -> 7. Only use the given reagents/reaction conditions shown.

Scheme 1. Synthetic Route toward Compound1 Bno OM NHBz NHBz NH но. OH "Reagents and ditions: (a) NaH TBAL B Dr, dry THF, 78 °C to rt Sh 62%; (b) DAST, dry Pyri İne, dry C40,-20 ℃ to t 18 h, 56%, (c) 50% T FA HO re to rt 4 h, 100% (d) Ac O dry Py dine, 0 ℃ to r 14 h 83% (e) 1 M Sad. CH a N benzoyl ad ine, dry MCN,-20 °C to rt, 4 h, 85% (f) 1 MBCI, in CHg, dry CHrau-78 to 0 "G 3 h, 86%.

Answer 1