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.)
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Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
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Filing date
Publication date
Application filed by Henkel AG and Co KGaAfiledCriticalHenkel AG and Co KGaA
Priority to ES410015ApriorityCriticalpatent/ES410015A3/en
Publication of ES410015A3publicationCriticalpatent/ES410015A3/en
Procedure for obtaining 2-cyano-benzoxazoles, of general formula **(See formula)** in which R1, R2 and R3, independent of each other, mean a hydrogen atom, a halogen atom, a short-chain alkyl group and a nitro group, characterized in that 1 mol of a 2-chloro-benzoxazole of general formula **(See formula)** Where R1, R2 and R3 have the meaning indicated above, it is reacted with a suspension of 1 to 1.5 moles of sodium cyanide in dimethyl sulfoxide, containing from 1 to 20% of a solvent, at a temperature between 10 and 30ºC, under cooling, and the reaction mixture is made in a known manner. (Machine-translation by Google Translate, not legally binding)
ES410015A1972-12-261972-12-26Procedure for the obtaining of 2-cyano-benzoxazoles. (Machine-translation by Google Translate, not legally binding)
ExpiredES410015A3
(en)