for the following products
(5R,6S)-6-[(1R)-1-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]ethyl]-7-oxo-3-[(2R)-tetrahydro-2-furanyl]-4-thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid 2-propenyl ester | Allyl-(1'R,2''R,5R ,6S)-6(1'-tert-butyl dimethyl silyloxyethy)-2-(2''-tetrahydrofuranyl)penem-3-carboxylate and Faropenem sodium intermediate
