FIELD: chemistry.
SUBSTANCE: invention relates to method of obtaining bicyclo-[3,3,0]-octane-2 by isomerisation of cyclooctadiene-1,5 on catalyst system based on nickel complexes, characterised by the following: as catalyst system bis[1,2:5,6-η-cyclooctadiene-1,5] nickel is used in combination with boron trifluoride etherate with mole ratio Ni: BF3·OEt2=1:2.
EFFECT: simplification of bicyclo-[3,3,0]-octane-2 obtaining and increase of its output.
1 cl, 4 ex, 1 tbl
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