ES394529A1 - Procedure for the preparation of formamidines. (Machine-translation by Google Translate, not legally binding) - Google Patents

Procedure for the preparation of formamidines. (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES394529A1
ES394529A1 ES394529A ES394529A ES394529A1 ES 394529 A1 ES394529 A1 ES 394529A1 ES 394529 A ES394529 A ES 394529A ES 394529 A ES394529 A ES 394529A ES 394529 A1 ES394529 A1 ES 394529A1
Authority
ES
Spain
Prior art keywords
signifies
formula
alkyl
formamidines
translation
Prior art date
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
ES394529A
Other languages
Spanish (es)
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.)
Novartis AG
Original Assignee
Ciba Geigy AG
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
Priority claimed from CH1280970A external-priority patent/CH538806A/en
Priority claimed from CH944371A external-priority patent/CH561011A5/en
Application filed by Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of ES394529A1 publication Critical patent/ES394529A1/en
Expired legal-status Critical Current

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  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

Procedure for the preparation of formamidines that, in the form of free base or of salts with inorganic or organic acids, constitute the active substance of antiparasitic agents, of general formula **(See formula)** in which R1 signifies methyl; R2 means C2 to C4 alkyl (or R1 signifies ethyl and R2 signifies C3 to C4 alkyl); R3 stands for halogen; R4 signifies hydrogen, halogen, C1 to C4 alkyl or C1 to C4 alkoxy; and R5 signifies C1 to C4 alkyl, characterized by reacting a compound of the formula **(See formula)** with a compound of the formula **(See formula)** in which R1 to R5 have the same meaning as before. in the presence of SOCl2, COCl, POCl3, PCl3, PCl5 (CH3) 2SO4 or (see formula). (Machine-translation by Google Translate, not legally binding)
ES394529A 1970-08-27 1971-08-26 Procedure for the preparation of formamidines. (Machine-translation by Google Translate, not legally binding) Expired ES394529A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH1280970A CH538806A (en) 1970-08-27 1970-08-27 N-(2-alkyl-4-halo)-n',n'-dialkyl-formamidines antiparasitic agents
CH944371A CH561011A5 (en) 1971-06-28 1971-06-28 N-(2-alkyl-4-halo)-n',n'-dialkyl-formamidines antiparasitic agents
CH1109371 1971-07-27

Publications (1)

Publication Number Publication Date
ES394529A1 true ES394529A1 (en) 1974-10-01

Family

ID=27176227

Family Applications (1)

Application Number Title Priority Date Filing Date
ES394529A Expired ES394529A1 (en) 1970-08-27 1971-08-26 Procedure for the preparation of formamidines. (Machine-translation by Google Translate, not legally binding)

Country Status (1)

Country Link
ES (1) ES394529A1 (en)

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