N-substituted aminobenzocycloheptene, aminotetraline, aminoindane and phenalkylamine derivatives, pharmaceutical compositions containing them, and their use in therapy

1. A compound of formula (I)

wherein

A is a benzene ring or a ring selected from the group consisting of the following 5- or 6-membered heterocyclic rings:

R is R 1 —W-A 1 -Q-Y-A 2 -X 1 —;

R 1 is hydrogen, C 1 -C 6 -alkyl, C 3 -C 12 -cycloalkyl-C 1 -C 4 -alkyl, halogenated C 1 -C 6 -alkyl, tri-(C 1 -C 4 -alkyl)-silyl-C 1 -C 4 -alkyl, hydroxy-C 1 -C 4 -alkyl, C 1 -C 6 -alkoxy-C 1 -C 4 -alkyl, amino-C 1 -C 4 -alkyl, C 1 -C 6 -alkylamino-C 1 -C 4 -alkyl, di-C 1 -C 6 -alkylamino-C 1 -C 4 -alkyl, C 1 -C 6 -alkylcarbonylamino-C 1 -C 4 -alkyl, C 1 -C 6 -alkyloxycarbonylamino-C 1 -C 4 -alkyl, C 1 -C 6 -alkylaminocarbonylamino-C 1 -C 4 -alkyl, di-C 1 -C 6 -alkylaminocarbonylamino-C 1 -C 4 -alkyl, C 1 -C 6 -alkylsulfonylamino-C 1 -C 4 -alkyl, (optionally substituted C 6 -C 12 -aryl-C 1 -C 6 -alkyl)amino-C 1 -C 4 -alkyl, optionally substituted C 6 -C 12 -aryl-C 1 -C 4 -alkyl, optionally substituted C 3 -C 12 -heterocyclyl-C 1 -C 4 -alkyl, C 3 -C 12 -cycloalkyl, C 1 -C 6 -alkylcarbonyl, C 1 -C 6 -alkoxycarbonyl, halogenated C 1 -C 6 -alkoxycarbonyl, C 6 -C 12 -aryloxycarbonyl, aminocarbonyl, C 1 -C 6 -alkylaminocarbonyl, (halogenated C 1 -C 4 -alkyl)aminocarbonyl, C 6 -C 12 -arylaminocarbonyl, C 2 -C 6 -alkenyl, C 2 -C 6 -alkynyl, optionally substituted C 6 -C 12 -aryl, hydroxy, C 1 -C 6 -alkoxy, halogenated C 1 -C 6 -alkoxy, C 1 -C 6 -hydroxyalkoxy, C 1 -C 6 -alkoxy-C 1 -C 4 -alkoxy, amino-C 1 -C 4 -alkoxy, C 1 -C 6 -alkylamino-C 1 -C 4 -alkoxy, di-C 1 -C 6 -alkylamino-C 1 -C 4 -alkoxy, C 1 -C 6 -alkylcarbonylamino-C 1 -C 4 -alkoxy, C 6 -C 12 -arylcarbonylamino-C 1 -C 4 -alkoxy, C 1 -C 6 -alkoxycarbonylamino-C 1 -C 4 -alkoxy, C 6 -C 12 -aryl-C 1 -C 4 -alkoxy, C 1 -C 6 -alkylsulfonylamino-C 1 -C 4 -alkoxy, (halogenated C 1 -C 6 -alkyl)sulfonylamino-C 1 -C 4 -alkoxy, C 6 -C 12 -arylsulfonylamino-C 1 -C 4 -alkoxy, (C 6 -C 12 -aryl-C 1 -C 6 -alkyl)sulfonylamino-C 1 -C 4 -alkoxy, C 3 -C 12 -heterocyclylsulfonylamino-C 1 -C 4 -alkoxy, C 3 -C 12 -heterocyclyl-C 1 -C 4 -alkoxy, C 6 -C 12 -aryloxy, C 3 -C 12 -heterocyclyloxy, C 1 -C 6 -alkylthio, halogenated C 1 -C 6 -alkylthio, C 1 -C 6 -alkylamino, (halogenated C 1 -C 6 -alkyl)amino, di-C 1 -C 6 -alkylamino, di-(halogenated C 1 -C 6 -alkyl)amino, C 1 -C 6 -alkylcarbonylamino, (halogenated C 1 -C 6 -alkyl)carbonylamino, C 6 -C 12 -arylcarbonylamino, C 1 -C 6 -alkylsulfonylamino, (halogenated C 1 -C 6 -alkyl)sulfonylamino, C 6 -C 12 -arylsulfonylamino or optionally substituted C 3 -C 12 -heterocyclyl;

