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    • 9. 发明授权
    • Sunscreening compound and method
    • 防晒化合物及方法
    • US4070450A
    • 1978-01-24
    • US643427
    • 1975-12-22
    • Richard BarnerWalter Boguth
    • Richard BarnerWalter Boguth
    • C07D213/66C07D213/79A61K7/42C07D471/00
    • C07D213/66C07D213/79
    • Radiation screening preparations comprising a cosmetically acceptable carrier and, as the active ingredient, one or more compounds represented by the formula ##STR1## WHEREIN N IS 1, R.sub.1 is hydrogen, alkyl, alkali metal, ammonium or ammonium substituted with one or more alkyl or hydroxyalkyl residues, R.sub.2 is hydroxymethyl or alkoxymethyl and R.sub.3 is hydrogen; or R.sub.1 and R.sub.2 together constitute a methylene group and R.sub.3 is hydrogen, methyl or ethyl; and wherein n is 2, R.sub.1 is an alkaline earth metal, R.sub.2 is hydroxymethyl or alkoxymethyl and R.sub.3 is hydrogenAnd pharmaceutically acceptable acid addition salts thereof. The preparations may additionally contain other agents which are characterized by a maximum light absorption in the erythemal range. Certain novel compounds are disclosed.
    • 包含美容上可接受的载体和作为活性成分的一种或多种由下式表示的化合物的辐射筛选制剂,R1是氢,被一个或多个烷基取代的烷基,碱金属,铵或铵,或 羟烷基残基,R2是羟甲基或烷氧基甲基,R3是氢; 或R 1和R 2一起构成亚甲基,R 3为氢,甲基或乙基; 并且其中n为2,R 1为碱土金属,R 2为羟甲基或烷氧基甲基,R 3为氢,并且其药学上可接受的酸添加量为。 制剂可以另外含有特征在于红斑范围内最大光吸收的其它药剂。 公开了某些新型化合物。