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.)
SHIRATORI SEIYAKU KK
Shiratori Pharmaceutical Co Ltd
Original Assignee
SHIRATORI SEIYAKU KK
Shiratori Pharmaceutical Co Ltd
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 SHIRATORI SEIYAKU KK, Shiratori Pharmaceutical Co LtdfiledCriticalSHIRATORI SEIYAKU KK
Priority to JP12013579ApriorityCriticalpatent/JPS5645475A/en
Publication of JPS5645475ApublicationCriticalpatent/JPS5645475A/en
NEW MATERIAL:Compounds of formula I (R is alkyl of 2 or more carbon atoms).
USE: Synthetic intermediate of a compound of formula II, which is used as a blood circulation improver and remedy for interruption in arterial blood circulation.
PREPARATION: The reaction between a compound of formula III and another compound of formula IV (X is halogen) is conducted in the presence of an alkali such as caustic soda at 30W150°C for several min to several hr to give the compound of formula I.
COPYRIGHT: (C)1981,JPO&Japio
JP12013579A1979-09-201979-09-201-(5'-hexynyl)-3-methyl-7-alkylxanthine and its preparation
PendingJPS5645475A
(en)
1-branched alkylcarbonyl-3-(3,5-dihalogenophenyl) hydantoins, their preparation, and bactericides for pomicultural and horticultural uses containing the same as active agent.
Substituted thiophenylsulfonylureas and -thioureas, process for their preparation, their use as a medicament or diagnostic, and medicament containing them