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US 2004/0176305 A1Published application
Novel compounds useful in pain management
AssigneesAstraZeneca AB, Cornell Research Foundation, Inc.
InventorsPeter Schiller, Hazel Szeto
Life of this patent
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Abstract
Compounds of the formula I 1 are disclosed and claimed in the present application, as well as their pharmaceutically acceptable salts, pharmaceutical compositions comprising the novel compounds and their use in therapy, particular in the management of pain, and more particularly in the management of pain during labor.
Claims16
A compound of the formula I
- 4
- wherein
- R1 is selected from
- (i) linear or branched C1-C6 alkyl;
- (ii) C1-C6 alkoxy;
- R2 is selected from
- (i) hydrogen;
- (ii) linear or branched C1-C6 alkyl;
- (iii) C1-C6 alkoxy;
- R3 and R is each and independently selected from
- (i) hydrogen;
- (ii) linear or branched C1-C6 alkyl;
- 5
- R5, R6, R7, R8 and R9 is each and independently selected from
- (i) hydrogen;
- (ii) halogen, where “halogen” encompasses chloro, fluoro, bromo and iodo;
- and
- (iii) linear or branched C1-C6 alkyl;
- and.
- n is an integer of from 1 to 5;
- as well as pharmaceutically and pharmacologically acceptable salts thereof.
18 more elements
A compound according to any one of the previous claims, in form of its hydrochloride salt, acetate salt or trifluoroacetate salt.
Dependencies are inferred from the claim text.