CH600873A5 - Acylaminocarboxylic acid compsns - Google Patents

Acylaminocarboxylic acid compsns

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Publication number
CH600873A5
CH600873A5 CH1034873A CH1034873A CH600873A5 CH 600873 A5 CH600873 A5 CH 600873A5 CH 1034873 A CH1034873 A CH 1034873A CH 1034873 A CH1034873 A CH 1034873A CH 600873 A5 CH600873 A5 CH 600873A5
Authority
CH
Switzerland
Prior art keywords
melting point
glycine
acetyl
ester
formula
Prior art date
Application number
CH1034873A
Other languages
German (de)
Inventor
Hans Dr Eberhardt
Rolf Stefan Dr Brickl
Original Assignee
Thomae Gmbh Dr K
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to DE2234399A priority Critical patent/DE2234399A1/en
Priority to AT608773A priority patent/AT338434B/en
Priority to JP48079223A priority patent/JPS4985244A/ja
Priority to BE133542A priority patent/BE802414A/en
Priority to DK392873A priority patent/DK133537C/en
Priority to GB3369973A priority patent/GB1436614A/en
Application filed by Thomae Gmbh Dr K filed Critical Thomae Gmbh Dr K
Priority to CH1034873A priority patent/CH600873A5/en
Priority to DD172459A priority patent/DD107591A5/xx
Priority to CA176,467A priority patent/CA1022849A/en
Priority to AU58129/73A priority patent/AU483797B2/en
Priority to NL7309851A priority patent/NL7309851A/xx
Priority to FR7326126A priority patent/FR2192795B1/fr
Priority to US05/596,852 priority patent/US4016287A/en
Publication of CH600873A5 publication Critical patent/CH600873A5/en

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/60Salicylic acid; Derivatives thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/185Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
    • A61K31/19Carboxylic acids, e.g. valproic acid
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/185Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
    • A61K31/19Carboxylic acids, e.g. valproic acid
    • A61K31/195Carboxylic acids, e.g. valproic acid having an amino group
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/21Esters, e.g. nitroglycerine, selenocyanates
    • A61K31/215Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/21Esters, e.g. nitroglycerine, selenocyanates
    • A61K31/215Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids
    • A61K31/22Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids of acyclic acids, e.g. pravastatin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/60Salicylic acid; Derivatives thereof
    • A61K31/618Salicylic acid; Derivatives thereof having the carboxyl group in position 1 esterified, e.g. salsalate
    • A61K31/621Salicylic acid; Derivatives thereof having the carboxyl group in position 1 esterified, e.g. salsalate having the hydroxy group in position 2 esterified, e.g. benorylate
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/40Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
    • A61K8/44Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q17/00Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00Preparations for care of the skin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00Preparations for care of the skin
    • A61Q19/007Preparations for dry skin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00Preparations for care of the skin
    • A61Q19/008Preparations for oily skin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q5/00Preparations for care of the hair
    • A61Q5/006Antidandruff preparations
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q5/00Preparations for care of the hair
    • A61Q5/02Preparations for cleaning the hair

Abstract

Acylaminocarboxylic acid compsns for treatment and protection of skin

Description

  

  
 



   In der Literatur werden zahlreiche Acyl-amino-carbonsäure-derivate (siehe beispielsweise C. A. 66, 29058 (1967)) beschrieben; in diesen Literaturstellen werden keinerlei biologische Wirkungsangaben gemacht.



   Es wurde nun überraschenderweise festgestellt, dass die Verbindungen der Formel I
EMI1.1     
 worin   Rt    ein Wasserstoffatom, einen geradkettigen oder verzweigten Alkylrest mit 1 bis 24 Kohlenstoffatomen, eine   Trifluorme-      ethylgruppe    einen gegebenenfalls durch eine Alkylgruppe, ein Halogenatom oder Nitrogruppe substituierten Phenylrest oder einen Biphenylrest; R2 ein Wasserstoffatom oder einen Alkylrest mit 1 bis 3 Kohlenstoffatomen;   R3    ein Wasserstoffatom, einen gegebenenfalls durch eine Methylthiogruppe substituierten Alkylrest mit 1 bis 6 Kohlenstoffatomen oder einen Benzylrest; R4 ein Wasserstoffatom oder einen geradkettigen oder verzweigten Alkylrest mit 1 bis 24 Kohlenstoffatomen;

   und n Null, 1 oder 2 bedeuten, wervolle kosmetische Eigenschaften besitzen, insbesondere zur Pflege der Haut.



   Die Verbindungen der Formel I lassen sich, gegebenenfalls in Kombination mit Keratolytika, Desinfizienzien und dergleichen, in die üblichen zur Anwendung auf der Haut geeigneten Zubereitungsformen wie Salben, Cremes, Aerosole, Puder, Tinkturen, Gele, Pasten, Essenzen oder Lotions, z. B. in einer Konzentration von 0,1 bis 20%, vorzugsweise 0,25 bis   5 %,    einarbeiten. Gegenstand der vorliegenden Erfindung sind somit neue Hautpflegemittel.



   Die Verbindung der Formel I, welche zum grössten Teil literaturbekannt sind, lassen sich beispielsweise durch Acylierung einer Verbindung der Formel II
EMI1.2     
 mit einem reaktionsfähigen Derivat einer Säure der Formel III   Rl    COOH (III) herstellen.



   Die Acylierung erfolgt vorzugsweise mit einem reaktionsfähigen Derivat einer Säure der Formel III, z. B. ihrem Anhydrid oder Halogenid, zweckmässigerweise in einem Lösungsmittel wie Wasser in Gegenwart einer Base wie Natriumhydroxyd oder Pyridin bei Temperaturen zwischen 0 und   100"C.   



