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- W3048887533 endingPage "152349" @default.
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- W3048887533 abstract "A Brønsted-acid promoted method for the construction of carbon–carbon bonds between α-substituted indolylmethyl electrophiles and ketene dithioacetals is described. This strategy was utilized to access 2,3-disubstituted cyclopenta[b]indoles via formal [3+2] cycloadditions. Readily available indolyl methanols and α-indolyl-α-amino carbonyl compounds serve as electrophiles upon activation by p-toluenesulfonic acid (PTSA) and react with ketene dithioacetals to result in the formation of two carbon–carbon bonds and a five-membered ring with excellent diastereoselection. The advantages of employing structurally related indolyl precursors to achieve molecular diversity are punctuated by key substitution effects that highlight differences in the mechanisms and guide reaction development." @default.
- W3048887533 created "2020-08-18" @default.
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- W3048887533 date "2020-09-01" @default.
- W3048887533 modified "2023-09-25" @default.
- W3048887533 title "Brønsted acid promoted C–C bond formation between indolylmethyl electrophiles and ketene dithioacetals: Diastereoselective synthesis of highly functionalized cyclopenta[b]indoles" @default.
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- W3048887533 doi "https://doi.org/10.1016/j.tetlet.2020.152349" @default.
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