“…Tricyclo[6.2.2.O2•7]dodeca-3,9-diene (12).8S•38-In a sealed tube 30.8 g (0.308 mole) of 80% 1,3-cyclohexadiene with a trace of hydroquinone was heated for 24 hr at 200°. The product was distilled over sodium: bp 103-106°( 13 mm); yield 7.35 g (30%); 22•1» 1.5269; x*1." 1650 (w) (C=C), 3070, 708 cm"1 (as CH= CH) (Infracord); re22d 1.5260; " 1656, 710, 3067 cm-*) [lit.8 bp 100-102°( 9 mm)].…”
“…Tricyclo[6.2.2.O2•7]dodeca-3,9-diene (12).8S•38-In a sealed tube 30.8 g (0.308 mole) of 80% 1,3-cyclohexadiene with a trace of hydroquinone was heated for 24 hr at 200°. The product was distilled over sodium: bp 103-106°( 13 mm); yield 7.35 g (30%); 22•1» 1.5269; x*1." 1650 (w) (C=C), 3070, 708 cm"1 (as CH= CH) (Infracord); re22d 1.5260; " 1656, 710, 3067 cm-*) [lit.8 bp 100-102°( 9 mm)].…”
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