摘要:
A process for preparing substituted 4-methylidenecinnamic acid derivatives of Formula (I). ##STR1## The variables are defined herein. The compounds of Formula (I) can be used, for example, as UV absorbers.
摘要:
The use of a benzylidenenorcamphor compound of the formula I ##STR1## wherein Phe is a phenyl group which is unsubstituted or substituted by 1 to 5 hydroxyl, alkyl or alkoxy groups having 1 to 10 C atoms, and n is 1 or 2. as sunscreen filters, and also novel compounds of the formula I, their preparation and use as UV filters, in particular in cosmetic or pharmaceutical preparations.
摘要:
The invention relates to bis(methylidene)phenylene derivatives of the formula A.sup.1 -Phe-A.sup.2 I wherein Phe is an unsubstituted or substituted phenylene group, A.sup.1 is a group selected from the formulae 1, 2 and 3 and A.sup.2 is a group other than A.sup.1 selected from the formulae 1, 2 and 3 ##STR1## wherein R.sup.1 and R.sup.2 are independently H or CH.sub.3 and their preparation and use as UV filters, in particular cosmetic and pharmaceutical preparations.
摘要:
The invention relates to ketotricyclo�5.2.1.0!decane derivatives of the formula I ##STR1## wherein Phe is a phenylene group which is unsubstituted or substituted by 1 to 4 hydroxyl, alkyl or alkoxy groups having 1 to 10 C atoms, and their preparation and use as UV filters, in particular in cosmetic or pharmaceutical preparations.
摘要:
The invention relates to a novel heat-stable form of N-methyl-N-[(1S)-1-phenyl-2-((3S)-3-hydroxypyrrolidin-1-yl)ethyl]-2,2-diphenylacetamide and to a process for the preparation and isolation of this compound in this novel form and to use for the production of medicaments which contain this compound and/or one of its physiologically acceptable salts.