Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyo Jozo KK
Original Assignee
Toyo Jozo KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toyo Jozo KKfiledCriticalToyo Jozo KK
Priority to JP2234179ApriorityCriticalpatent/JPS55115899A/en
Publication of JPS55115899ApublicationCriticalpatent/JPS55115899A/en
Publication of JPS6155519B2publicationCriticalpatent/JPS6155519B2/ja
NEW MATERIAL:A compound (or its salt) of formula I (R1,2 are 2W6C alkanoyl; R3 is 2W6C alkanoyl or halo-lower-alkanoyl; A1 is 2W6C alkanoyl; A2 is H or 2W6C alkanoyl).
USE: An intermediate of 3",4"-diacyltylosin which is useful as an antibacterial agent. syrup for child, remedy for infectious diseases, etc.
PROCESS: The objective compound III is prepared by, e.g. reacting a compound II with a 2W6C aliphatic carboxylic acid anhydride in the presence of an inorganic base.
Novel imidazo-and triazolothiadiazines,a process for the preparation thereof,medicaments containing same,and the use thereof,and some intermediates formed in the preparation of the compounds mentioned