The efficient, highly selective photocyc
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Andrew Gilbert; Grahame Taylor
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Article
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1977
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Elsevier Science
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French
β 202 KB
The 254 nm irradiation of benzene in the presence of ethylenes which have ionisation potentials less than ca. 9.1 e7 yields either exo and endo 1,3-cycloadducts (1) or a mixture of 1,2-( ) and ---