5-(4-Amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic acid 5-methyl-2-(1-methylethyl)cyclohexyl ester

It’s a protected ester intermediate employed to synthesize fluorinated oxathiolane nucleoside analogs. 5-(4-Amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic acid 5-methyl-2-(1-methylethyl)cyclohexyl ester is not a drug and not an API.

API Name Emtricitabine
CAS No 147126-75-8
Molecular Formula C18H26FN3O4S
Molecular Weight 399.5 g/mol
Synonyms (5-methyl-2-propan-2-ylcyclohexyl) 5-(4-amino-5-fluoro-2-oxopyrimidin-1-yl)-1,3-oxathiolane-2-carboxylate

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