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.)
Expired
Application number
GB2259948A
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.)
BERTRAND ERNEST WILDE
ISIDORE ELKANAH BALABAN
Geigy Co Ltd
Original Assignee
BERTRAND ERNEST WILDE
ISIDORE ELKANAH BALABAN
Geigy 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 BERTRAND ERNEST WILDE, ISIDORE ELKANAH BALABAN, Geigy Co LtdfiledCriticalBERTRAND ERNEST WILDE
Priority to GB2259948ApriorityCriticalpatent/GB645117A/en
Publication of GB645117ApublicationCriticalpatent/GB645117A/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
5-Ethyl-5-(1-methylbutyl)-thiobarbituric acid (thiopentone) is prepared by heating thiourea and a disubstituted malonic acid of the general formula <FORM:0645117/IV (b)/1> in the presence of sodium methoxide. Reference to the use of sodium ethoxide is also made.
GB2259948A1948-08-271948-08-27Improvements in the manufacture of thiopentone
ExpiredGB645117A
(en)