Bicyclic naphthalenic derivatives, a process for preparing the same and human or veterinary medicines and cosmetic compositions containing said derivatives

Claim 2

A bicyclic naphthalenic compound having the formula ##STR17## wherein A represents methylene or dimethylene, substituted or not by lower alkyl having 1-6 carbon atoms, R 1 , R 2 , R 3 and R 4 , each independently, represent hydrogen or lower alkyl having 1-6 carbon atoms, or R 1 and R 3 taken together form a methylene or dimethylene bridge when A represents dimethylene, R' represents hydrogen, OH, alkoxy having 1-4 carbon atoms, acyloxy having 1-4 carbon atoms or amino, R" represents hydrogen or alkoxy having 1-4 carbon atoms, or R' and R" taken together form an oxo, methano or hydroxyimino group, R represents --CH 2 OH or --COR 5 , R 5 represents hydrogen, OR 6 or ##STR18## R 6 represents hydrogen, alkyl having 1-20 carbon atoms, monohydroxyalkyl, polyhydroxyalkyl, phenyl or phenyl substituted by halogen, --OH, --NO 2 , lower alkyl having 1-6 carbon atoms, trifluoromethyl or a carboxylic acid function, benzyl or phenethyl, the residue of glucose, mannose, erythrose or galactose or ##STR19## p is 1, 2 or 3, and r' and r", each independently, represent hydrogen, lower alkyl having 1-6 carbon atoms, monohydroxyalkyl, monohydroxyalkyl interrupted by a heteroatom, polyhydroxyalkyl, aryl or benzyl, the residue of an amino acid, an aminoester, glucosamine, galactosamine, mannosamine or meglumine, or r' and r" together with the nitrogen atom to which they are attached, form a heterocycle substituted or unsubstituted, and the salts of said compounds of formula (I) or the optical isomers thereof.

Claim 3

The compound of claim 1 wherein said monohydroxyalkyl is 2-hydroxy ethyl, 2-hydroxy propyl or 2'-hydroxy-2-ethoxyethyl.

Claim 4

The compound of claim 1 wherein said polyhydroxyalkyl radical is 2,3-dihydroxypropyl, 1,3-dihydroxy-2-propyl or the residue of pentaerythritol.

Claim 5

The compound of claim 1 wherein said alkoxy radical is methoxy, isopropoxy, butoxy or tert.butoxy.

Claim 6

The compound of claim 1 wherein r' and r" taken together with the nitrogen atom to which they are attached form piperidino, piperazino, morpholino, pyrrolidino or 4-(2'-hydroxyethyl) piperazino.

Claim 7

The compound of claim 1 having the formula ##STR20## wherein R' represents hydrogen or OH, R" represents hydrogen, or R' and R" taken together form oxo, R represents CH 2 OH or --COOR 6 , wherein R 6 represents hydrogen or alkyl having 1-6 carbon atoms, and R 7 represents hydrogen or methyl.

Claim 8

The compound of claim 1 having the formula ##STR21## wherein R 1 , R 2 , R 3 and R 4 represent --CH 3 , R' represents hydrogen, OH, alkoxy having 1-4 carbon atoms or acyloxy having 1-4 carbon atoms, R" represents hydrogen, or R' and R" taken together form oxo or methano, and R represents --CH 2 OH or --COR 5 , wherein R 5 represents hydrogen, --OR 6 or ##STR22## R 6 represents hydrogen or alkyl having 1-6 carbon atoms, and r' and r" represent hydrogen, alkyl having 1-6 carbon atoms, 4-hydroxyphenyl, 2'-hydroxy-2-ethoxyethyl or 1-carboxy-3-methylthiopropyl.

Claim 9

The compound of claim 1 having the formula ##STR23## wherein R' and R" taken together form oxo, R represents --COR 5 , R 5 represents --OR 6 or ##STR24## R 6 represents hydrogen or alkyl having 1-6 carbon atoms, and r' and r" represents hydrogen or alkyl having 1-6 carbon atoms.

