Thermal Cyclization of 1-{(Z)-1-Hexene-3,5-diynyl}-2-(1,3-butanediynyl)benzene Leading to Dinaphtho[1,2-b:2,1-f]semibullvalene and Dinaphtho[2,1-b:1,2-j]elassovalene Skeletons via Cyclobuta[a]naphthalene

Add time:09/28/2019    Source:infona.pl

Conjugated aromatic diene-diyne (3) undergoes thermal cyclization at 80 o C to form cyclobuta[a]naphthalene (4), leading to polycyclic compounds, dinaphtho[1,2-b:2,1-f]semibullvalene (5) and dinaphtho[2,1-b:1,2-j]elassovalene (7).

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