tert-Butyl 6-[(1E)-2-[4-(4-fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]ethenyl]-2,2-dimethyl-1,3-dioxane-4-acetate

6-[(1E)-2-[4-(4-氟苯基)-6-异丙基-2-[甲基(甲磺酰)氨基]-5-嘧啶]乙烯基]-2,2-二甲基-1,3-二氧六环-4-乙酸叔丁酯

Also known as: Rosuvastatin intermediate R-2, Rosuvastatin Acetonide t-Butyl Ester, tert-Butyl rosuvastatin, 6-[(1E)-2-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]ethenyl]-2,2-dimethyl-1,3-dioxane-4-acetic acid 1,1-dimethylethyl ester, MFCD08458343, Tert-butyl –(+)7-[4-(4-fluorophenyl)-6-isopropyl-2-(N-methyl-N-methylsulfonylamino)pyrimidine-5-yl]-(3R,5S)-dioxane-(E)-6-heptenate, Tert-butyl-(+)7-[4-(4-fluorophenyl)-6-isopropyl-2-(N-methyl,N-methyl sulphonyl amino) pyrimidine-5-yl]-(3r-5s)-dioxane-(e)-6 heptane, tert-Butyl (6-[(E)-2-{4-(4-fluorophenyl)-6-isopropyl-2-[methyl(methylsulfonyl)amino]pyrimidin-5-yl}vinyl]-2,2-dimethyl-1,3-dioxan-4-yl)acetate

tert-Butyl 6-[(1E)-2-[4-(4-fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]ethenyl]-2,2-dimethyl-1,3-dioxane-4-acetate (CAS 289042-12-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C26H36FN3O6S and a molecular weight of 537.644 g/mol. It is also known as Rosuvastatin intermediate R-2, Rosuvastatin Acetonide t-Butyl Ester and tert-Butyl rosuvastatin. Key properties include a melting point of 153-155°C, a boiling point of 704.2±70.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 379.7±35.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

289042-12-2

Jingsj CID

J-1515896-5

Molecular Formula

C₂₆H₃₆FN₃O₆S

Chinese Name

6-[(1E)-2-[4-(4-氟苯基)-6-异丙基-2-[甲基(甲磺酰)氨基]-5-嘧啶]乙烯基]-2,2-二甲基-1,3-二氧六环-4-乙酸叔丁酯

Molecular Weight

537.644 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026