Dibenzoylmethane compounds as photochemical precursors for UV absorbers
Dibenzoylmethane compounds with an amide group address the photostability and conversion speed issues of avobenzone, providing superior UV protection through rapid photoconversion into effective sunscreen compounds.
JP2026511224APending Publication Date: 2026-04-10ロカフラダダエスエル
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Patent Information
- Application Number
- JP2025556544
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2023-03-28
- Filing Date
- 2024-03-27
- Publication Date
- 2026-04-10
AI Technical Summary
Technical Problem
Existing sunscreen compounds like avobenzone have issues with photostability and slow photoconversion, leading to inadequate UV protection and potential degradation of other ingredients.
Method used
Development of dibenzoylmethane compounds with an amide group on one of the rings, which exhibit improved photoconversion and faster transformation into effective UV absorbers.
Benefits of technology
The dibenzoylmethane compounds provide enhanced UV protection by quickly converting into sunscreen compounds, offering higher SPF and UVA-PF values compared to existing precursors.
✦ Generated by Eureka AI based on patent content.
Abstract
The present invention relates to precursors of dibenzoylmethane compounds having an amide group on one of the rings, and corresponding photoconversion compounds, pharmaceutically or cosmetically acceptable salts thereof, or stereoisomers or mixtures thereof, for use in protecting human or animal living organisms or materials from ultraviolet light. The present invention also relates to the preparation processes thereof, as well as cosmetic compositions, pharmaceutical compositions or personal care compositions thereof.
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