DEN0009422MA - - Google Patents
Info
- Publication number
- DEN0009422MA DEN0009422MA DEN0009422MA DE N0009422M A DEN0009422M A DE N0009422MA DE N0009422M A DEN0009422M A DE N0009422MA
- Authority
- DE
- Germany
- Prior art keywords
- oxy
- methyl
- added
- acetylaminonaphthalene
- salt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
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- WPYMKLBDIGXBTP-UHFFFAOYSA-N Benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 5
- 239000011780 sodium chloride Substances 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- 239000005711 Benzoic acid Substances 0.000 claims description 3
- 235000010233 benzoic acid Nutrition 0.000 claims description 3
- 150000007513 acids Chemical class 0.000 claims description 2
- 230000000249 desinfective Effects 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005755 formation reaction Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 238000002845 discoloration Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000001476 alcoholic Effects 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 230000000840 anti-viral Effects 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000006210 lotion Substances 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
Description
BUNDESREPUBLIK DEUTSCHLANDFEDERAL REPUBLIC OF GERMANY
Tag der Anmeldung: 2. September 1954 Bekanntgemacht am 5. Januar 1956Registration date: September 2, 1954. Advertised on January 5, 1956
Auf Grund der guten Eigenschaften der i-Oxy-2-methyl-4-acylaminonaphthaline und ihrer Salze körinen diese Produkte als Desinfektionsmittel zu Haarwässern, Salben und ähnlichen kosmetischen Präparaten zugesetzt werden. Die Produkte sind farblos und im allgemeinen gut beständig. Sie können aber in besonderen Fällen wegen der vorhandenen phenolischen Hydroxylgruppe und möglicherweise entstehenden freien Aminogruppe Farbbildung verursachen, indem die an sich farblosen Verbindungen mit anderen in der Substanz anwesenden Stoffen schwachrötliche bis violette Verfärbungen bilden. So kann z. B. eine alkoholische Lösung des i-Oxy^-methyl^-acetylaminonaphthalins, als Haarpflegemittel verwendet, bei besonders disponierten Personen eine Verfärbung des Haares hervorrufen.Due to the good properties of the i-oxy-2-methyl-4-acylaminonaphthalenes and their salts, these products can be used as disinfectants for hair lotions, ointments and similar cosmetic products Preparations are added. The products are colorless and generally have good stability. she but can in special cases because of the phenolic hydroxyl group and possibly resulting free amino group cause color formation by the inherently colorless Compounds with other substances present in the substance pale reddish to violet Form discoloration. So z. B. an alcoholic solution of i-Oxy ^ -methyl ^ -acetylaminonaphthalene, Used as a hair care product, discoloration in particularly disposed people of the hair.
Es wurde nun gefunden, daß man diese Farbbildungen verhindern kann, wenn man Zubereitungen, die ein i-Oxy^-methyl^-acylaminonaphthalin oder ein Salz einer solchen Verbindung enthalten, eine kleine Menge (z. B. o,i bis i% berechnet auf das gesamte Präparat) Benzoesäure oder Oxybenzoesäure oder eines Salzes oder EstersIt has now been found that this color formation can be prevented by using preparations the an i-Oxy ^ -methyl ^ -acylaminonaphthalene or containing a salt of such a compound, a small amount (e.g. o, i to i% calculated on the entire preparation) benzoic acid or oxybenzoic acid or a salt or ester
509 627/172509 627/172
N 9422 IVa/'30iN 9422 IVa / '30i
dieser Säuren hinzusetzt. Dieser Zusatz verhindert die unerwünschte Farbbildung, ohne die guten antinivkotischen Eigenschaften zu beeinflussen.these acids are added. This addition prevents the unwanted color formation without the good anti-viral Affect properties.
Beispiel 0,2 g i-Oxy-2-methyl-4-acetylaminonaphthalinExample 0.2 g of i-Oxy-2-methyl-4-acetylaminonaphthalene
werden in 100 ecm 50%igem Alkohol gelöst ο,] % Benzoesäure hinzugefügt.are dissolved in 100 ecm 50% alcohol ο,]% benzoic acid added.
Claims (1)
Family
ID=
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