   Wie bereits eingangs-erwähnt, weisen die Verbindungen der Formel I wertvolle kosmetische Eigenschaften für die Pflege der Haut auf. Sie besitzen insbesondere eine talgdrüsenhemmeride,   hautpflegende    und hautfeuchtigkeitssteigernde Wirkung, wobei sich die Verbindungen der Formel I, in denen   Rt    einen niederen Alkylrest, eine Phenyl- oder Biphenylylgruppe, R2 und R3 Wasserstoffatome, R4 ein Wasserstoffatom oder einen Alkylrest mit 14 bis 18 Kohlenstoffatomen und n die Zahl Null, 1 oder 2 bedeuten, als besonders wirksam erwiesen haben.



   Die wertvollen kosmetischen Eigenschaften der Verbindungen der Formel I können beispielsweise nach folgender Methode nachgewiesen werden:
Bestimmung der Beeinflussung der Hautfettung nach der Glasklötzchen-Methode (siehe Schaefer und Kuhn-Bussius, Arch. Klin. exper. Derm.,   238,429-435    (1970)):
Aufgerauhte Glasklötzchen werden auf die zu messenden
Hautpartien aufgedrückt. Das vorhandene Hautfett macht die
Glasklötzchen durchsichtiger. Anschliessend wird die Trans mission im Photometer gemessen. Vor der Messung der Rück fettung der Haut wird das vorhandene Hautfett mit Plastikfolie abgenommen.



   Die zu untersuchenden Substanzen wurden halbseitig auf der Stirn bei 5 bis 10 Versuchspersonen mit 0,25 ml einer
5 %igen alkoholischen Lösung der jeweiligen Substanz gegen   über    Kontrollen (0,25 ml Alkohol) aufgetragen. Nach 1   '/2   
Stunden erfolgt die Folienentfettung und nach weiteren 3
Stunden wurde die Rückfettung bestimmt.

  Die prozentuale
Steigerung der Durchsichtigkeit der abgedrückten   Klötzchen    ist proportional der vorhandenen Hautfettmenge:
Substanz mittlere Extinktionswerte
Kontrolle Behandlung Differenz
N-Acetyl-glycin hexadecylester 66,0 75,5 9,5
N-Acetyl-alanin hexadecylester 66,5 74,0 7,5
N-Benzoyl-glycin hexadecylester 62,0 78,5 16,5
N-Acetyl-sarcosin hexadecylester 77,5 86,5 9,0
N-Octanoyl-glycin 60,0 78,0 18,0
Die nachfolgenden Beispiele sollen die Erfindung näher erläutern:
Beispiel A
N-Acetyl-glycin-octadecylester
3,0 g Glycinäthylester-hydrochlorid und 15,0 g Octadecanol werden auf   100oC    erhitzt und bei dieser Temperatur 3 Stunden lang Salzsäuregas eingeleitet. Nach dem Abkühlen wird die erstarrte Schmelze in 500 ml Äther aufgeschlämmt und der feste Rückstand des   Glycinoctadecylester-hydrochlorids    abgesaugt.

  Das rohe Ester-hydrochlorid wird in Wasser aufgeschlämmt und die Base unter Rühren durch Zugabe von Natriumbikarbonat im Überschuss freigesetzt, abgesaugt und getrock net. Der Ester wird in 50 ml Acetanhydrid gegeben und eine
Stunde auf dem Wasserbad erhitzt. Anschliessend wird die Lösung in   1 l    Wasser gegeben und die entstandene Fällung des acetylierten Esters abgesaugt und getrocknet. Zur Reinigung wird das Rohprodukt 3 mal aus Petroläther umkristallisiert.



   Ausbeute: 2,1 g (26% der Theorie), Schmelzpunkt:   78-790C.   



   Beispiel B
N-Octadecanoyl-glycin
7,5 g (0,1 Mol) Glycin werden in einer Lösung von 4,0 g  (0,1 Mol) Natriumhydroxid in 150 ml Wasser gelöst. Dazu gibt man 30 g (0,1 Mol)   Octadecanoylchlorid    und schüttelt kräftig, bis das Produkt fest wird. Man säuert mit konzentrierter Salz säure an, saugt ab und wäscht mit Wasser nach. Nach dem Trocknen des Festproduktes wird es 2 mal aus Essigester umkristallisiert.



   Ausbeute: 25 g   (73 %    der Theorie), Schmelzpunkt:   120OC.   



   Analog den Beispielen A und B wurden folgende Verbin dungen hergestellt (siehe beispielsweise Rec. trav. chim. 77,
267 (1958) oder J. Am. Chem. Soc. 78, 172   (956)):   
N-Acetyl -leucin-hexadecylester
Schmelzpunkt:   37-38 C    N-Acetyl-methionin-hexadecylester
Schmelzpunkt:   59-60 C      N-Acetyl-phenylalanin-hexadecylester Schmelzpunkt:   75-760C    N-Acetyl -sarcosin-hexadecylester Schmelzpunkt: 58-59 C N -Formyl-glycin-hexadecylester Schmelzpunkt: 64-65 C N-Propionyl-glycin-hexadecylester Schmelzpunkt:   67-680C       N-Trifluoracetyl-glycin-hexadecylester    Schmelzpunkt: 68-70 C N-Benzoyl-glycin-hexadecylester Schmelzpunkt: 59-60 C N-4-Phenylbenzoyl-glycin-hexadecylester Schmelzpunkt:

   103 C N-4-Chlorbenzoyl-glyein-hexadecylester Schmelzpunkt:   85-860C    N-4-Nitrobenzoyl-glycin-hexadecylester Schmelzpunkt:   102-1030C    N -Acetyl-   -alanin-hexadecylester    Schmelzpunkt:   65-660C    N-Benzoyl -glycin-docosylester Schmelzpunkt: 78-79 C N-Acetyl-glycin-dodecylester Schmelzpunkt: 59-600C   N-Acetyl -glycin-tridecylester    Schmelzpunkt:   65-660C    N-Acetyl-glycin-tetradecylester Schmelzpunkt:   69-700C    N-Acetyl-glyein-pentadecylester Schmelzpunkt: 73-74 C   N- Acetyl-glycin-hexadecylester    Schmelzpunkt:   74-75oC    N-Acetyl-glycin-heptadecylester Schmelzpunkt:

