Am. Hay et al., Use of tetrabenzo[a,c,g,i]fluorene as an anchor group for the solid/solution phase synthesis of the quinolone antibacterial, ciprofloxacin, SYNTHESIS-S, (11), 1999, pp. 1979-1985
The affinity of tetrabenzo[a,c,g, i]fluorene (Tbf) for charcoal has been ap
plied successfully to provide an alternative to existing solid phase synthe
sis methodology. In a synthesis of the quinolone antibacterial, Ciprofloxac
in, traditional solution phase synthesis has been coupled with efficient ps
eudo-solid phase purification.