Thienopyrimidine derivatives (I) are new. Thienopyrimidine derivatives (I) of formula 1 are new. X : SO or SO 2; R 1>;H, 1-6C alkyl, 2-6C alkenyl, 2-6C alkynyl, 6-10C aryl, (6-10C)aryl(1-6C)alkyl or (5-10C)heteroaryl(1-6C)alkyl; R 2>;H; 1-10C alkyl, 2-6C alkenyl or 2-6C alkynyl optionally substituted with halo or Q1; or 3-10C cycloalkyl optionally bridged with 1-3C alkyl and optionally substituted with Q2; 6-10C aryl optionally substituted with Q3; 3-10C heterocyclyl or 5-10C heteroaryl optionally substituted with halo, OH, oxo or Q4; NR 1>;R 2>;a 4-7C ring optionally substituted with OH, OR 11>;, 1-6C alkanol, oxo, halo, 1-6C alkyl, 6-10C aryl, COOR 21>;, CONR 22>;R 23>;, CH 2NR 22>;R 23>; or NR 22>;R 23>;; Q1 : OR 21>;, COOR 21>;, SR 21>;, 6-10C aryl, 3-10C heterocyclyl, 5-10C heteroaryl, 3-10C (bi)cycloalkyl, CH 2NR 22>;R 23>; or NR 22>;R 23>;, optionally substituted with OH, halo, OR 21>;, oxo, 1-6C alkyl, 6-10C aryl, COOR 21>;, CH 2NR 22>;R 23>; or NR 22>;R 23>;; Q2 : 1-6C alkanol, OR 21>;, COOR 21>;, 3-10C heterocyclyl, 6-10C aryl, 1-6C alkyl, (6-10C)aryl(1-6C)alkyl, (5-10C)heteroaryl(1-6C)alkyl, 3-10C (bi)cycloalkyl and NR 22>;R 23>;, optionally substituted with OH, halo, OR 21>;, oxo, 1-6C alkyl, 6-10C aryl, CH 2NR 22>;R 23>;; Q3 : OR 21>;, COOR 21>;, NR 22>;R 23>;, CH 2NR 22>;R 23>;, 3-10C cycloalkyl, 3-10C heterocyclyl, 1-6C alkyl, (6-10C)aryl(1-6C)alkyl, (3-10C)heterocyclyl(1-6C)alkyl, (5-10C)heteroaryl(1-6C)alkyl, 6-10C aryl, SO 2Me, SO 2Et and SO 2NR 22>;R 23>;, optionally substituted with OH, halo, OR 21>;, oxo, 1-6C alkyl, 6-10C aryl, NR 22>;R 23>;; Q4 : OR 21>;, COOR 21>;, SR 21>;, 6-10C aryl, 1-6C alkyl, 3-10C heterocyclyl, 5-10C heteroaryl, 3-10C cycloalkyl, 1-6C alkanol or NR 22>;R 23>;, optionally substituted with OH, halo, OR 21>;, oxo, 1-6C alkyl, 6-10C aryl or NR 22>;R 23>;; R 21>;1-6C alkyl, 3-10C (bi)cycloalkyl, (6-10C)aryl(1-6C)alkyl, (5-