33465-52-0Relevant academic research and scientific papers
Photoinitiated bromination of 3-methylceph-3-em 1S-oxide esters. A convenient synthesis of 3-substituted cephalosporins from penicillins
Cowley,Humber,Laundon,Long
, p. 337 - 342 (2007/10/02)
Photoinitiated bromination of 3-methyl-ceph-3-em 1S-oxide esters 2, readily obtained from penicillins, gave the corresponding 3-bromomethyl derivatives 5. The 3-bromomethyl 1S-oxides 5b and 5c were converted into the salts 12 and 13 of the 3-methylthiomet
