| 摘要 |
The present invention provides a compound represented by the formula:;;wherein R1 is a C1-4 alkyl; R2 is (1) a 5- to 7-membered nitrogen-containing heterocyclic group which may have a substituent selected from the group consisting of (1′) a halogen, (2′) a hydroxy group, (3′) a C1-4 alkyl and (4′) a C1-4 alkoxy, (2) a phenyl which may have a substituent selected from the group consisting of (1′) a halogen, (2′) a C1-4 alkoxy-C1-4 alkyl, (3′) a mono-C1-4 alkyl-carbamoyl-C1-4 alkyl, (4′) a C1-4 alkoxy and (5′) a mono-C1-4 alkylcarbamoyl-C1-4 alkoxy, or the like; R3 is a C1-4 alkyl; R4 is a C1-4 alkoxy, or the like; n is an integer of 1 to 4; or a salt thereof, as a thienopyrimidine compound having gonadotropin-releasing hormone antagonistic activity. |
| 主权项 |
1. A method for antagonizing gonadotropin-releasing hormone, which comprises administering an effective amount of the compound represented by formula (I): wherein R1 is a C1-4 alkyl; R2 is (1) a C1-6 alkyl which may have a substituent selected from the group consisting of (1′) a hydroxy group, (2′) a C1-4 alkoxy, (3′) a C1-4 alkoxy-carbonyl, (4′) a di-C1-4 alkyl-carbamoyl, (5′) a 5- to 7-membered nitrogen-containing heterocyclic group, (6′) a C1-4 alkyl-carbonyl and (7′) a halogen, (2) a C3-8 cycloalkyl which may have (1′) a hydroxy group or (2′) a mono-C1-4 alkyl-carbonylamino, (3) a 5- to 7-membered nitrogen-containing heterocyclic group which may have a substituent selected from the group consisting of (1′) a halogen, (2′) a hydroxy group, (3′) a C1-4 alkyl and (4′) a C1-4 alkoxy, (4) a phenyl which may have a substituent selected from the group consisting of (1′) a halogen, (2′) a C1-4 alkoxy-C1-4 alkyl, (3′) a mono-C1-4 alkyl-carbamoyl-C1-4 alkyl, (4′) a C1-4 alkoxy and (5′) a mono-C1-4 alkyl-carbamoyl-C1-4 alkoxy, or (5) a C1-4 alkoxy; R3 is a C1-4 alkyl; R4 is (1) a hydrogen atom, (2) a C1-4 alkoxy, (3) a C6-10 aryl, (4) a N—C1-4 alkyl-N—C1-4 alkylsulfonylamino, (5) a hydroxyl group, or (6) a 5- to 7-membered nitrogen-containing heterocyclic group which may have a substituent selected from the group consisting of (1′) oxo, (2′) a C1-4 alkyl, (3′) a hydroxy-C1-4 alkyl, (4′) a C1-4 alkoxy-carbonyl, (5′) a mono-C1-4 alkyl-carbamoyl and (6′) a C1-4 alkylsulfonyl; n is an integer of 1 to 4; provided that when R2 is a phenyl which may have a substituent, R4 is a 5- to 7-membered nitrogen-containing heterocyclic group which may have a substituent selected from the group consisting of (1) oxo, (2) a hydroxy-C1-4 alkyl, (3) a C1-4 alkoxy-carbonyl, (4) a mono-C1-4 alkyl-carbamoyl and (5) a C1-4 alkylsulfonyl; or a salt thereof to a mammal. |
