Patent ID: 7019001

Claim:
A compound of formula wherein R is lower alkoxy or halogen; R 11 and R 21 , together with the N atom to which they are attached, form a heterocyclic ring, said heterocyclic ring being unsubstituted or substituted by lower alkyl, selected from the group consisting of 2-oxa-5-aza-bicyclo[2.2.1]heptane, 3-endo-hydroxy-8-aza-bicyclo[3.2.1]octane, 2-aza-bicyclo[2.2.2]octane, 1-oxo-2,8-diaza-spiro[4.5]decane, 3-aza-spiro[5.5]undecane, 8-aza-spiro[4.5]decane, 1-oxa-8-aza-spiro[4.5]decane, 1,8,8-trimethyl-3-aza-bicyclo[3.2.1]octane, [1,4]oxazepane, 2-oxa-5-aza-bicyclo[2.2.2]octane, 8-oxa-3-aza-bicyclo[3.2.1]octane, 1,4-diaza-bicyclo[3.2.1]octane, 2-aza-bicyclo[2.2.1]heptane and 3-aza-bicyclo[3.2.1]octane, or piperidin-1-yl, substituted by a substituent selected from the group —(CH 2 ) n —NR′S(O) 2 -lower alkyl, —C(O)NR′ 2 and —(CH 2 ) n -phenyl, said phenyl ring being unsubstituted or substituted by lower alkyl, and R′ being independently selected from hydrogen and lower alkyl; X is —CH 2 —; and n is 0, 1, 2, 3 or 4; or a pharmaceutically acceptable acid addition salt thereof.