Patent ID: 7592344

Claim:
A compound corresponding to formula I: wherein R1 is selected from the group consisting of hydrogen and C 1 to C 4 alkyl; R2 is halogen; R3 is halogen; R4 is selected from the group consisting of 2-furanyl, 3-furanyl, 2-thiophene, 3-thiophene, phenyl, benzyl, 2-benzofuranyl, 3-benzofuranyl, 5-chloro-2-thiophene, 4-methylphenyl, 3,4-methylenedioxyphenyl, 2-methoxyphenyl, 4-methoxyphenyl, 2-pyridinyl, 3-pyridinyl, 1-benzo[c]thiophene, 4-benzo[c]thiophene, 5-benzo[c]thiophene, 2-benzo[b]thiophene, 3-benzo[b]thiophene, 4-benzo[b]thiophene, 5-benzo[b]thiophene, 6-benzo[b]thiophene, 7-benzo[b]thiophene, 1-benzo[1,3]dioxole, 4-benzo[1,3]dioxole, and 5-benzo[1,3]dioxole; R5 is selected from the group consisting of hydrogen or R6; R6 represents a subgroup of the formula wherein R7 is selected from the group consisting of hydrogen or C 1 to C 4 alkanoyl, or together with another substituent, selected from the group consisting of R8, R9, R10 and R11, may form a 5- or 6-ring bridged by carbonyl, or by methylene optionally substituted by C 1 to C 4 alkyl or C 4 to C 5 alkylene; R8 is selected from the group consisting of hydrogen or C 1 to C 4 alkanoyl, or together with another substituent, selected from the group consisting of R7, R9, R10 and R11, may form a 5- or 6-ring bridged by carbonyl, or by methylene optionally substituted by C 1 to C 4 alkyl or C 4 to C 5 alkylene; R9 is selected from the group consisting of hydrogen or C 1 to C 4 alkanoyl, or together with another substituent, selected from the group consisting of R7, R8, R10 and R11, may form a 5- or 6-ring bridged by carbonyl, or by methylene optionally substituted by C 1 to C 4 alkyl or C 4 to C 5 alkylene; R10 is selected from the group consisting of hydrogen or C 1 to C 4 alkanoyl, or together with another substituent, selected from the group consisting of R7, R8, R9 and R11, may form a 5- or 6-ring bridged by carbonyl, or by methylene optionally substituted by C 1 to C 4 alkyl or C 4 to C 5 alkylene; R11 is selected from the group consisting of hydrogen and C 1 to C 4 alkanoyl, or together with R7, R8, R9 or R10 forms a 5- or 6-member ring bridged by carbonyl or by methylene optionally substituted by C 1 to C 4 alkyl or C 4 to C 5 alkylene; k is 0 or 1; l is 0 or 1; m is 0 or 1, and n is 0 or 1; or a physiologically compatible acid addition salt thereof.