Conclusions
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1.
We were the first to make a systematic study of the isomerization of the esters of some dienoic and trienoic acids, and also of some 1,5-cyclooctadienes, using potassium tert-butoxide and transition metal complexes in HMPTA solution.
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2.
Depending on the amount and type of isomerizing reagent, the direction of the shift of the double bonds can be regulated.
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3.
It was shown that sorbic acid homologs can be obtained by isomerizing the corresponding esters of 2,5- and 2,5,9-unsaturated acids.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 3, pp. 566–570, March, 1976.
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Dzhemilev, U.M., Khusnutdinov, R.I. & Tolstikov, G.A. Isomerization of unsaturated compounds with potassium tert-butoxide and transition-metal complexes in hexamethylphosphoric triamide solution. Russ Chem Bull 25, 547–551 (1976). https://doi.org/10.1007/BF01106650
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DOI: https://doi.org/10.1007/BF01106650