Claim 10

The compound of claim 1 selected from the group consisting of (1) 6-[(1,1,3,3, tetramethyl-5-indanyl) carbonyl] 2-methyl naphthalene carboxylate, (2) 6-[(1,1,3,3, tetramethyl-5-indanyl) carbonyl] 2-naphthalene carboxylic acid, (3) 6-[(1,1,2,3,3, pentamethyl-5-indanyl) carbonyl] 2-methyl naphthalene carboxylate, (4) 6-[(1,1,2,3,3, pentamethyl-5-indanyl) carbonyl] 2-naphthalene carboxylic acid, (5) 6-[(1,1,2,3,3, pentamethyl-5-indanyl) hydroxymethyl] 2-naphthalene carboxylic acid, (6) 6-[(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthyl) hydroxymethyl] 2-naphthalene carboxamide, (7) N-ethyl 6-[(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthyl) hydroxymethyl] 2-naphthalene carboxamide, (8) 1-[(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthyl)-1-(6-carboxy-2-naphthyl) methane, (9) N-ethyl 6-[(1,1,3,3-tetramethyl-5-indanyl) carbonyl] 2-naphthalene carboxamide, (10) N-ethyl 6-[(1,1,2,3,3-pentamethyl-5-indanyl) carbonyl] 2-napthalene carboxamide, (11) N-ethyl 6-[(1,1,2,3,3 -pentamethyl-5-indanyl) hydroxymethyl] 2-naphthalene carboxamide, (12) 6-[(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthyl) acetoxymethyl] 2-napthalene carboxylic acid, (13) 6-[2-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthyl) 2-ethenyl] 2-methyl naphthalene carboxylate, (14) 6-[2-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthyl)-2-ethenyl] 2-naphthalene carboxylic acid, (15) 6-[(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthyl) hydroxymethyl] 2-napthalene carbinol, (16) 6-[(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthyl) butoxymethyl] 2-naphthalene carbinol, (17) 6-[(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthyl) butoxymethyl] 2-napthalene carboxylic acid, (18) 6-[(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthyl) hydroxymethyl] 2-naphthaldehyde, (19) 6-[(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthyl) hydroxyiminomethyl] 2-ethyl naphthalene carboxylate, (20) 6-[(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthyl) hydroxyiminomethyl] 2-naphthalene carboxylic acid, (21) N-ethyl 6-[(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthyl) hydroxyiminomethyl] 2-naphthalene carboxamide, (22) 6-[(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthyl) aminomethyl] 2-ethyl napthalene carboxylate, (23) 6-[(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthyl) aminomethyl] 2-napthalene carboxylic acid, (24) 6-[(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthyl) carbonyl] 2-napthalene carboxylic acid and its methyl ester, (25) N-ethyl 6-[(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthyl) carbonyl] 2-naphthalene carboxamide, (26) 6-[(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthyl) carbonyl] 2-naphthalene carboxaldehyde, (27) 6-[(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthyl) carbonyl] 2-naphthalene carbinol, (28) N(2'-hydroxy-2-ethoxyethyl) 6-[5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthyl) carbonyl] 2-naphthalene carboxamide, (29) N-p-hydroxyphenyl 6-[(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthyl) carbonyl] 2-napthalene carboxamide, (30) N-(1-ethoxycarbonyl-3-methylthiopropyl) 6-[(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthyl) carbonyl] 2-naphthalene carboxamide, (31) N-(1-carboxy-3-methylthiopropyl) 6-[(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthyl) carbonyl] 2-naphthalene carboxamide, (32) 6-[(5,8-methano-5,6,7,8-tetrahydro-2-naphthyl) carbonyl] 2-naphthalene carboxylic acid and its methyl ester, (33) 6-[(5,6,7,8-tetrahydro-2-naphthyl) carbonyl] 2-naphthalene carboxylic acid and its methyl ester, and (34) N-ethyl 6-[(5,6,7,8-tetrahydro-2-naphthyl) carbonyl] 2-naphthalene carboxamide.

