Cycloaddition reactions of cyclooctyne w
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W. Verboom; H. J. T. Bos
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Article
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2010
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Elsevier Science
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English
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## Abstract Treatment of a solution of 9,10โphenanthrenequinone **4** and cyclooctyne **2** in chloroform with boron trifluorideโether affords the quinoid ฮฑ,ฮฒโunsaturated ketone **5** with loss of carbon monoxide. Reaction of 3,5โdiโ__tert__โbutylโ__o__โbenzoquinone **9** with cyclooctyne **2** giv