acetic acid tert-butyl ester lithium enolate

tert-butyl 2-pyridin-2-ylacetate

tert-butyl 8-methylsulfanyl-9-oxodecanoate

tert-butyl 4-oxopentanoate

(s)-4-(cbz-氨基)-5-甲基-3-氧代己酸叔丁酯

3-羟基-4-戊酸叔丁酯

琥珀酸单叔丁酯

tert-butyl 3-oxohexanoate

3-氧代-3-苯基丙酸叔丁酯

2-[(4-fluorobutyl)oxy]pyridine

1,1-dimethylethyl (R)-7-(2-(4-fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-((phenylamino)carbonyl)-1H-pyrrol-1-yl)-5-hydroxy-3-oxo-1-heptanoate

tert-butyl 4-hydroxy-4-methyl-3-oxopentanoate

tert-butyl 4-bromo-3-hydroxybutanoate

tert-butyl 4-hydroxy-3-oxopentanoate

tert-butyl 7-bromoheptanoate

(3S,4S)-tert-butyl 4-(N,N-dibenzylamino)-3-hydroxy-5-phenylpentanoate

tert-butyl 7-iodoheptanoate