(4R,5S)-4-(tert-Butyl-diphenyl-silanyloxymethyl)-5-hydroxymethyl-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

(4R,5R)-5-((R)-3-Azido-1-methyl-propyl)-4-(tert-butyl-diphenyl-silanyloxymethyl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

(4R,5R)-3-N-tert-butyloxycarbonyl-4-hydroxymethyl-5-((1''R,3''E)-1''-methylpent-3''-enyl)-2,2-dimethyl-1,3-oxazolidine

(4R,5R)-5-((S)-3-Benzyloxycarbonylamino-1-methyl-propyl)-4-(tert-butyl-diphenyl-silanyloxymethyl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

(4R,5S)-3-N-tert-butoxycarbonyl-4-heptyl-5-hydroxymethyl-2,2-dimethyl-1,3-oxazolidine

(4S,5R)-3-N-tert-butyloxycarbonyl-4-methoxycarbonyl-5-((1''R,3''Z)-1''-methylpent-3''-enyl)-2,2-dimethyl-1,3-oxazolidine

(4R,5R)-4-(tert-Butyl-diphenyl-silanyloxymethyl)-5-((R)-3-hydroxy-1-methyl-propyl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

(4R,5R)-4-(tert-Butyl-diphenyl-silanyloxymethyl)-2,2-dimethyl-5-((E)-(R)-1-methyl-pent-3-enyl)-oxazolidine-3-carboxylic acid tert-butyl ester

(4R,5R)-3-N-tert-butyloxycarbonyl-4-hydroxymethyl-5-((1''R,3''Z)-1''-methylpent-3''-enyl)-2,2-dimethyl-1,3-oxazolidine

(4R,5R)-4-(tert-Butyl-diphenyl-silanyloxymethyl)-2,2-dimethyl-5-((R)-1-methyl-3-oxo-propyl)-oxazolidine-3-carboxylic acid tert-butyl ester

(4R,5R)-5-((R)-3-Benzyloxycarbonylamino-1-methyl-propyl)-4-hydroxymethyl-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

(4R,5R)-4-(tert-Butyl-diphenyl-silanyloxymethyl)-2,2-dimethyl-5-((S)-1-methyl-3-oxo-propyl)-oxazolidine-3-carboxylic acid tert-butyl ester

(4R,5R)-4-(tert-Butyl-diphenyl-silanyloxymethyl)-2,2-dimethyl-5-((Z)-(R)-1-methyl-pent-3-enyl)-oxazolidine-3-carboxylic acid tert-butyl ester

(4R,5R)-4-(tert-Butyl-diphenyl-silanyloxymethyl)-2,2-dimethyl-5-((E)-pentadec-1-enyl)-oxazolidine-3-carboxylic acid tert-butyl ester

(4R,5S)-5-benzyloxymethyl-3-N-tert-butoxycarbonyl-4-hydroxymethyl-2,2-dimethyl-1,3-oxazolidine

(4R,5R)-4-(tert-Butyl-diphenyl-silanyloxymethyl)-2,2-dimethyl-5-((Z)-pentadec-1-enyl)-oxazolidine-3-carboxylic acid tert-butyl ester

(3R,4R)-N-benzyloxycarbonyl-3,4-<3'-N-tert-butoxycarbonyl-2',2'-dimethyl-1',3'-oxazolidinyl> azepane

(4R,5R)-5-((R)-3-Benzyloxycarbonylamino-1-methyl-propyl)-4-(tert-butyl-diphenyl-silanyloxymethyl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

(4R,5R)-5-((S)-3-Azido-1-methyl-propyl)-4-(tert-butyl-diphenyl-silanyloxymethyl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester