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CH Boehringer Sohn AG and Co KG
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CH Boehringer Sohn AG and Co KG
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Publication of ES309826A1publicationCriticalpatent/ES309826A1/en
Process for obtaining phosphoric esters of the general formula I ** (See formula) ** where R represents a lower alkyl radical, optionally branched, with 1-4 C atoms; R 'a branched or unbranched alkyl group, optionally carrying as halogen substituents or a carboxyalkyl residue, which may also be interrupted by O or S; an alkenyl or alkynyl group, an aralkyl group optionally bearing substituents, in which the aliphatic part may be interrupted by O or S or be inserted between the aliphatic and aromatic part O or S, as well as an aryl group, optionally bearing substituents and R "hydrogen, an optionally branched alkyl radical, with or without substituents, or an aralkyl or aryl group optionally carrying substituents or an OR group" "in which R '' 'represents an alkyl or alkenyl group , which optionally bears a halogen substituent, a carboxyalkyl and/or carboxyamido moiety, which may also be interrupted by hydrogen or sulfur, or an aralkyl or aryl radical optionally carrying substituents - characterized by the conversion of salts of the general formula II ** (See formula) ** where R and R "have the meaning indicated above and Kt represents a cation, for example the sodium, potassium or ammonium ion or the ion of an organic amine - with halogenated formic acid esters of the formula III ** (See formula) ** where R 'has the meaning indicated above and Hal represents a halogen atom. (Machine-translation by Google Translate, not legally binding)
ES0309826A1964-02-271965-02-25Procedure for the obtaining of phosphoric esters. (Machine-translation by Google Translate, not legally binding)
ExpiredES309826A1
(en)
Procedure for the obtaining of phosphoric acid esters of application particularly as insecticides. (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of 2-benzoxazolol ester of acid methyl-1-naftilditizarbamico. (Machine-translation by Google Translate, not legally binding)
A procedure for the preparation of heterociclic compounds of the type of pinanopirazoles. (Machine-translation by Google Translate, not legally binding)