   76-77 C N-Acetyl -glycin-octadecylester Schmelzpunkt:   78-790C      N-Acetyl-glycin-nonadecylester    Schmelzpunkt:   79-800C      N- Acetyl-glycin-eicosylester    Schmelzpunkt: 83-84 C N-Acetyl -glycin-docosylester Schmelzpunkt:   86-870C    N-Acetyl-alanin-hexadecylester Schmelzpunkt: 64-65 C N-Acetyl-alanin-octadecylester Schmelzpunkt:   70-7 10C    N-Acetyl-ss-alanin-eicosylester Schmelzpunkt: 76 C   N-Acetyl-ss-alanin-dodecylester    Schmelzpunkt: 50 C N-Benzoyl-ss-alanin-dodecylester Schmelzpunkt: 56 C N-Acetyl-4-aminobuttersäure-tetradecylester Schmelzpunkt: 580C N-Acetyl-4-aminobuttersäure-octadecylester Schmelzpunkt: 71 C N-Benzoyl-4-aminobuttersäure-octadecylester Schmelzpunkt: 76 C N-Dodecanoyl-glycin Schmelzpunkt: 

   120 C
N-Tetradecanoyl-glycin Schmelzpunkt: 1250C N-Hexadecanoyl-glycin Schmelzpunkt:   123-1260C    N-Octadecanoyl-glycin Schnelzpunkt: 1200C N-Docosanoyl-glycin Schmelzpunkt: 1210C N-Octadecanoyl-alanin Schmelzpunkt: 109 C N-Dodecanoyl-valin Schmelzpunkt: 107 C N-Tetradecanoyl-valin Schmelzpunkt:   980C    N-Octadecanoyl-valin Schmelzpunkt:   930C    N-Dodecanoyl-leucin Schmelzpunkt: 109oC N-Tetradecanoyl-leucin Schmelzpunkt: 102 C N-Hexadecanoyl-leucin Schmelzpunkt:   88-890C    N-Octadecanoyl-leucin Schmelzpunkt:   960C    N-Docosanoyl-leucin Schmelzpunkt: 980C N -Hexadecanoyl-sarcosin Schmelzpunkt:   65-660C    N-Octanoyl-glycin Schmelzpunkt: 109 C N-Decanoyl-glycin Schmelzpunkt:

   114 C     N-Hexadecanoyl -ss-alanin    Schmelzpunkt:   117-1180C    N-Benzoyl-ss-alanin Schmelzpunkt:   103-105oC      N -4-Phenylbenzoyl- -alanin    Schmelzpunkt:   103-105"C    N-Dodecanoyl-4-amino-buttersäure Schmelzpunkt:   92-93 C    N-Octadecanoyl-4-amino-buttersäure Schmelzpunkt:   100-1020C    N-Benzoyl-4-amino-buttersäure Schmelzpunkt:   88-890C    N-4   -Phenylbenzoyl-4-amino-buttersäure    Schmelzpunkt: 181 C N-Tetradecanoyl-sarcosin Schmelzpunkt:   51-520C      N-Octadecanoyl-sarcosin    Schmelzpunkt:   71-720C    N-Dodecanoyl-alanin Schmelzpunkt:   104-105oC    N-Dodecanoyl-phenylalanin Schmelzpunkt:

   100oC N-Hexadecanoyl-phenylalanin Schmelzpunkt:   98-99 C    N-Octadecanoyl -glycin-methylester Schmelzpunkt: 83-84 C N-Octadecanoyl-glycin-äthylester Schmelzpunkt: 82-83 C N-Octadecanoyl-alanin-methylester Schmelzpunkt:   76-770C    N-Octadecanoyl -phenylalanin-isopropylester Schmelzpunkt: 69-70 C
Beispiel 1
Creme mit N-Acetyl-glycin-hexadecylester Zusammensetzung: N-Acetyl-glycin-hexadecylester 3,0 g Benzalkon A 0,1 g Cremophor 0 4,0 g Glyzerinmonostearat 4,0 g Lanette 0 5,0 g Walrat 3,0 g Cetiol V 10,0g dest. Wasser ad 100,0 g
Herstellung
Benzalkon wird in 700C warmem Wasser gelöst (I). In die Schmelze (70 C) von Cremophor 0, Glyzerinmonostearat, Lanette 0, Walrat Cetiol V wird die Wirksubstanz einsuspendiert   (II).    II wird in I bei 70 C einemulgiert, anschliessend wird kaltgerührt.



   Beispiel 2
Creme mit N-Octadecanoyl-glycin Zusammensetzung: N-Octadecanoyl-glycin 1,0 g Benzalkon A 0,1 g Cremophor 0 4,0 g Glyzerinmonostearat 4,0 g Lanette 0 5,0 g Walrat   3,0 g    Cetiol V 10,0 g dest. Wasser ad 100,0 g Herstellung: analog Beispiel 1.



   Beispiel 3
Salbe mit N-Benzoyl-glycin-hexadecylester Zusammensetzung: N-Benzoyl-glycin-hexadecylester 3,0 g Cremophor 0 6,0 g Cremophor A fest 1,0 g Wollfett 2,0 g Paraffinöl 45,0g Vaseline ad 100,0 g
Herstellung
Cremophor 0, Cremophor A fest, Wollfett, Paraffinöl und Vaseline wird bei   700C    zusammengeschmolzen und die Wirksubstanz einsuspendiert, anschliessend wird kaltgerührt.



   Beispiel 4
Gel mit N-Acetyl-glycin-hexadecylester Zusammensetzung: N-Acetyl-glycin-hexadecylester 3,0 g Carbopol 940 0,6 g Triäthanolamin 0,6 g Cremophor EL 5,0 g Isopropanol 30,0 g dest. Wasser ad 100,0 g
Herstellung
Die Lösung der Wirksubstanz, Cremophor EL und Triäthanolamin in Isopropanol wird in die wässrige Lösung von Car   bopol eingerührt.   



