Synthesis of Borylated Hydrazino Acid Derivatives

Abstract α-Boryl-α-hydrazinoacetic acid is a highly functionalized boron-containing building block that can be easily accessed from readily available α-borylacetaldehyde. The hydrazine motif converted into variety of α-borylated azoles and diazines in straightforward protocol. Furthermore, the carboxy group derivatized to afford novel organoboron compounds should find applications various cross-coupling transformations.