摘要:
Fully acylated hydroxyl-terminated organopolysiloxanes bearing pendant aminoalkyl groups are easily prepared by reacting a hydroxyl-terminated, aminoalkyl organopolysiloxane with a carboxylic anhydride in stoichiometric amount relative to amino groups, in the presence of at least one emulsifier.
摘要:
The present invention relates to new combinations and new uses of certain selected tricyclic imidazo [1,2-a]pyridine compounds in the prevention or treatment of medicament caused gastrointestinal diseases.
摘要:
The invention provides compounds of the formula (I) in which the substituents and symbols are as defined in the description. The compounds inhibit the secretion of gastric acid.
摘要:
The invention relates to compounds of the formula (1) in which the substituents and symbols have the meanings indicated in the description. The compounds have gastric secretion inhibiting and excellent gastric and intestinal protective action properties.
摘要:
The invention relates to compounds of the formula (I), in which the substituents and symbols have the meanings indicated in the description. The compounds are valuable intermediates for the preparation of pharmaceutical active compounds.
摘要:
The invention provides a process for preparing emulsions of organopolysiloxanes (O), which includes polymerizing: (1) 100 parts by weight of hydroxyl-terminated organopolysiloxanes and (2) at least 0.01 part by weight of trialkylsilyl-terminated organopolysiloxanes having a viscosity of at least 55 mm2/s in the presence of (3) acidic catalyst and (4) emulsifier in an aqueous medium until the desired molecular size is reached.
摘要:
The invention provides compounds of the formula (I) in which the substituents and symbols are as defined in the description. The compounds inhibit the secretion of gastric acid.
摘要:
The invention relates to compounds of the formula 1, in which the substituents and symbols have the meanings indicated in the description. The compounds are valuable intermediates for the preparation of pharmaceutical active compounds.
摘要:
The invention provides a process for preparing emulsions of organopolysiloxanes (O), which includes polymerizing: (1) 100 parts by weight of hydroxyl-terminated organopolysiloxanes and (2) at least 0.01 part by weight of trialkylsilyl-terminated organopolysiloxanes having a viscosity of at least 55 mm2/s in the presence of (3) acidic catalyst and (4) emulsifier in an aqueous medium until the desired molecular size is reached.
摘要:
The invention relates to a process for the synthesis of compounds of the formula 1-a and compounds of the formula 1-b. The compounds of the formula 1-a and the compounds of the formula 1-b, in which the substituents R1, R2, R3, and Ar have the meanings indicated in the description, are valuable intermediates for the preparation of pharmaceutically active compounds.