   Beispiel 5
Badeessenz mit N-Acetyl-glycin-hexadecylester
Zusammensetzung: N-Acetyl-glycin-hexadecylester 5,0 g Texapon N 25 30,0 g Comperlan OD 5,0 g Isopropanol 20,0 g äther. Öl 2,0 g dest. Wasser ad 100,0 g
Herstellung
Die Lösung der Wirksubstanz und des ätherischen Öls in Isopropanol wird in die wässrige Lösung von Texapon N 25 und Comperlan OD eingerührt.



   Beispiel 6
Haartinktur mit N-Tetradecanol-glycin
Zusammensetzung:
N-Tetradecanoyl-glycin 0,25 g    Isoadipat    0,2 g
Parfümöl 0,1 g
Isopropanol 50,0 g dest. Wasser ad 100,0 g  
Herstellung
Die Wirksubstanz,   Isoadipat    und Parfümöl wird in Isopropanol gelöst und anschliessend unter Rühren Wasser zugegeben.



   Beispiel 7
Trockenspray mit N-Acetyl-glycin-hexadecylester Zusammensetzung: N-Acetyl-glycin-hexadecylester 3,0 g Span 85 0,4 g   Frigen 11 A    3,0 g Frigen   12/114 40:60    93,6 g
Herstellung
Die Wirksubstanz, Span 85 und Frigen 11 werden in einer
Kugelmühle vermischt. Diese   auf - 150C    abgekühlte Mischung wird in die auf -40   bis - 50 C    abgekühlte Treibgasmischung langsam eingetragen und unter Rühren abgefüllt.



   Beispiel 8
Schaum-Aerosol mit N-Benzoyl-glycin-hexadecylester Zusammensetzung: N-Benzoyl-glycin-hexadecylester 3,0 g
Cremophor EL 1,0 g Tween 80 1,2 g Texapon N 25 0,8 g Äthanol 94%ig 21,0 g Wasser dest. 57,0 g Frigen 12/114 60:40 16,0 g
Herstellung
Die Wirksubstanz wird in Äthanol gelöst (I). Cremophor
EL, Tween 80 und Texapon N 25 wird in Wasser gelöst   (II).    I wird unter Rühren in II eingetragen und das erhaltene Konzentrat in Dosen abgefüllt. Nach dem Verschliessen mit einem
Ventil wird das Treibgas eingepresst.



   Beispiel 9
Creme mit N-Benzoyl-glycin-hexadecylester Zusammensetzung: N-Benzoyl-glycin-hexadecylester 3,0 g Benzalkon A 0,1 g Cremophor 0 4,0 g Glyzerinmonostearat 4,0 g Lanette 0 5,0 g Walrat 3,0 g Cetiol V 10,0 g Vitamin-A-Acetat 30 000 I.E.



  Vitamin-E-Acetat   20 je.   



  dest. Wasser ad 100,0 g Herstellung: analog Beispiel 1
Beispiel 10
Lotio mit N-Octadecanoyl-glycin Zusammensetzung: N-Octadecanoyl-glycin 3,0 g Span 40 3,0 g Cremophor 0 2,0 g Lanette 0 2,0 g Walrat 1,0 g Cetiol V 5,0 g Paraffinöl subl. 1,0 g Nipagin M 0,1 g dest. Wasser ad 100,0 g
Herstellung
Span 40, Cremophor 0, Lanette 0, Walrat, Cetiol V und Paraffinöl wird bei 700C geschmolzen und darin die Wirksubstanz gelöst. Dest. Wasser wird auf 800C erhitzt und darin Nipagin gelöst, nach dem Abkühlen auf 700C wird die Fettschmelze eingetragen, homogenisiert und kaltgerührt.



   Beispiel 11
Shampoo mit N-Acetyl-glycin-hexadecylester Zusammensetzung: N-Acetyl-glycin-hexadecylester 3,0 g Zetesol SE 35 T 55,0 g Tylose MH 300 1,0 g Nipagin M 0,5 g dest. Wasser ad 100,0 g
Herstellung
Dest. Wasser wird auf 800C erhitzt, darin Nipagin M gelöst und Tylose suspendiert. In Zetesol und Parfümöl wird die Wirksubstanz mittels Schnellrührer verteilt, dem Tyloseschleim zugegeben, homogenisiert und entlüftet.



   Beispiel 12
Puder mit N-Acetyl-glycin-hexadecylester Zusammensetzung: N-Acetyl-glycin-hexadecylester 3,0 g Aerosil 1,0 g Magnesiumstearat 0,2 g ANM Maisstärke ad 100,0 g
Herstellung
In 1/3 der Maisstärke werden nacheinander Wirksubstanzen, Aerosil und Magnesiumstearat gegeben und gut durchmischt. Anschliessend wird die restliche Menge Maisstärke hinzugegeben und nochmals gut durchmischt.



   Beispiel 13
Paste mit N-(4'-Phenylbenzoyl)-4-aminobuttersäure Zusammensetzung:   N-(4'-Phenylbenzoyl)-4-aminobuttersäure    3,0 g Lanogen 1500 20,0 g Isopropanol 45,0 g Veegum pharm. 10,0 g Pigment und Farbstoff 1,0 g Parfümöl 0,2 g dest. Wasser ad 100,0 g
Herstellung Die Wirksubstanz wird in Lanogen bei 600C gelöst (I). Parfümöl wird in Isopropanol gelöst   (II).    Dest. Wasser wird auf   600C    erwärmt, darin Veegum verteilt und quellen gelassen.

  

  Hierzu gibt man II und I, es wird durchgeknetet und homogenisiert.



   Beispiel 14
Tinktur mit   N-B enzoyl-glycin-hexadecylester    Zusammensetzung: N-Benzoyl-glycin-hexadecylester 3,0 g Isopropanol 25, Og Äthanol 95 %ig rein 25,0 g Parfümöl 0,2 g dest. Wasser ad 100,0 g
Herstellung
Isopropanol und Äthanol werden auf   600C    erwärmt und darin   Parfütnöl    und die Wirksubstanz gelöst. Anschliessend gibt man Wasser zu, kühlt ab und filtriert.



   Auf die gleiche Weise können alle Verbindungen der For  mel I in die üblichen Zubereitungsformen eingearbeitet werden.



