in benzene T=80°C; other temperatures, other solvents, ΔH(excit.), ΔS(excit.); KineticsThermodynamic data;

in benzene T=80°C; other temperatures, other solvents, ΔH(excit.), ΔS(excit.); KineticsThermodynamic data;

1: 1,4,4a,9a-tetrahydro-4a-methyl-(1α,4α,4aα,9aα)-1,4-methanoanthracene-9,10-dione With potassium tert-butylate in tetrahydrofuran T=-3 - 0°C; 0.5 h; 2: (Z/E)-1-chloro-phyt-2-ene in tetrahydrofuran T=0°C; 1.5 h; 3: With dodecyl trimethyl ammonium bromide in acetic acid T=90°C; retro-Diels-Alder reaction; 0.25 h; Title compound not separated from byproducts;

1: 1,4,4a,9a-tetrahydro-4a-methyl-(1α,4α,4aα,9aα)-1,4-methanoanthracene-9,10-dione With potassium tert-butylate in tetrahydrofuran T=-3 - 0°C; 0.5 h; 2: phytyl bromide in tetrahydrofuran T=0°C; 1.5 h; 3: With dodecyl trimethyl ammonium bromide in acetic acid T=90°C; retro-Diels-Alder reaction; 0.25 h; Title compound not separated from byproducts;

dodecyl trimethyl ammonium bromide in acetic acid T=20°C; Diels-Alder reaction; 5 h;

in dichloromethane T=25°C; Diels-Alder reaction; 0.166667 h;

zirconium in dichloromethane 10 h; Ambient temperature; Yield given. Yields of byproduct given. Title compound not separated from byproducts;