Glutaryl 7-ACA derivatives and processes for obtaining them

US5750682A · kind A · utility

Assignee

• Antibioticos S.p.A. · ES

Inventors

• Loris Sogli · Novara, IT
• Davide Longoni · Pioltello, IT
• Giovanni Pozzi · Carate Brianza, IT
• Enrico Siviero · Pavia, IT
• Daniele Mario Terrassan
• Ermanno Bernasconi · Tradate, IT
• Francisco Salto · Madrid, ES

Key dates

• Filing date: Mar 13, 1996
• Grant date: May 12, 1998
• Expiry date: Mar 13, 2016

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D501/00
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

There are disclosed new compounds of formula (I), wherein R is: a hydrogen atom: a linear or branched C1-C4 alkyl group, unsubstituted or substituted by at least a phenyl group or at least a hydrogen atom: a benzyl group substituted by at least a linear or branched C1-C4 alkyl or alkoxy group or a nitro group; a silyl substituted by at least a linear or branched, unsubstituted or substituted C1-C4 alkyl group; n is 0 or 1; and Y is a radical of formula (II), wherein A is H, OH, Cl, CH2, CH2X, where X is F, Cl, Br, I, OH or OR' and R' is COCH3 or a linear or branched, unsubstituted or substituted C1-C4 alkyl group and . . . represents a single or a double bond, with the proviso that when n=0 and R is H, R' is not a methyl group; and processes for obtaining them.