(4-Nitrophenyl)methyl (2-mercaptoethyl)carbamate → 4-Nitrobenzyl (1R, 5S,6S)-6-[1(R)-t-butyldimethylsilyloxyethyl]-1-methyl-2-[2-(4-nitrobenzyloxycarbonyl)aminoethylthio]-1-carbapen-2-em-3-carboxylate

Beteiligte Stoffe

Reaktionsschritte

Following a procedure similar to than described in Example 19(c), but using 4-nitrobenzyl (1R, 5S,6S)-6-[1(R)-t-butyldimethylsilyloxyethyl]-1-methyl-2-phenylsulfonyl-1-carbapen-2-em-3-carboxylate (prepared as described in Preparation 46)and 2-(4-nitrobenzyloxycarbonyl)aminoethylmercaptan as starting materials, in relative proportions similar to those used in that Example, the title compound was obtained in a yield of 86%.

Herkunft & Nachweise