Photoinitiated bromination of 3-methylceph-3-em 1S-oxide esters. A convenient synthesis of 3-substituted cephalosporins from penicillins

DOI: 10.1016/S0040-4020(01)91829-0

Source and publish data:

Tetrahedron p. 337 - 342 (1983)

Update date:2022-08-02

Topics: Synthesis Penicillins

Authors:

Cowley Cowley

Humber Humber

Laundon Laundon

Long Long

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Article abstract of DOI:10.1016/S0040-4020(01)91829-0

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

Full text of DOI:10.1016/S0040-4020(01)91829-0

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