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CAS 154026-98-9

tert-Butyl [(4R,6S)-6-(bromomethyl)-2,2-dimethyl-1,3-dioxan-4-yl]acetate

Codes:Atorvastatin-092

Application context (from source-drug indications)

高脂血症阿托伐他汀锶蛛网膜下腔出血阿托伐他汀锶高血压阿托伐他汀锶

Source drugs (routes using this intermediate)

DrugTierExpiry
阿托伐他汀锶Atorvastatin strontiumTier C — Watch / trade-

Position in synthesis routes (up/downstream chain)

Ordered by route registration; left → right is the synthesis direction. The highlighted node is the current CAS; others link to their own profiles.

阿托伐他汀锶优化路线steps: 11total yield: 232.6g(Atorvastatin-017)
(2R)-2-(Chloromethyl)oxirane→Atorvastatin-080→(2R)-1-Chloro-4-nitrobutan-2-ol→(3R)-3-Hydroxy-5-nitropentanenitrile→1-Methoxy-1-methylethyl methyl ether→(2-(tert-Butoxy)-2-oxoethyl)zinc(II) bromide→1,1-Dimethylethyl monobromoacetate→tert-Butyl (5R)-5-hydroxy-7-nitro-3-oxoheptanoate→3(R),5(R)-Dihydroxy-7-nitroheptanoic acid tert-butyl ester→tert-Butyl [(4R,6R)-2,2-dimethyl-6-(2-nitroethyl)-1,3-dioxan-4-yl]acetate→Ethyl (3S)-4-bromo-3-hydroxybutanoate→tert-Butyl (5S)-6-bromo-5-hydroxy-3-oxohexanoate→tert-Butyl (3R,5S)-6-bromo-3,5-dihydroxyhexanoate→tert-Butyl [(4R,6S)-6-(bromomethyl)-2,2-dimethyl-1,3-dioxan-4-yl]acetate→(4R,6R)-6-(2-Aminoethyl)-2,2-dimethyl-1,3-Dioxane-4-acetic acid 1,1-dimethylethyl ester→1,1-Dimethylethyl acetate

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