8-TRIALKYLSILOXY -2-METHYL -9-PHENYL -7-OXO -7, 8, 9, 10- TETRAHYDROIMIDAZO [1, 2-H] [1, 7] NAPHTHYRIDINES.

摘要

Compounds of the formula (I), in which RI is hydrogen, methyl or hydroxymethyl, R2 a and R2b e both hydrogen or together denote a bond, R3 is 1-7C-alkyl, R4 is 1-7-alkyl and R5 is I-7C-alkyl, and its salts, are valuable intermediates for repairing active compounds for the prevention and treatment of gastrointestinal diseases.