Evidence for a ladenburg benzene interme
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Edward M. Arnett; J.Martin Bollinger
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Article
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1964
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Elsevier Science
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French
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1,2,4,5-Tetra-l-butylbenzene (394) (TTBB) is believed to be a highly strained boat-shaped molecule (4) (I) and so might be expected to undergo photoisomerisation to a Dewar benzene (II) more readily than does 1,2,4-trit-butylbenzene(5'6), which was the first compound reported to undergo such a conve