Glibornuride

Glibornuride (INN) is an anti-diabetic drug from the group of sulfonylureas. It is manufactured by MEDA Pharma and sold in Switzerland under the brand name Glutril.

Synthesis
Gliburnide is an endo-endo derivative made from camphor-3-carboxamide by borohydride reduction (exo approach), followed by Hofmann rearrangement to carbamate, followed by displacement with sodium tosylamide.