   Der Schutzumfang des Patentes ist beschränkt durch Art. 1, Ziff.   2.    PatG. 



  
 



   Numerous acylamino-carboxylic acid derivatives are described in the literature (see, for example, C. A. 66, 29058 (1967)); no biological activity information is given in these literature references.



   It has now surprisingly been found that the compounds of the formula I
EMI1.1
 wherein Rt is a hydrogen atom, a straight-chain or branched alkyl radical having 1 to 24 carbon atoms, a trifluoromethyl group, a phenyl radical which is optionally substituted by an alkyl group, a halogen atom or a nitro group, or a biphenyl radical; R2 is a hydrogen atom or an alkyl radical having 1 to 3 carbon atoms; R3 represents a hydrogen atom, an alkyl radical having 1 to 6 carbon atoms which is optionally substituted by a methylthio group or a benzyl radical; R4 is a hydrogen atom or a straight-chain or branched alkyl radical having 1 to 24 carbon atoms;

   and n means zero, 1 or 2, have valuable cosmetic properties, especially for skin care.



   The compounds of the formula I can, if appropriate in combination with keratolytics, disinfectants and the like, in the usual preparation forms suitable for use on the skin, such as ointments, creams, aerosols, powders, tinctures, gels, pastes, essences or lotions, e.g. B. in a concentration of 0.1 to 20%, preferably 0.25 to 5%, incorporate. The present invention thus relates to new skin care products.



   The compounds of the formula I, most of which are known from the literature, can be obtained, for example, by acylating a compound of the formula II
EMI1.2
 with a reactive derivative of an acid of the formula III Rl COOH (III).



   The acylation is preferably carried out with a reactive derivative of an acid of the formula III, e.g. B. its anhydride or halide, conveniently in a solvent such as water in the presence of a base such as sodium hydroxide or pyridine at temperatures between 0 and 100 "C.



   As already mentioned at the beginning, the compounds of the formula I have valuable cosmetic properties for the care of the skin. In particular, they have a sebum-inhibiting, skin-care and skin-moisturizing effect, the compounds of the formula I in which Rt is a lower alkyl radical, a phenyl or biphenylyl group, R2 and R3 are hydrogen atoms, R4 is a hydrogen atom or an alkyl radical having 14 to 18 carbon atoms and n the number zero, 1 or 2 have proven to be particularly effective.



   The valuable cosmetic properties of the compounds of the formula I can be demonstrated, for example, using the following method:
Determination of the influence on skin lipid using the glass block method (see Schaefer and Kuhn-Bussius, Arch. Klin. Exper. Derm., 238, 429-435 (1970)):
Roughened glass blocks are on the to be measured
Areas of skin pressed. The existing skin oil does that
Glass blocks more transparent. The transmission is then measured in the photometer. Before the measurement of the lipid regrowth of the skin, the existing skin oil is removed with plastic film.



   The substances to be examined were placed on one side of the forehead of 5 to 10 test persons with 0.25 ml of a
5% alcoholic solution of the respective substance is applied against controls (0.25 ml alcohol). After 1 '/ 2
The film is degreased after a further 3 hours
The refatting was determined for hours.

  The percentage
The increase in transparency of the pressed blocks is proportional to the amount of skin fat present:
Substance mean absorbance values
Control treatment difference
N-acetyl-glycine hexadecyl ester 66.0 75.5 9.5
N-acetyl-alanine hexadecyl ester 66.5 74.0 7.5
N-benzoyl-glycine hexadecyl ester 62.0 78.5 16.5
N-acetyl-sarcosine hexadecyl ester 77.5 86.5 9.0
N-octanoyl glycine 60.0 78.0 18.0
The following examples are intended to explain the invention in more detail:
Example A
N-acetyl-glycine-octadecyl ester
3.0 g of glycine ethyl ester hydrochloride and 15.0 g of octadecanol are heated to 100 ° C. and hydrochloric acid gas is passed in at this temperature for 3 hours. After cooling, the solidified melt is suspended in 500 ml of ether and the solid residue of the glycine octadecyl ester hydrochloride is suctioned off.

  The crude ester hydrochloride is suspended in water and the base is released with stirring by adding excess sodium bicarbonate, filtered off with suction and dried. The ester is added to 50 ml of acetic anhydride and a
Heated on the water bath for an hour. The solution is then poured into 1 l of water and the resulting precipitate of the acetylated ester is filtered off with suction and dried. For purification, the crude product is recrystallized 3 times from petroleum ether.



   Yield: 2.1 g (26% of theory), melting point: 78-790C.



   Example B.
N-octadecanoyl glycine
7.5 g (0.1 mol) of glycine are dissolved in a solution of 4.0 g (0.1 mol) of sodium hydroxide in 150 ml of water. Add 30 g (0.1 mol) of octadecanoyl chloride and shake vigorously until the product solidifies. It is acidified with concentrated hydrochloric acid, filtered off with suction and washed with water. After the solid product has dried, it is recrystallized twice from ethyl acetate.



   Yield: 25 g (73% of theory), melting point: 120 ° C.



   The following compounds were prepared analogously to Examples A and B (see, for example, Rec. Trav. Chim. 77,
267 (1958) or J. Am. Chem. Soc. 78, 172 (956)):
N-acetylleucine hexadecyl ester
Melting point: 37-38 C, N-acetyl methionine hexadecyl ester
Melting point: 59-60 C N-acetyl-phenylalanine-hexadecyl ester Melting point: 75-760C N-acetyl-sarcosine-hexadecyl ester Melting point: 58-59 CN -formyl-glycine-hexadecyl ester Melting point: 64-65 C N-propionyl-glycine-hexadecyl ester Melting point: 67-680C N-Trifluoroacetyl-glycine-hexadecyl ester Melting point: 68-70 C N-Benzoyl-glycine-hexadecyl ester Melting point: 59-60 C N-4-phenylbenzoyl-glycine-hexadecyl ester melting point:

