p. 137 - 140
(2007/10/02)[(2R,6R)-5-Oxo-2-thiophen-2-yl-6-(trityl-amino)-[1,4]thiazepan-4-yl]-acetic acid tert-butyl ester
(2R,6R)-2-Thiophen-2-yl-6-(trityl-amino)-[1,4]thiazepan-5-one
(2R,6R)-6-amino-2-thienylperhydrothiazepin-5-one
trityl chloride
bromoacetic acid tert-butyl ester