| 摘要 |
It has emerged that in the invention terpenes in synergistically acting combinations with alpha -keto mono- and/or alpha -keto dicarboxylic acids and/or mono- or mono- and/or diesters or in the basic active substances, in the terpene alpha -keto acid esters (preferably 1-bornyl pyruvate), the alpha -keto carboxylic acid residue can be replaced by the alpha -ketal carboxylic acid residue, the saturated carboxylic acid residue, the alpha -hydroxy carboxylic acid residue, the alpha -alkoxy carboxylic acid residue and the alpha -acyloxy carboxylic acid residue. Based on the preferred 1-bornyl pyruvates, the following series results from this: <IMAGE> Terpenes in synergistically acting combinations with alpha -keto mono- and/or keto dicarboxylic acids and/or their mono- or mono- and/or diesters and certain alpha -keto monocarboxylic acid and alpha -keto dicarboxylic acid derivatives and use of these active substance combinations or of the basic active substances (derivatives) as bioactive agents in pharmaceuticals, cosmetics and dermatological agents.
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