W is —NR 8 — or a bond;

A 1 is optionally substituted C 1 -C 4 -alkylene or a bond;

Q is —S(O) 2 — or —C(O)—;

Y is —NR 9 — or a bond;

A 2 is optionally substituted C 1 -C 4 -alkylene, C 1 -C 4 -alkylene-CO—, —CO—C 1 -C 4 -alkylene, C 1 -C 4 -alkylene-O—C 1 -C 4 -alkylene, C 1 -C 4 -alkylene-NR 10 -C 1 -C 4 -alkylene, optionally substituted C 2 -C 4 -alkenylene, optionally substituted C 2 -C 4 -alkynylene, optionally substituted C 6 -C 12 -arylene, optionally substituted C 6 -C 12 -heteroarylene or a bond;

X 1 is —O—, —NR 11 , —S—, optionally substituted C 1 -C 4 -alkylene, optionally substituted C 2 -C 4 -alkenylene or optionally substituted C 2 -C 4 -alkynylene;

R 2 is hydrogen, halogen, C 1 -C 6 -alkyl, halogenated C 1 -C 4 -alkyl, hydroxy-C 1 -C 4 -alkyl, —CN, C 2 -C 6 -alkenyl, C 2 -C 6 -alkynyl, optionally substituted C 6 -C 12 -aryl, hydroxy, C 1 -C 6 -alkoxy, halogenated C 1 -C 6 -alkoxy, C 1 -C 6 -alkoxycarbonyl, C 2 -C 6 -alkenyloxy, C 6 -C 12 -aryl-C 1 -C 4 -alkoxy, C 1 -C 6 -alkylcarbonyloxy, C 1 -C 6 -alkylthio, C 1 -C 6 -alkylsulfinyl, C 1 -C 6 -alkylsulfonyl, aminosulfonyl, amino, C 1 -C 6 -alkylamino, C 2 -C 6 -alkenylamino, nitro or optionally substituted C 3 -C 12 -heterocyclyl, or two radicals R 2 together with the ring atoms to which they are bound form a 5- or 6 membered ring;

R 3 is hydrogen, halogen, C 1 -C 6 -alkyl or C 1 -C 6 -alkoxy, or two radicals R 3 together with the carbon atom to which they are attached form a carbonyl group;

Y 1 is a bond or optionally substituted C 1 -C 4 -alkylene;

t is 0, 1, 2 or 3;