   103 C N-4-chlorobenzoyl-glyein-hexadecyl ester melting point: 85-860C N-4-nitrobenzoyl-glycine-hexadecyl ester melting point: 102-1030C N -acetyl-alanine-hexadecyl ester melting point: 65-660C N-benzoyl-glycine-docosyl ester Melting point: 78-79 C, N-acetyl-glycine dodecyl ester, melting point: 59-600C, N-acetyl-glycine tridecyl ester, melting point: 65-660C, N-acetyl-glycine tetradecyl ester, melting point: 69-700C, N-acetyl-glycine pentadecyl ester, melting point : 73-74 C N-acetyl-glycine-hexadecyl ester melting point: 74-75oC N-acetyl-glycine-heptadecyl ester melting point:

   76-77 C N-acetyl-glycine-octadecyl ester melting point: 78-790C N-acetyl-glycine-nonadecyl ester melting point: 79-800C N-acetyl-glycine-eicosyl ester melting point: 83-84 C N-acetyl-glycine-docosyl ester melting point: 86-870C N-acetyl-alanine-hexadecyl ester melting point: 64-65 C N-acetyl-alanine-octadecyl ester melting point: 70-7 10C N-acetyl-ss-alanine-eicosyl ester melting point: 76 C N-acetyl-ss-alanine- dodecyl ester melting point: 50 C N-benzoyl-ss-alanine dodecyl ester melting point: 56 C N-acetyl-4-aminobutyric acid tetradecyl ester melting point: 580C N-acetyl-4-aminobutyric acid octadecyl ester melting point: 71 C N-benzoyl-4-aminobutyric acid octadecyl ester melting point: 76 C N-dodecanoyl glycine melting point:

   120 C
N-tetradecanoyl-glycine melting point: 1250C N-hexadecanoyl-glycine melting point: 123-1260C N-octadecanoyl-glycine melting point: 1200C N-docosanoyl-glycine melting point: 1210C N-octadecanoyl-alanine melting point: 109 C N-dodecanoyl-valine melting point: 107 C N-tetradecanoyl-valine melting point: 980C N-octadecanoyl-valine melting point: 930C N-dodecanoyl-leucine melting point: 109 ° C N-tetradecanoyl-leucine melting point: 102 C N-hexadecanoyl-leucine melting point: 88-890C N-octadecanoyl-leucine Melting point: 960C N-docosanoyl-leucine melting point: 980C N -hexadecanoyl-sarcosine melting point: 65-660C N-octanoyl-glycine melting point: 109 C N-decanoyl-glycine melting point:

   114 C N-hexadecanoyl -ss-alanine melting point: 117-1180C N-benzoyl-ss-alanine melting point: 103-105oC N -4-phenylbenzoyl-alanine melting point: 103-105 "C N -dodecanoyl-4-aminobutyric acid Melting point: 92-93 C N-octadecanoyl-4-aminobutyric acid Melting point: 100-1020C N-Benzoyl-4-aminobutyric acid Melting point: 88-890C N-4 -phenylbenzoyl-4-aminobutyric acid Melting point: 181 C N -Tetradecanoyl-sarcosine melting point: 51-520C N-octadecanoyl-sarcosine melting point: 71-720C N-dodecanoyl-alanine melting point: 104-105oC N-dodecanoyl-phenylalanine melting point:

   100 ° C N-hexadecanoyl-phenylalanine melting point: 98-99 C N-octadecanoyl-glycine methyl ester melting point: 83-84 C N-octadecanoyl-glycine ethyl ester melting point: 82-83 C N-octadecanoyl-alanine methyl ester melting point: 76-770C N-Octadecanoyl-phenylalanine-isopropyl ester Melting point: 69-70 ° C
example 1
Cream with N-acetyl-glycine-hexadecyl ester Composition: N-acetyl-glycine hexadecyl ester 3.0 g Benzalkon A 0.1 g Cremophor 0 4.0 g glycerol monostearate 4.0 g Lanette 0 5.0 g Walrat 3.0 g Cetiol V 10.0g dist. Water ad 100.0 g
Manufacturing
Benzalkon is dissolved in 700C warm water (I). The active substance is suspended in the melt (70 ° C.) of Cremophor 0, glycerol monostearate, Lanette 0, Walrat Cetiol V (II). II is emulsified in I at 70 ° C., followed by cold stirring.



   Example 2
Cream with N-octadecanoyl-glycine Composition: N-octadecanoyl-glycine 1.0 g Benzalkon A 0.1 g Cremophor 0 4.0 g glycerine monostearate 4.0 g Lanette 0 5.0 g Walrat 3.0 g Cetiol V 10, 0 g dist. Water to 100.0 g Production: analogous to Example 1.



   Example 3
Ointment with N-benzoyl-glycine-hexadecyl ester Composition: N-benzoyl-glycine hexadecyl ester 3.0 g Cremophor 0 6.0 g Cremophor A solid 1.0 g wool fat 2.0 g paraffin oil 45.0 g vaseline ad 100.0 g
Manufacturing
Cremophor 0, Cremophor A solid, wool grease, paraffin oil and Vaseline are melted together at 700C and the active substance is suspended, followed by cold stirring.



   Example 4
Gel with N-acetyl-glycine-hexadecyl ester Composition: N-acetyl-glycine hexadecyl ester 3.0 g Carbopol 940 0.6 g triethanolamine 0.6 g Cremophor EL 5.0 g isopropanol 30.0 g dist. Water ad 100.0 g
Manufacturing
The solution of the active ingredient, Cremophor EL and triethanolamine in isopropanol is stirred into the aqueous solution of Car bopol.



   Example 5
Bath essence with N-acetyl-glycine-hexadecyl ester
Composition: N-acetyl glycine hexadecyl ester 5.0 g Texapon N 25 30.0 g Comperlan OD 5.0 g isopropanol 20.0 g ethereal oil 2.0 g dist. Water ad 100.0 g
Manufacturing
The solution of the active substance and the essential oil in isopropanol is stirred into the aqueous solution of Texapon N 25 and Comperlan OD.



