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Osterreichische Stickstoffwerke AG
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Osterreichische Stickstoffwerke AG
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Publication of ES324195A1publicationCriticalpatent/ES324195A1/en
"Process for obtaining esters of thiophosphoric acid", of general formula ** (See formula) ** wherein R1 signifies a lower alkyl moiety and R2 is defined as -CH2OH, -CH2-CN, -CH2COOR ', -CH2CON (R ") 2, -COR' '', -COOR 'or -CON (R '') 2 ', where R' denotes a hydrogen atom or a lower alkyl radical, R "a hydrogen atom, a lower alkyl radical or two R" together a cyclic alkyl radical, in which, in In this case, a radical CH2 is substituted by oxygen, and R '"is an alkyl radical or a phenyl radical, characterized in that pyridazonyl thiophosphoric ester of the general formula ** (See formula) ** is reacted with halogen derivatives of general formula Hal-CH2-R2, (III) wherein R1 and R2 have the above defined meaning and Hal means a halogen atom, in the presence of an acid acceptor, between 10 and 100ยบ C. (Machine-translation by Google Translate, not legally binding)
ES0324195A1965-03-251966-03-15Procedure for obtaining esters of thiophosphoric acid. (Machine-translation by Google Translate, not legally binding)
ExpiredES324195A1
(en)
Procedure for the obtaining of esters of phosphoric, phosphonic, tionophosphoric and tionophosphonic acid. (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of esters of amidido-phosphoric acid, and phosphonic-thiophosphoric and thiophosphonic. (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of esters of the tiol-o tionotilfosforico or phosphonic acid. (Machine-translation by Google Translate, not legally binding)