R 4b is hydrogen, halogen, C 1 -C 6 -alkyl, C 3 -C 12 -cycloalkyl-C 1 -C 4 -alkyl, halogenated C 1 -C 6 -alkyl, tri-(C 1 -C 4 -alkyl)-silyl-C 1 -C 4 -alkyl, hydroxy-C 1 -C 4 -alkyl, C 1 -C 6 -alkoxy-C 1 -C 4 -alkyl, amino-C 1 -C 4 -alkyl, C 1 -C 6 -alkylamino-C 1 -C 4 -alkyl, di-C 1 -C 6 -alkylamino-C 1 -C 4 -alkyl, C 1 -C 6 -alkylcarbonylamino-C 1 -C 4 -alkyl, C 1 -C 6 -alkyloxycarbonylamino-C 1 -C 4 -alkyl, C 1 -C 6 -alkylaminocarbonylamino-C 1 -C 4 -alkyl, di-C 1 -C 6 -alkylaminocarbonylamino-C 1 -C 4 -alkyl, C 1 -C 6 -alkylsulfonylamino-C 1 -C 4 -alkyl, (optionally substituted C 6 -C 12 -aryl-C 1 -C 6 -alkyl)amino-C 1 -C 4 -alkyl, optionally substituted C 6 -C 12 -aryl-C 1 -C 4 -alkyl, optionally substituted C 3 -C 12 -heterocyclyl-C 1 -C 4 -alkyl, C 3 -C 12 -cycloalkyl, C 1 -C 6 -alkylcarbonyl, C 1 -C 6 -alkoxycarbonyl, halogenated C 1 -C 6 -alkoxycarbonyl, C 6 -C 12 -aryloxycarbonyl, aminocarbonyl, C 1 -C 6 -alkylaminocarbonyl, (halogenated C 1 -C 4 -alkyl)aminocarbonyl, C 6 -C 12 -arylaminocarbonyl, C 2 -C 6 -alkenyl, C 2 -C 6 -alkynyl, optionally substituted C 6 -C 12 -aryl, cyano, hydroxy, C 1 -C 6 -alkoxy, halogenated C 1 -C 6 -alkoxy, C 1 -C 6 -hydroxyalkoxy, C 1 -C 6 -alkoxy-C 1 -C 4 -alkoxy, amino-C 1 -C 4 -alkoxy, C 1 -C 6 -alkylamino-C 1 -C 4 -alkoxy, di-C 1 -C 6 -alkylamino-C 1 -C 4 -alkoxy, C 1 -C 6 -alkylcarbonylamino-C 1 -C 4 -alkoxy, C 6 -C 12 -arylcarbonylamino-C 1 -C 4 -alkoxy, C 1 -C 6 -alkoxycarbonylamino-C 1 -C 4 -alkoxy, C 6 -C 12 -aryl-C 1 -C 4 -alkoxy, C 1 -C 6 -alkylsulfonylamino-C 1 -C 4 -alkoxy, (halogenated C 1 -C 6 -alkyl)sulfonylamino-C 1 -C 4 -alkoxy, C 6 -C 12 -arylsulfonylamino-C 1 -C 4 -alkoxy, (C 6 -C 12 -aryl-C 1 -C 6 -alkyl)sulfonylamino-C 1 -C 4 -alkoxy, C 3 -C 12 -heterocyclylsulfonylamino-C 1 -C 4 -alkoxy, C 3 -C 12 -heterocyclyl-C 1 -C 4 -alkoxy, C 6 -C 12 -aryloxy, C 3 -C 12 -heterocyclyloxy, C 1 -C 6 -alkylthio, halogenated C 1 -C 6 -alkylthio, C 1 -C 6 -alkylamino, (halogenated C 1 -C 6 -alkyl)amino, di-C 1 -C 6 -alkylamino, di-(halogenated C 1 -C 6 -alkyl)amino, C 1 -C 6 -alkylcarbonylamino, (halogenated C 1 -C 6 -alkyl)carbonylamino, C 6 -C 12 -arylcarbonylamino, C 1 -C 6 -alkylsulfonylamino, (halogenated C 1 -C 6 -alkyl)sulfonylamino, C 6 -C 12 -arylsulfonylamino or optionally substituted C 3 -C 12 -heterocyclyl;

R 4c , R 4d

together are C 1 -C 5 -alkylene optionally substituted with 1, 2 or 3 substituents R 4f , wherein one —CH 2 — of C 1 -C 5 -alkylene may be replaced by an oxygen atom or —NR 20 —;

