| 摘要 |
The present invention relates to thioether compounds represented by the formula A-NH-R-S-R' wherein A is a sunscreening moiety having a prominent spectral absorption peak within the range of 250-400 millimicrons, R is an alkylene of from 2 to 18 carbon atoms and R' represents an alkyl group containing from 7 to 26 carbon atoms. Such thioethers are intermediates employed in the synthesis of sulfonium salt sunscreen agents having improved adhesion to the skin.
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