(R)-(1-([1,1'-Biphenyl]-4-yl)-3-hydroxypropan-2-yl)carbamic acid tert-butyl ester is a chiral amino alcohol derivative featuring a biphenyl core, a hydroxymethyl group, and a tert-butyloxycarbonyl (Boc) protected amine. It serves as a crucial chiral building block in pharmaceutical synthesis. This compound is a key advanced intermediate in the synthesis of SGLT2 (Sodium-Glucose Cotransporter 2) inhibitors, a prominent class of drugs for the treatment of type 2 diabetes. Specifically, it is utilized in the preparation of active pharmaceutical ingredients (APIs) such as Ertugliflozin. The (R)-configuration of the chiral center is essential for the desired biological activity of the final drug molecule. The Boc protecting group allows for selective manipulation of the amine functionality during the multi-step synthetic sequence, making this intermediate a valuable and specific precursor in the production of cardiovascular and metabolic disease therapeutics.