Claim 11

A process for preparing the compound of claim 1 comprising reacting in an organic solvent medium under Friedel Crafts reaction conditions an acid chloride of the formula ##STR25## on a naphthalenic compound of the formula ##STR26## wherein A, R 1 to R 4 have the meanings given in claim 1, and R 6 is alkyl having 1-20 carbon atoms, saponifying, if necessary, the resulting keto-ester into the corresponding keto-acid and subsequently transforming said keto-acid into the corresponding amide by reacting said keto-acid with an amine of the formula ##STR27## wherein r' and r" have the same meanings as given in claim 1 or by transforming said keto-acid into hydroxyacid, methanoacid, hydroxyiminoacid, methylene acid or diol and optionally oxidizing said diol into a corresponding aldehyde alcohol or keto-aldehyde or to the optional transformation thereof into an acyloxy or alkoxy derivative.

Claim 12

The process of claim 10 wherein the condensation reaction is carried out in the presence of anhydrous aluminum chloride in 1,2-dichloroethane at a temperature ranging from 0° to 25° C. with stirring.

Claim 13

The process of claim 10 wherein the preparation of the amide is carried out in the presence of N,N'-carbonyldiimidazole.

Claim 14

The process of claim 10 wherein the reduction of the keto-acid into the corresponding hydroxy acid is effected in the presence of sodium borohydride in tetrahydrofuran.

Claim 15

The process of claim 10 wherein the aldehyde alcohol and the keto-aldehyde are obtained by oxidation of the diol with pyridinium chlorochromate, the corresponding diol resulting from the reduction reaction of said keto-acid in the presence of lithium aluminium hydride.

Claim 16

The process of claim 10 wherein the compounds of formula (I) wherein R'=R"=H are obtained by reduction with zinc of corresponding ketonic derivatives in acetic acid in the presence of sulfuric acid.

Claim 17

The process of claim 10 wherein the compounds of formula (I) wherein R' and R"=methano are obtained by reaction of the correspondiing ketonic compounds with a mixture of triphenylmethyl phosphonium bromide and sodium amide.

Claim 18

The process of claim 10 wherein the compounds of formula (I) wherein R' and R"=hydroxyimino are obtained by reaction of ketonic compounds with hydroxylamine hydrochloride in an organic solvent in the presence of a base.

Claim 19

A medicine comprising a compound of claim 1 and a pharmaceutically acceptable vehicle.

Claim 20

A medicine of claim 18 administered in a daily dosage of about 2 μg/kg to 2 mg/kg of body weight.

Claim 21

A pharmaceutical composition comprising in a pharmaceutically acceptable vehicle suitable for enteral, parenteral, topical or ocular administration, at least one compound of claim 1.

Claim 22

The composition of claim 20 provided in a form for topical or ocular administration, said composition containing said compound in an amount ranging from 0.0005 to about 5 percent by weight based on the total weight of said composition.

Claim 23

A method for treating a person suffering from a dermotologic, respiratory or opthalomogic disorder comprising administering to said person an effective amount of the composition of claim 20.

Claim 24

A cosmetic composition for body or hair hygiene comprising in a cosmetically acceptable vehicle at least one compound of claim 1.

Claim 25

A cosmetic composition of claim 23 wherein said compound is present in an amount ranging from 0.0005 to 2 percent by weight based on the total weight of said composition.

Claim 26

The cosmetic composition of claim 23 wherein said compound is present in an amount ranging from 0.01 to 1 percent by weight based on the total weight of said composition.

Claim 27

N-ethyl 6-[(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthyl) carbonyl] 2-naphthalene carboxamide.

Claim 28

N-ethyl 6-[(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthyl) carbonyl] 2-naphthalene carboxamide.

Claim 29

A medicine comprising the compound of claim 26 and a pharmaceutically acceptable vehicle.

Claim 30

A pharmaceutical composition comprising in a pharmaceutically acceptable vehicle suitable for enteral, parenteral, topical or ocular administration, the compound of claim 26.

Claim 31

A method for treating a person suffering from a dermatologic, respiratory or ophthalomogic disorder comprising administering to said person an effective amount of the composition of claim 28.

Claim 32

A cosmetic composition for body or hair hygiene comprising in a cosmetically acceptable vehicle the compound of claim 26.