Patent number: 6589949
Abstract: The invention relates to novel 3-oxo-2,1-benzisomazol-1(3H)-carboxamides (I), where R1, R2 are the same or different and independently=H, halogen, C1 C6 alkyl C1 C6 alkoxy, C1 C3 perfluoroalkyl, or a group NR5R6; R3, R4 are the same or different and independently=C1 C8 alkyl, whose carbon chain is optionally interrupted by an O, S or NR7 and is optionally singly or severally substituted by C3 C6 cycloalkyl, C1 C4 alkoxy, OH, halogen or NR8R9; C3 C8 cycloalkyl whose carbon chain is optionally interrupted by an O, S or NR10 and is optionally singly or severally substituted by C1 C4 alkoxy, OH, halogen or NR11R12, or R3 and R4 together with a nitrogen atom form a saturated or partially unsaturated 3- to 10-membered mono- or bi-cyclic heteocycle, which, optionally, contains up to two further heteroatoms, from N, O or S and is, optionally, substituted by C1 C4 alkyl, C1 C4 alkoxy, OH, halogen, COOR13 or NR14R15 and X=O or S.
Type:
Grant
Filed:
October 22, 2002
Date of Patent:
July 8, 2003
Assignee:
Bayer Aktiengesellschaft
Inventors:
Toshiya Moriwaki, Chantal Fürstner, Bernd Riedl, Jens-Kerim Ergüden, Frank Böss, Bernard Schmidt, Franz-Josef van der Staay, Werner Schröder, Karl-Heinz Schlemmer, Nagahiro Yoshida
