Thio-alpha-amino acids of general formula (I), wherein R
1
, R
2
and R
3
have the meanings given in the description, methods for producing them, and medicaments containing these compounds. The invention also provides methods for treating pain and other diseases using the pharmaceutical compositions comprising the thioamino acids.
The invention relates to amino acids, a method for the production thereof, medicaments containing said amino acids and the use of amino acids in the production of medicaments for treating pain.