| 摘要 |
An aryl N,N'-bis cinnamamide compound having a formula comprising: <IMAGE> wherein x equals an integer from 0 to 3; y equals an integer from 0 to 2; z equals an integer from 0 to 2; each R is individually selected from the group consisting of a lower alkyl group having 1 to 4 carbon atoms, a lower alkoxy group having from 1 to 4 carbon atoms, a halo group, a nitro group, an aryl group having 6 to 18 carbon atoms, and a fused unsubstituted or substituted aromatic ring when x is 2 or 3; and each R' and R'' is individually selected from the group consisting of a lower alkyl group having from 1 to 4 carbon atoms, a lower alkoxy group having from 1 to 4 carbon atoms, a halo group, a nitro group or an aryl group having from 6 to 18 carbon atoms. These compounds are useful as U.V. light absorbers in plastics and cosmetics (e.g. sunscreens).
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