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- W2134769349 abstract "Treatment of o-nitrostyrenes with aqueous TiCl3 solution at room temperature afforded indoles through a formal reductive C(sp2)–H amination process. A range of functions such as halides (Cl, Br), carbonyl (ester, carbamate), cyano, hydroxy, and amino groups were tolerated. From β,β-disubstituted o-nitrostyrenes, 2,3-disubstituted indoles were formed by a domino reduction/cyclization/migration process. Mild conditions, simple experimental procedure, ready accessibility of the starting materials and good to excellent yields characterize the present transformation. The methodology was used as a key step in a concise synthesis of rizatriptan and a formal total synthesis of aspidospermidine." @default.
- W2134769349 created "2016-06-24" @default.
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- W2134769349 creator A5071067052 @default.
- W2134769349 date "2015-08-18" @default.
- W2134769349 modified "2023-10-01" @default.
- W2134769349 title "Aqueous Titanium Trichloride Promoted Reductive Cyclization of <i>o</i> ‐Nitrostyrenes to Indoles: Development and Application to the Synthesis of Rizatriptan and Aspidospermidine" @default.
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- W2134769349 doi "https://doi.org/10.1002/anie.201505713" @default.
- W2134769349 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/26289138" @default.
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