The compound (4R-cis)-6-chloromethyl-2,2-dimethyl-1,3-dioxane-4-acetic acid tert-butyl ester is a chiral, protected amino acid derivative with a unique structure that combines elements of cyclic ethers and esters. Its core is a 1,3-dioxane ring, which is a six-membered ring containing two oxygen atoms. This ring is known for its stability and rigidity, which can influence the compound’s conformation and its interactions with biological targets.