US 7,547,790 B2 · Optically active 4,4-di-substituted oxazolidine derivative and method for producing same

Abstract

An optically active 4,4-di-substituted oxazolidine compound having the formula (I) wherein R1 represents a substituted C1-C3 alkyl group, a substituted C2-C3 alkenyl group, a formyl group, a hydroxymethyl group, a group of the formula COOR, a halogenated methyl group, a phosphonium methyl group; R represents a C1-C6 alkyl group, a C2-C6 alkenyl group, a phenyl group or a benzyl group; R2 represents a C1-C6 alkyl group, a C3-C10 cycloalkyl group, or a phenyl group; R3 represents a C2-C6 alkanoyl group, a C1-C6 alkyloxycarbonyl group, a benzoyl group, a phenyloxycarbonyl group or a benzyloxycarbonyl group and R4 represents a C1-C6 alkyl group or a C2-C6 alkenyl group.

Claims17

Dependent claims

An optically active 4,4-di-substituted-oxazolidine compound having a formula (I)

wherein
R1 represents a C1-C3 alkyl group which is substituted with one substituent from a Substituent group A, a C2 -C3 alkenyl group which is substituted with one substituent selected from the Substituent group A, a halogenated methyl group, a hydroxymethyl group, a formyl group or a phosphonium methyl group,
R2 represents a C1-C6 alkyl group, a C3-C10 cycloalkyl group or a phenyl group,
R3 represents a methoxycarbonyl group,
R4 represents a C1-C6 alkyl group or a C2-C6 alkenyl group, the Substituent group A represents a phenyl group which is unsubstituted or substituted with from 1 to 3 substituents selected from the group consisting of a halogen atom, a cyano group, a phenyl group, a C1-C8 alkyl group, a C1-C8 alkoxy group and a C2-C8 alkanoyl group;
a thienyl group;
a N-methylpyrrolyl group;
or a furanyl group.

5 more elements

Dependencies are inferred from the claim text.

Optically active 4,4-di-substituted oxazolidine derivative and method for producing same

Life of this patent

Optically active 4,4-di-substituted oxazolidine derivative and method for producing same

Life of this patent

Abstract

Claims17