R 4f is hydrogen, halogen, C 1 -C 6 -alkyl, C 3 -C 12 -cycloalkyl-C 1 -C 4 -alkyl, halogenated C 1 -C 6 -alkyl, tri-(C 1 -C 4 -alkyl)-silyl-C 1 -C 4 -alkyl, hydroxy-C 1 -C 4 -alkyl, C 1 -C 6 -alkoxy-C 1 -C 4 -alkyl, amino-C 1 -C 4 -alkyl, C 1 -C 6 -alkylamino-C 1 -C 4 -alkyl, di-C 1 -C 6 -alkylamino-C 1 -C 4 -alkyl, C 1 -C 6 -alkylcarbonylamino-C 1 -C 4 -alkyl, C 1 -C 6 -alkyloxycarbonylamino-C 1 -C 4 -alkyl, C 1 -C 6 -alkylaminocarbonylamino-C 1 -C 4 -alkyl, di-C 1 -C 6 -alkylaminocarbonylamino-C 1 -C 4 -alkyl, C 1 -C 6 -alkylsulfonylamino-C 1 -C 4 -alkyl, (optionally substituted C 6 -C 12 -aryl-C 1 -C 6 -alkyl)amino-C 1 -C 4 -alkyl, optionally substituted C 6 -C 12 -aryl-C 1 -C 4 -alkyl, optionally substituted C 3 -C 12 -heterocyclyl-C 1 -C 4 -alkyl, C 3 -C 12 -cycloalkyl, C 1 -C 6 -alkylcarbonyl, C 1 -C 6 -alkoxycarbonyl, halogenated C 1 -C 6 -alkoxycarbonyl, C 6 -C 12 -aryloxycarbonyl, aminocarbonyl, C 1 -C 6 -alkylaminocarbonyl, (halogenated C 1 -C 4 -alkyl)aminocarbonyl, C 6 -C 12 -arylaminocarbonyl, C 2 -C 6 -alkenyl, C 2 -C 6 -alkynyl, optionally substituted C 6 -C 12 -aryl, cyano, hydroxy, C 1 -C 6 -alkoxy, halogenated C 1 -C 6 -alkoxy, C 1 -C 6 -hydroxyalkoxy, C 1 -C 6 -alkoxy-C 1 -C 4 -alkoxy, amino-C 1 -C 4 -alkoxy, C 1 -C 6 -alkylamino-C 1 -C 4 -alkoxy, di-C 1 -C 6 -alkylamino-C 1 -C 4 -alkoxy, C 1 -C 6 -alkylcarbonylamino-C 1 -C 4 -alkoxy, C 6 -C 12 -arylcarbonylamino-C 1 -C 4 -alkoxy, C 1 -C 6 -alkoxycarbonylamino-C 1 -C 4 -alkoxy, C 6 -C 12 -aryl-C 1 -C 4 -alkoxy, C 1 -C 6 -alkylsulfonylamino-C 1 -C 4 -alkoxy, (halogenated C 1 -C 6 -alkyl)sulfonylamino-C 1 -C 4 -alkoxy, C 6 -C 12 -arylsulfonylamino-C 1 -C 4 -alkoxy, (C 6 -C 12 -aryl-C 1 -C 6 -alkyl)sulfonylamino-C 1 -C 4 -alkoxy, C 3 -C 12 -heterocyclylsulfonylamino-C 1 -C 4 -alkoxy, C 3 -C 12 -heterocyclyl-C 1 -C 4 -alkoxy, C 6 -C 12 -aryloxy, C 3 -C 12 -heterocyclyloxy, C 1 -C 6 -alkylthio, halogenated C 1 -C 6 -alkylthio, C 1 -C 6 -alkylamino, (halogenated C 1 -C 6 -alkyl)amino, di-C 1 -C 6 -alkylamino, di-(halogenated C 1 -C 6 -alkyl)amino, C 1 -C 6 -alkylcarbonylamino, (halogenated C 1 -C 6 -alkyl)carbonylamino, C 6 -C 12 -arylcarbonylamino, C 1 -C 6 -alkylsulfonylamino, (halogenated C 1 -C 6 -alkyl)sulfonylamino, C 6 -C 12 -arylsulfonylamino or optionally substituted C 3 -C 12 -heterocyclyl;

X 2 is —O—, —NR 6 , —S—, >CR 12a R 12b or a bond;

X 3 is —O—, —NR 7 , —S—, >CR 13a R 13b or a bond;

R 5 is optionally substituted C 6 -C 12 -aryl, optionally substituted C 3 -C 12 -cycloalkyl or optionally substituted C 3 -C 12 -heterocyclyl;

n is 1;

R 6 is hydrogen, C 1 -C 6 -alkyl or C 3 -C 12 -cycloalkyl;

R 7 is hydrogen, C 1 -C 6 -alkyl or C 3 -C 12 -cycloalkyl;

R 8 is hydrogen, C 1 -C 6 -alkyl or C 3 -C 12 -cycloalkyl;

R 9 is hydrogen, C 1 -C 6 -alkyl, C 3 -C 12 -cycloalkyl, amino-C 1 -C 6 -alkyl, optionally substituted C 6 -C 12 -aryl-C 1 -C 4 -alkyl or C 3 -C 12 -heterocyclyl; or

R 9 , R 1

together are C 1 -C 4 -alkylene; or

R 9 is C 1 -C 4 -alkylene that is bound to a carbon atom in A 2 and A 2 is C 1 -C 4 -alkylene or to a carbon atom in X 1 and X 1 is C 1 -C 4 -alkylene;

R 10 is hydrogen, C 1 -C 6 -alkyl, C 3 -C 12 -cycloalkyl or C 1 -C 6 -alkylsulfonyl;

R 11 is hydrogen, C 1 -C 6 -alkyl or C 3 -C 12 -cycloalkyl, or

R 9 , R 11

together are C 1 -C 4 -alkylene,

R 12a is hydrogen, optionally substituted C 1 -C 6 -alkyl, C 1 -C 6 -alkylamino-C 1 -C 4 -alkyl, di-C 1 -C 6 -alkylamino-C 1 -C 4 -alkyl, C 3 -C 12 -heterocyclyl-C 1 -C 6 -alkyl, optionally substituted C 6 -C 12 -aryl or hydroxy;