   Example 6
Hair tincture with N-tetradecanol glycine
Composition:
N-tetradecanoyl glycine 0.25 g isoadipate 0.2 g
Perfume oil 0.1 g
Isopropanol 50.0 g dist. Water ad 100.0 g
Manufacturing
The active substance, isoadipate and perfume oil is dissolved in isopropanol and then water is added with stirring.



   Example 7
Dry spray with N-acetyl-glycine-hexadecyl ester Composition: N-acetyl-glycine hexadecyl ester 3.0 g Span 85 0.4 g Frigen 11 A 3.0 g Frigen 12/114 40:60 93.6 g
Manufacturing
The active ingredient, Span 85 and Frigen 11 are in one
Ball mill mixed. This mixture, which has been cooled to −150 ° C., is slowly introduced into the propellant gas mixture, which has been cooled to −40 to −50 ° C., and filled with stirring.



   Example 8
Foam aerosol with N-benzoyl-glycine-hexadecyl ester Composition: N-benzoyl-glycine hexadecyl ester 3.0 g
Cremophor EL 1.0 g Tween 80 1.2 g Texapon N 25 0.8 g 94% ethanol 21.0 g distilled water. 57.0 g of Frigen 12/114 60:40 16.0 g
Manufacturing
The active substance is dissolved in ethanol (I). Cremophor
EL, Tween 80 and Texapon N 25 are dissolved in water (II). I is entered in II with stirring and the concentrate obtained is filled into cans. After closing with a
The propellant gas is injected into the valve.



   Example 9
Cream with N-Benzoyl-glycine-hexadecyl ester Composition: N-Benzoyl-glycine-hexadecyl ester 3.0 g Benzalkon A 0.1 g Cremophor 0 4.0 g Glycerine monostearate 4.0 g Lanette 0 5.0 g Walrat 3.0 g Cetiol V 10.0 g vitamin A acetate 30,000 IU



  Vitamin E Acetate 20 each.



  least. Water to 100.0 g Production: analogous to Example 1
Example 10
Lotio with N-Octadecanoyl-glycine Composition: N-Octadecanoyl-glycine 3.0 g Span 40 3.0 g Cremophor 0 2.0 g Lanette 0 2.0 g Walrat 1.0 g Cetiol V 5.0 g Paraffin oil subl. 1.0 g Nipagin M 0.1 g dist. Water ad 100.0 g
Manufacturing
Span 40, Cremophor 0, Lanette 0, Walrat, Cetiol V and paraffin oil are melted at 700C and the active substance is dissolved in them. Distilled water is heated to 80 ° C. and nipagin is dissolved in it; after cooling to 70 ° C., the fat melt is introduced, homogenized and stirred until cold.



   Example 11
Shampoo with N-acetyl-glycine-hexadecyl ester Composition: N-acetyl-glycine hexadecyl ester 3.0 g Zetesol SE 35 T 55.0 g Tylose MH 300 1.0 g Nipagin M 0.5 g dist. Water ad 100.0 g
Manufacturing
Distilled water is heated to 80 ° C., nipagin M is dissolved in it and tylose is suspended. The active substance is distributed in Zetesol and perfume oil using a high-speed mixer, added to the Tylose slime, homogenized and deaerated.



   Example 12
Powder with N-acetyl-glycine-hexadecyl ester Composition: N-acetyl-glycine hexadecyl ester 3.0 g Aerosil 1.0 g magnesium stearate 0.2 g ANM corn starch ad 100.0 g
Manufacturing
Active ingredients, Aerosil and magnesium stearate are added one after the other to 1/3 of the corn starch and mixed well. Then the remaining amount of corn starch is added and mixed well again.



   Example 13
Paste with N- (4'-phenylbenzoyl) -4-aminobutyric acid Composition: N- (4'-phenylbenzoyl) -4-aminobutyric acid 3.0 g Lanogen 1500 20.0 g isopropanol 45.0 g Veegum pharm. 10.0 g pigment and dye 1.0 g perfume oil 0.2 g dist. Water ad 100.0 g
Production The active substance is dissolved in Lanogen at 600C (I). Perfume oil is dissolved in isopropanol (II). Distilled water is heated to 60 ° C., Veegum is distributed in it and left to swell.

  

  For this you add II and I, it is kneaded and homogenized.



   Example 14
Tincture with N-Benzoyl-glycine-hexadecyl ester Composition: N-Benzoyl-glycine hexadecyl ester 3.0 g isopropanol 25, Og ethanol 95% pure 25.0 g perfume oil 0.2 g dist. Water ad 100.0 g
Manufacturing
Isopropanol and ethanol are heated to 600C and perfume oil and the active substance are dissolved in them. Then water is added, the mixture is cooled and filtered.



   In the same way, all of the compounds of the formula I can be incorporated into the usual preparation forms.



   The scope of protection of the patent is limited by Art. 1, No. 2. PatG.

 

Claims (1)

