- Rh-Catalyzed [3 + 2] Cycloaddition of 1-Sulfonyl-1,2,3-triazoles: Access to the Framework of Aspidosperma and Kopsia Indole Alkaloids
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A Rh(II)-catalyzed dearomative intramolecular [3 + 2] dipolar cycloaddition involving the indolic C2-C3 carbon-carbon double bond has been developed. The reaction was launched from the triazole moiety within the substrate and proceeded efficiently under m
- Li, Yun,Zhang, Qingyu,Du, Qiucheng,Zhai, Hongbin
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- Intramolecular inverse electron demand Diels-Alder reactions of tryptamine with tethered heteroaromatic azadienes
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1,2,4,5-Tetrazines and 1,2,4-triazines tethered to tryptamine via the ethylamine side chain undergo intramolecular inverse electron demand cycloadditions to produce adducts with the [ABazaCE]-ring skeleton of the Aspidosperma alkaloids. (C) 2000 Elsevier Science Ltd.
- Benson, Scott C.,Lee, Lily,Yang, Lydie,Snyder, John K.
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p. 1165 - 1180
(2007/10/03)
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