R 12b is hydrogen or C 1 -C 6 -alkyl, or

R 12a , R 12b

together are carbonyl or optionally substituted C 1 -C 4 -alkylene, wherein one —CH 2 — of C 1 -C 4 -alkylene may be replaced by an oxygen atom or —NR 16 —;

R 13a is hydrogen, optionally substituted C 1 -C 6 -alkyl, C 1 -C 6 -alkylamino-C 1 -C 4 -alkyl, di-C 1 -C 6 -alkylamino-C 1 -C 4 -alkyl, C 3 -C 12 -heterocyclyl-C 1 -C 6 -alkyl, optionally substituted C 6 -C 12 -aryl or hydroxy;

R 13b is hydrogen or C 1 -C 6 -alkyl, or

R 13a , R 13b

together are carbonyl or optionally substituted C 1 -C 4 -alkylene, wherein one —CH 2 — of C 1 -C 4 -alkylene may be replaced by an oxygen atom or —NR 17 —;

R 16 is hydrogen, C 1 -C 6 -alkyl or C 3 -C 12 -cycloalkyl;

R 17 is hydrogen, C 1 -C 6 -alkyl or C 3 -C 12 -cycloalkyl;

R 20 is hydrogen, C 1 -C 6 -alkyl or C 3 -C 12 -cycloalkyl;

a is 1, 2 or 3;

b is 1, 2, 3, 4, 5 or 6;

c is 1; and

d is 1, 2 or 3,

or a physiologically tolerated salt thereof.

2. Compound of claim 1 , wherein the main chain of —Y-A 2 -X 1 — is at least 2 atoms long.

3. Compound of claim 1 , wherein R 1 is C 1 -C 6 -alkyl, C 3 -C 12 -cycloalkyl-C 1 -C 4 -alkyl, halogenated C 1 -C 6 -alkyl, C 1 -C 6 -alkoxy-C 1 -C 4 -alkyl, amino-C 1 -C 4 -alkyl, C 1 -C 6 -alkylamino-C 1 -C 4 -alkyl, di-C 1 -C 6 -alkylamino-C 1 -C 4 -alkyl, C 1 -C 6 -alkyloxycarbonylamino-C 1 -C 4 -alkyl, C 1 -C 6 -alkylaminocarbonylamino-C 1 -C 4 -alkyl, C 6 -C 12 -aryl-C 1 -C 4 -alkyl, C 3 -C 12 -cycloalkyl, C 2 -C 6 -alkenyl, optionally substituted C 6 -C 12 -aryl, hydroxy, C 1 -C 6 -alkylamino, (halogenated C 1 -C 6 -alkyl)amino, di-C 1 -C 6 -alkylamino or optionally substituted C 3 -C 12 -heterocyclyl.

4. Compound of claim 1 , wherein A 1 is a bond, W is a bond and Y is —NR 9 —.

5. Compound of claim 1 , wherein X 1 is —O— and A 2 is C 1 -C 4 -alkylene, or X 1 is C 1 -C 4 -alkylene and A 2 is a bond.

6. Compound of claim 1 , wherein R 1 —W-A 1 -Q-Y-A 2 -X 1 — is R 1 —S(O) 2 —NR 9 -A 2 -X 1 — or R 1 —S(O) 2 —X 1 —.

7. Compound of claim 1 , wherein R 2 is hydrogen, —CN or halogen.

8. Compound of claim 1 , having one of the formulae

wherein R 1 , W, A 1 , Q, Y, A 2 , X 1 , R 2 , R 3 , Y 1 , t, R 4b , R 4c , R 4d , X 2 , X 3 , R 5 and n are as defined in claim 1 .

9. Compound of claim 1 , wherein R 3 is hydrogen.

10. Compound of claim 1 , wherein t is 1 and R 4c , R 4d together are optionally substituted C 1 -C 5 -alkylene.

11. Compound of claim 1 , wherein R 4b is hydrogen, halogen, C 1 -C 6 -alkyl, C 3 -C 12 -cycloalkyl-C 1 -C 4 -alkyl, halogenated C 1 -C 6 -alkyl, hydroxy-C 1 -C 4 -alkyl, C 1 -C 6 -alkoxy-C 1 -C 4 -alkyl, optionally substituted C 6 -C 12 -aryl-C 1 -C 4 -alkyl, C 2 -C 6 -alkenyl, C 2 -C 6 -alkynyl, optionally substituted C 6 -C 12 -aryl, cyano, hydroxy, C 1 -C 6 -alkoxy, halogenated C 1 -C 6 -alkoxy, C 1 -C 6 -hydroxyalkoxy, C 1 -C 6 -alkoxy-C 1 -C 4 -alkoxy, C 6 -C 12 -aryl-C 1 -C 4 -alkoxy, C 3 -C 12 -heterocyclyloxy or optionally substituted C 3 -C 12 -heterocyclyl.