PATENTANSPRÜCHE PATENT CLAIMS I. Hautpflegemittel, gekennzeichnet durch einen Gehalt an mindestens einer Verbindung der Formel I R2 R3 II Rt - CO - N - CH - (CH2)n - COOR4 (I), worin Rt ein Wasserstoffatom einen geradkettigen oder verzweigten Alkylrest mit 1 bis 24 Kohlenstoffatomen, eine Trifluormethylgruppe, einen gegebenenfalls durch eine Alkylgruppe, ein Halogenatom oder Nitrogruppe substituierten Phenylrest oder einen Biphenylrest: R2 ein Wasserstoffatom oder einen Alkylrest mit 1 bis 3 Kohlenstoffatomen; R3 ein Wasserstoffatom, einen gegebenenfalls durch eine Methylthiogruppe substituierten Alkylrest mit 1 bis 6 Kohlenstoffatomen oder einen Benzylrest; R4 ein Wasserstoffatom oder einen geradkettigen oder verzweigten Alkylrest mit 1 bis 24 Kohlenstoffatomen; I. Skin care products, characterized in that they contain at least one compound of the formula I. R2 R3 II Rt - CO - N - CH - (CH2) n - COOR4 (I), in which Rt is a hydrogen atom, a straight-chain or branched alkyl radical with 1 to 24 carbon atoms, a trifluoromethyl group, an optionally substituted by an alkyl group, a halogen atom or a nitro group Phenyl radical or a biphenyl radical: R2 is a hydrogen atom or an alkyl radical having 1 to 3 carbon atoms; R3 represents a hydrogen atom, an alkyl radical having 1 to 6 carbon atoms which is optionally substituted by a methylthio group or a benzyl radical; R4 is a hydrogen atom or a straight-chain or branched alkyl radical having 1 to 24 carbon atoms; und n Null, 1 oder 2 bedeuten, als hautpflegende Komponente. and n is zero, 1 or 2 as a skin care component. II. Verfahren zur Herstellung des Hautpflegemittels nach Patentanspruch I, dadurch gekennzeichnet, dass man mindestens eine Verbindung der Formel I in einen oder gegebenenfalls mehrere Trägerstoffe oder ein Verdünnungsmittel einarbeitet. II. Process for the production of the skin care agent according to claim I, characterized in that at least one compound of the formula I is incorporated into one or, if appropriate, several carriers or a diluent. UNTERANSPRÜCHE 1. Mittel nach Patentanspruch I, dadurch gekennzeichnet, dass es in Form von Salben, Cremes, Aerosolen, Pudern, Tinkturen, Gelen, Pasten, Essenzen oder Lotions vorliegt. SUBCLAIMS 1. Agent according to claim I, characterized in that it is in the form of ointments, creams, aerosols, powders, tinctures, gels, pastes, essences or lotions. 2. Mittel nach Patentanspruch 1, dadurch gekennzeichnet, dass es 0,1 bis 20%, vorzugsweise 0,25 bis 5 %, einer Verbindung der Formel I und gegebenenfalls weitere hautwirksame Stoffe. z. B. Keratolytika oder Desinfizienzien, enthält. 2. Agent according to claim 1, characterized in that it contains 0.1 to 20%, preferably 0.25 to 5%, of a compound of the formula I and optionally other substances that are active on the skin. z. B. Keratolytika or disinfectants contains. 3. Verfahren nach Patentanspruch II, dadurch gekennzeichnet, dass man als Träger Salben, Cremes, Aerosole, Puder, Tinkturen, Gele, Pasten, Essenzen oder Lotions verwendet. 3. The method according to claim II, characterized in that ointments, creams, aerosols, powders, tinctures, gels, pastes, essences or lotions are used as carriers. 4. Verfahren nach Patentanspruch II, dadurch gekennzeichnet, dass man 0,1 bis 20%, vorzugsweise 0,25 bis 5%, einer Verbindung der Formel I und gegebenenfalls weitere hautwirksame Stoffe zusetzt. 4. The method according to claim II, characterized in that 0.1 to 20%, preferably 0.25 to 5%, of a compound of the formula I and optionally other substances that are active on the skin are added.
CH1034873A 1972-07-17 1973-07-16 Acylaminocarboxylic acid compsns CH600873A5 (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
DE2234399A DE2234399A1 (en) 1972-07-17 1972-07-17 SKIN PROTECTION PRODUCTS
AT608773A AT338434B (en) 1972-07-17 1973-07-11 COSMETIC SKIN CARE PRODUCTS
JP48079223A JPS4985244A (en) 1972-07-17 1973-07-13
DK392873A DK133537C (en) 1972-07-17 1973-07-16 MEDIUM FOR COSMETIC SKIN CARE
GB3369973A GB1436614A (en) 1972-07-17 1973-07-16 Dermatological compositions
BE133542A BE802414A (en) 1972-07-17 1973-07-16 SKIN PROTECTION PRODUCTS
CH1034873A CH600873A5 (en) 1972-07-17 1973-07-16 Acylaminocarboxylic acid compsns
DD172459A DD107591A5 (en) 1972-07-17 1973-07-16
CA176,467A CA1022849A (en) 1972-07-17 1973-07-16 Dermatological compositions comprising acylamino-carboxylic acid derivatives
AU58129/73A AU483797B2 (en) 1972-07-17 1973-07-16 Dermatological compositions
NL7309851A NL7309851A (en) 1972-07-17 1973-07-16
FR7326126A FR2192795B1 (en) 1972-07-17 1973-07-17
US05/596,852 US4016287A (en) 1972-07-17 1975-07-17 Dermatological compositions containing an acylamino-carboxylic acid or an alkyl ester thereof

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE2234399A DE2234399A1 (en) 1972-07-17 1972-07-17 SKIN PROTECTION PRODUCTS
US37975173A 1973-07-16 1973-07-16
CH1034873A CH600873A5 (en) 1972-07-17 1973-07-16 Acylaminocarboxylic acid compsns
GB3369973A GB1436614A (en) 1972-07-17 1973-07-16 Dermatological compositions
FR7326126A FR2192795B1 (en) 1972-07-17 1973-07-17

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CH600873A5 true CH600873A5 (en) 1978-06-30

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AT (1) AT338434B (en)
AU (1) AU483797B2 (en)
BE (1) BE802414A (en)
CA (1) CA1022849A (en)
CH (1) CH600873A5 (en)
DD (1) DD107591A5 (en)
DE (1) DE2234399A1 (en)
DK (1) DK133537C (en)
FR (1) FR2192795B1 (en)
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FR2192795A1 (en) 1974-02-15
NL7309851A (en) 1974-01-21
AU483797B2 (en) 1975-01-16
ATA608773A (en) 1976-05-15
DK133537B (en) 1976-06-08
DK133537C (en) 1976-10-25
DE2234399A1 (en) 1974-01-31
GB1436614A (en) 1976-05-19
FR2192795B1 (en) 1977-05-13
BE802414A (en) 1974-01-16
JPS4985244A (en) 1974-08-15
CA1022849A (en) 1977-12-20
DD107591A5 (en) 1974-08-12
AU5812973A (en) 1975-01-16
AT338434B (en) 1977-08-25

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