Process for the manufacture of bridged monobactam intermediates
申请人:Muller Marc
公开号:US20110178291A1
公开(公告)日:2011-07-21
A process for manufacturing a compound of Formula (I) which has cis-conformation and wherein R1 represents a 1-phenyl-C
1
-C
4
alkyl or 1-naphthyl-C
1
-C
4
alkyl group, wherein the phenyl or naphthyl moiety of R1 is unsubstituted or substituted with one or more C
1
-C
4
alkoxy groups and the carbon atoms in 2-, 3-, and/or 4-position of the alkyl part of R1 are, independently of the phenyl or naphthyl moiety of R1 and independently of one another, unsubstituted or substituted with C
1
-C
4
alkoxy and/or silyloxy or, preferably, are unsubstituted or substituted with one C
1
-C
4
alkoxy group and/or silyloxy group per carbon atom, and R2 represents a C
1
-C
6
alkyl group or an unsubstituted or substituted benzyl group, in which process a compound of Formula (II) wherein R3 represents a C
1
-C
6
alkyl group or an unsubstituted or substituted benzyl group, and R1 and R2 have the same meaning as in formula (I); is treated with a base at a temperature of 0° C. or less in a liquid aprotic solvent for a time period sufficient to obtain the compound of formula (I).
C1-C6Alkyloxy- or benzyloxy-carbonyl esters of -3-[(E)-(1-phenyl or naphthyl C1-C4alkyl)-imino]-propyl}-amino)-acetic acid, which are intermediates for producing known bridged monobactam compounds useful in the treatment of bacterial infections.
[EN] PROCESS FOR THE MANUFACTURE OF BRIDGED MONOBACTAM INTERMEDIATES<br/>[FR] PROCÉDÉ DE FABRICATION D'INTERMÉDIAIRES DE MONOBACTAM PONTÉ
申请人:BASILEA PHARMACEUTICA AG
公开号:WO2009037229A1
公开(公告)日:2009-03-26
A process for manufacturing a compound of Formula (I) which has cis-conformation and wherein R1 represents a 1-phenyl-C1-C4alkyl or 1-naphthyl-C1-C4alkyl group, wherein the phenyl or naphthyl moiety of R1 is unsubstituted or substituted with one or more C1-C4alkoxy groups and the carbon atoms in 2-, 3-, and/or 4-position of the alkyl part of R1 are, independently of the phenyl or naphthyl moiety of R1 and independently of one another, unsubstituted or substituted with C1-C4alkoxy and/or silyloxy or, preferably, are unsubstituted or substituted with one C1-C4alkoxy group and/or silyloxy group per carbon atom, and R2 represents a C1-C6alkyl group or an unsubstituted or substituted benzyl group, in which process a compound of Formula (II) wherein R3 represents a C1-C6alkyl group or an unsubstituted or substituted benzyl group, and R1 and R2 have the same meaning as in formula (I); is treated with a base at a temperature of 0°C or less in a liquid aprotic solvent for a time period sufficient to obtain the compound of formula (I).
PROCESS FOR THE MANUFACTURE OF BRIDGED MONOBACTAM INTERMEDIATES
申请人:Muller Marc
公开号:US20130274503A1
公开(公告)日:2013-10-17
C1-C6Alkyloxy- or benzyloxy-carbonyl esters of -3-[(E)-(1-phenyl or naphthyl C1-C4alkyl)-imino]-propyl}-amino)-acetic acid, which are intermediates for producing known bridged monobactam compounds useful in the treatment of bacterial infections.