12. Compound of claim 1 , wherein X 2 is CR 12a R 12b .

13. Compound of claim 1 , having the formula

wherein A, R, R 2 , R 3 , Y 1 , t, R 4b , R 4c , R 4d , X 2 , X 3 , and n are as defined in claims 1 ; and

R 24a , R 24b , R 24c , R 24d , and R 24e

independently are hydrogen, halogen, or halogenated C 1 -C 6 -alkyl.

14. Compound as claimed in claim 1 , wherein

A is a benzene ring;

R is R 1 —W-A 1 -Q-Y-A 2 -X 1 —;

is C 1 -C 6 -alkyl, C 3 -C 12 -cycloalkyl-C 1 -C 4 -alkyl, C 3 -C 12 -cycloalkyl, or optionally substituted C 3 -C 12 -heterocyclyl;

W is a bond;

A 1 is a bond;

Q is —S(O) 2 —;

Y is —NR 9 — or a bond;

A 2 is C 1 -C 4 -alkylene or a bond;

X 1 is —O— or optionally substituted C 1 -C 4 -alkylene;

R 2 is hydrogen or cyano;

R 3 is hydrogen;

Y 1 is a bond;

t is 1;

R 4b is hydrogen;

R 4c , R 4d

together are C 1 -C 5 -alkylene;

X 2 is CR 12a R 12b ;

X 3 is a bond;

R 5 is optionally substituted phenyl;

n is 1;

R 9 is hydrogen;

R 12a is hydrogen; and

R 12b is hydrogen.

15. The compound as claimed in claim 1 , which is:

cis-N-({7-[3-Azabicyclo[3.1.0]hex-3-yl]-8-benzyl-5,6,7,8-tetrahydronaphthalen-2-yl}methyl)-1-methyl-1H-imidazole-4-sulfonamide;

N-[2-({7-[3-Azabicyclo[3.1.0]hex-3-yl]-8-benzyl-5,6,7,8-tetrahydronaphthalen-2-yl}oxy)ethyl]-1-methyl-1H-imidazole-4-sulfonamide;

N-[2-({7-[3-Azabicyclo[3.1.0]hex-3-yl]-8-benzyl-5,6,7,8-tetrahydronaphthalen-2-yl}oxy)ethyl]-1-methyl-1H-pyrazole-4-sulfonamide(2E)-but-2-enedioate;

N-(2-{[7-[3-Azabicyclo[3.1.0]hex-3-yl]-8-(2-fluorobenzyl)-5,6,7,8-tetrahydronaphthalen-2-yl]oxy}ethyl)-1-methyl-1H-imidazole-4-sulfonamide; or

N-[2-({7-[3-Azabicyclo[3.1.0]hex-3-yl]-8-benzyl-3-cyano-5,6,7,8-tetrahydronaphthalen-2-yl}oxy)ethyl]-1-methyl-1H-imidazole-4-sulfonamide,

or a physiologically tolerated salt thereof.

16. Pharmaceutical composition which comprises a carrier and a compound of claim 1 .

17. A method for treating a neurological or psychiatric disorder or pain in a mammalian patient in need thereof, wherein treatment of the disorder or pain is effected by inhibiting GlyT1 activity, which method comprises administering to the patient a therapeutically effective amount of a compound of claim 1 .

18. A compound of formula (V)

wherein L is an amino-protecting group, Y is NR 9 , and A, A 2 , X 1 , R 2 , R 3 , Y 1 , t, R 4b , R 4c , R 4d , X 2 , X 3 , R 5 , n and R 9 are defined as in claim 1 ; wherein L is selected from the group consisting of optionally substituted alkylcarbonyl, optionally substituted arylcarbonyl, optionally substituted arylalkycarbonyl, optionally substituted alkoxycarbonyl, optionally substituted aryloxycarbonyl and optionally substituted arylalkoxycarbonyl.

19. A pharmaceutical composition which comprises a carrier and a compound of claim 15 .