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Enediyne 2 undergoes complete cycloaromatization at 20°C within 30 min; see ref 6
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Enediyne 2 undergoes complete cycloaromatization at 20°C within 30 min; see ref 6.
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0039479303
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Prepared by the condensation of dry acetylene gas into THF at -78°C followed by treatment with n-BuLi (see, Midland, M. M.; McLoughlin, J. I.; Werley, R. T. Org. Synth. 1989, 68, 14) and transmetalation with cerium chloride.
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0344362548
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Crystal data for 13 may be obtained from Cambridge Cryatallographic Data Centre; deposition CCDC 107106
-
Crystal data for 13 may be obtained from Cambridge Cryatallographic Data Centre; deposition CCDC 107106.
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39
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0344794339
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note
-
1H NMR spectra for the recovered materials were identical to those of the purified starting compounds 5 and 6.
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