C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 217/48 (2006.01) A61K 31/135 (2006.01) A61K 31/24 (2006.01) C07C 219/22 (2006.01)
Patent
CA 2712489
Esters derived from 2-amino-2-phenylalkanol of general formula (I) in which: R1 is H, straight or branched C1 to C4 alkyl, straight or branched C2 to C4 alkyl substituted by OH, alkoxy, alkylthio, acyloxy, NH2, alkylamino, dialkylamino, alkylcarbamoyloxy, alkoxycarbonylamino, ureido or alkylureido, R2 is a -CO-R radical in which R is H, alkyl, aryl, heterocyclyl, benzyl or heterocyclylmethyl, or else R2 is a -CO-Y-R4 radical for which Y is -O-, -S-, -NH-, or -Nalk- for which alk is straight or branched (C1 to C4) alkyl, and R4 is alkyl, aryl, aralkyl or heterocyclylalkyl, which may be substituted by one or more halogen atoms or OH radicals, straight or branched (C1 to C4) alkyl radicals, or straight or branched (C1 to C4) alkoxy, alkylthio, acylaminoalkylthio, alkoxycarbonyl or acylamino radicals, or oxo radicals, or which may be substituted by R5COO- in which R5 is an alkyl optionally substituted by benzyloxycarbonylamino, acylamino or by the residue of an amino acid, or represents a heterocycle, or else R2 is a (C2 to C4) alkyl substituted by OH, alkoxy, alkylthio, acyloxy, NH2, alkylamino, dialkylamino optionally forming, with the nitrogen atom to which they are attached, a 5-or 6-membered heterocycle optionally bearing another heteroatom (O or N), or substituted by alkylcarbamoyloxy, alkoxycarbonylamino, ureido or alkylureido, it being understood that said straight or branched substituted alkyl radical comprises at least C2 between >N-R2 and the substituent; and R3 is a straight or branched (C1 to C4) alkyl unless specifically mentioned, alkyl or acyl are straight or branched (C1 to C7), in their R or S forms or mixtures thereof, and also the pharmaceutically acceptable salts thereof when they exist.
2-amino-2-phenyl-alkanol ester derivatives of general formula (I) in which: R1 is H, straight or branched 1 to 4C alkyl, straight or branched 2 to 4C alkyl substituted by OH, alkoxy, alkylthio, acyloxy, NH2, alkylamino, dialkylamino, alkylcarbamoyloxy, alkoxycarbonylamino, ureido or alkylureido, R2 is a -CO-R radical in which R is H, alkyl, aryl, heterocyclyl, benzyl or heterocyclylmethyl, or R2 is a -CO-Y-R4 radical for which Y is -O-, -S-, -NH-, -Nalk- for which alk is straight or branched (1 to 4C) alkyl, and R4 is alkyl, aryl, aralkyl or heterocyclylalkyl, capable of being substituted by one or more halogen atoms or OH radicals, straight or branched (1 to 4C) alkyl, alkoxy, alkylthio, acylaminoalkylthio, alkoxycarbonyl or acylamino (1 to 4C) straight or branched, or oxo, or capable of being substituted by R5COO- in which R5 is alkyl optionally substituted by benzyloxycarbonylamino, acylamino or by an amino acid residue, or represents an heterocyclyl radical, or R2 is alkyl (2 to 4C) substituted by OH, alkoxy, alkylthio, acyloxy, NH2, alkylamino, dialkylamino optionally forming, with the nitrogen atom to which they are attached, a 5- or 6-member heterocycle optionally having another heteroatom (O or N), or substituted by alkylcarbamoyloxy, alkoxycarbonylamino, ureido or alkylureido, it being understood that said straight or branched substituted alkyl radical comprises at least 2C between >N-R2 and the substituent; and R3 is alkyl (1 to 4C) straight or branched unless specifically mentioned, alkyl or acyl are straight or branched (1 to 7C), in their R or S forms or their mixtures, as well as their pharmaceutically acceptable salts when these exist. (see formula I)
Denis Alexis
Dini Christophe
Pachot Jean
Denis Alexis
Oroxcell
Sim & Mcburney
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