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                                       The ent-Rosuvastatin tert-Butyl Ester is a valuable compound widely used in chemical synthesis for its role as a versatile building block in the creation of various pharmaceuticals and fine chemicals. Due to its unique structure and reactivity, this compound is particularly favored in the synthesis of statin drugs, a class of medications known for their cholesterol-lowering properties. By serving as a key intermediate in the manufacturing of such important compounds, ent-Rosuvastatin tert-Butyl Ester plays a crucial role in the pharmaceutical industry, contributing to the development of essential medications that benefit human health worldwide. Its precise application in chemical synthesis highlights its significance as an essential tool for researchers and chemists working towards the advancement of medicinal chemistry and drug discovery.