FIELD: organic chemistry, biochemistry.
SUBSTANCE: invention relates to a new intermediate compound, namely, (S)-methyl-3-(3-nitrophenyl)pentanoate that is used in preparing [R-(R*,R*)]-N-[3-[1-[5,6-dihydro-4-hydroxy-2-oxo-6-(2-phenylethyl-6-propyl-2H-pyran-3-yl]propyl]phenyl]-5-(trifluoromethyl)-2-pyridinsulfonamide representing a protease inhibitor. This inhibitor can be used in treatment of HIV-infected patients. Invention provides preparing new intermediate compound for the new protease inhibitor.
EFFECT: valuable medicinal and antiviral properties of compound.
1 cl, 3 sch, 9 ex
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