Patent number: 6380197
Abstract: Provided herein are novel polyhydroxyalkylpyrazine derivatives useful in treating and preventing a plethora of diseases including diabetes, having a general formula of
wherein Rc1 represents the chain (II) —CH(OR4)CH(OR3)CH(OR2)CH2OR1 and either Rc2 represents a hydrogen atom and either Rc3 represents the chain (III)—CH2CH(OR6)CH(OR7)CH2OR8 or Rc2 represents the chain (IV)—CH(OR5)CH(OR6)CH(OR7)CH2OR8 or chain (III) —CH2CH(OR6)CH(OR7)CH2OR8 and Rc3 represents a hydrogen atom, and 1 to 8 substituents R1, R2, R3, R4, R5, R6, R7, R8, identical or different, represent a radical independently selected among the radicals a) —COR9, b) —COOR10, c) —CR11R12OCOR13, d) —CR11R12OR13, e) —CONR14R15, and f) one or more pairs of the substituents R1, R2, R3, R4, R6, R7, R8, consecutive or separated by one of the other substituents R2, R3, R6, R7 can also form a group: —C(O)—; the other substituents R1, R2, R3, R4, R6, R7, R8 are hydrogen atoms
Type:
Grant
Filed:
January 18, 2000
Date of Patent:
April 30, 2002
Assignee:
Aventis Pharma S. A.
Inventors:
Hervé Bouchard, Alain Commercon, Jean-François Peyronel, Corinne Terrier
Patent number: 5840931
Abstract: This invention relates to compounds of the formula (I), preparation thereof, and pharmaceutical compositions containing them: ##STR1## wherein: R.sub.a is hydrogen, hydroxyl, alkoxy, acyloxy, or an alkoxyacetoxy radical; R.sub.b is hydrogen; or R.sub.a and R.sub.b, together with the carbon atom to which they are attached, form a ketone function; Z represents a hydrogen atom or a radical of formula (II): ##STR2## in which: R.sub.1 represents an optionally substituted benzoyl, thenoyl, furoyl, or R.sub.2 --O--CO-- radical where R.sub.2 is an alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, bicycloalkyl, or an optionally substituted phenyl or heterocyclic radical; R.sub.3 is an aromatic heterocyclic, alkyl, alkenyl, alkynyl, cycloalkyl, or a phenyl or naphthyl radical; R.sub.4 is alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, bicycloalkyl, aryl, or heterocyclic radical; and R.sup.5 is an optionally substituted cycloalkenyl, alkyl, alkenyl, alkynyl, or cycloalkyl radical.
Type:
Grant
Filed:
April 24, 1997
Date of Patent:
November 24, 1998
Assignee:
Rhone-Poulenc Rorer S.A.
Inventors:
Herve Bouchard, Jean-Dominique Bourzat, Alain Commer.cedilla.on, Corinne Terrier, Martine Zucco