Four known dithiophosphinic acids, DTPA, were synthesized and their zinc complexes were prepared as novelties. The complexes have been proven to have the structures [Zn(µ-DTPAn)2(DTPAn)2], ([DTPAn]= Rn(R)P(S)H, R= 4-CH3O-C6H4-; R1= iso-amyl-, DTPA1; R2= iso-butyl-, DTPA2; R3= sec-butyl-, DTPA3; R4= iso-propyl-, DTPA4). The DTPAs were prepared by the reaction of the Lawesson reagent, [2,4–bis(4-methoxyphenyl)–1,3,2,4–ditiyodifosfetan–2,4–disülfür] (LR), with the corresponding Grignard compounds. The acids formed are viscous liquids difficult to purify and so they were converted to ammonium salts, [DTPAn][NH4], which are easy to obtain as pure crystals. The complexes were identified to have dimeric structures on the basis of mass spectroscopic data.
Alan : Fen Bilimleri ve Matematik
Dergi Türü : Ulusal
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