p. 765 - 768
(2007/10/02)thiophenol
tert-butyldimethylsilyl chloride
(3R,4S)-3-Azido-1-(tert-butyl-dimethyl-silanyl)-4-phenylsulfanyl-azetidin-2-one
(4R)-4-phenylthio-2-azetidinone
N-(tert-butyldimethylsilyl)-4-thiophenyl-2-azetidinone
[(3S,4R)-1-(tert-Butyl-dimethyl-silanyl)-3-methoxy-2-oxo-4-phenylsulfanyl-azetidin-3-yl]-carbamic acid benzyl ester
((2S,3R)-2-Benzenesulfonyl-4-oxo-azetidin-3-yl)-carbamic acid benzyl ester
((3R,4S)-2-Oxo-4-phenylsulfanyl-azetidin-3-yl)-carbamic acid benzyl ester
[(3R,4S)-1-(tert-Butyl-dimethyl-silanyl)-2-oxo-4-phenylsulfanyl-azetidin-3-yl]-carbamic acid benzyl ester
((2R,3S)-2-Benzenesulfinyl-3-methoxy-4-oxo-azetidin-3-yl)-carbamic acid benzyl ester