XV [aIz0~ $14"(c 0.95, CHCl3), which was easily separated by chromatography on silica gel, and reduced by zinc dust in 90% aqueous acetic acid at room temperature to cephalothin (11), mp 160-160.5",[a]"~ $50"(c 1.03, CH3CN), whose properties were identical in all respects with those of material prepared from natural cephalosporin C. 6
![N-[(2-bromo-4,5-dimethoxyphenyl)methylideneamino]-4-chloroaniline Structure](https://image.chemsrc.com/caspic/050/5317-22-6.png)