Cefazaflur (
INN
Inns are generally establishments or buildings where travelers can seek lodging, and usually, food and drink. Inns are typically located in the country or along a highway; before the advent of motorized transportation they also provided accommo ...
) is a first-generation
cephalosporin
The cephalosporins (sg. ) are a class of β-lactam antibiotics originally derived from the fungus '' Acremonium'', which was previously known as ''Cephalosporium''.
Together with cephamycins, they constitute a subgroup of β-lactam antibioti ...
antibiotic.
Synthesis
Cefazaflur stands out among this group of analogues because it lacks an arylamide C-7 side chain (see
cephacetrile
Cefacetrile ( INN, also spelled cephacetrile) is a broad-spectrum first generation cephalosporin antibiotic
An antibiotic is a type of antimicrobial substance active against bacteria. It is the most important type of antibacterial agent for ...
for another example).

Cefazaflur is synthesized by reaction of 3-(1-methyl-1
H-tetrazol-5-ylthiomethylene)-7-amino-cephem-4-carboxylic acid (1) with trifluoromethylthioacetyl chloride (2).
References
{{CephalosporinAntiBiotics
Cephalosporin antibiotics
Enantiopure drugs
Tetrazoles
Organofluorides