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Application filed by Bela Magyari Ciongrad, Vasile Stefan Iancu, Stefan Mate, Vasile Francisc Stark, Angela Buzasiu, Florian Condoros, Elena JuhaszfiledCriticalBela Magyari Ciongrad
Priority to RO109278ApriorityCriticalpatent/RO85754B1/ro
Publication of RO85754A2publicationCriticalpatent/RO85754A2/ro
Publication of RO85754B1publicationCriticalpatent/RO85754B1/ro
Agricultural Chemicals And Associated Chemicals
(AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Inventia se refera la derivati de difenilmetal cu proprietati erbicide cu formula generala I: (vezi formula) în care X reprezinta clor sau fluor, care se obtin prin tratarea unui derivat de difenilmetan clorurat, cu formula generala în care X are semnificatiile de la formula I, cu dipropilamina cu formula generala III: (vezi formula) într-un exces molar de compus cu formula III fata de compusul cu formula Ii, ,într-un alcol alifatic inferior în calitate de solvent, la temeperatura de 65...70 degree C, timp de 5...6 h.
RO109278A1982-12-101982-12-10Derivati de difenilmetan cu proprietati erbicide si procedeu de obtinere a acestora
RO85754B1
(ro)