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- W3084425736 endingPage "12127" @default.
- W3084425736 startingPage "12117" @default.
- W3084425736 abstract "The three-component reaction of alkyl 2-(benzo[b][1,4]thiazin-3-ylidene)acetates, isatins, and 1,3-indanedione (1,3-cyclopentanedione) in ethanol in the presence of acetic acid conveniently afforded spiro[indeno[1,2-b]phenothiazine-6,3′-indolines] or spiro[cyclopenta[b]phenothiazine-4,3′-indolines] in good yields and with high diastereoselectivity. More interestingly, a similar three-component reaction with 4-hydroxychromen-2-one resulted in the unexpected polycyclic spiro[benzo[b]chromeno[3′,4′:5,6]pyrano[2,3-e][1,4]thiazine-7,3′-indolines] in satisfactory yields. A plausible reaction mechanism was rationally proposed for formation of different kinds of the spiro compounds, and the stereochemistries of the various spiro compounds were clearly elucidated." @default.
- W3084425736 created "2020-09-14" @default.
- W3084425736 creator A5042085542 @default.
- W3084425736 creator A5048467113 @default.
- W3084425736 creator A5071478549 @default.
- W3084425736 creator A5072635747 @default.
- W3084425736 date "2020-09-09" @default.
- W3084425736 modified "2023-09-24" @default.
- W3084425736 title "Selective Construction of Diverse Polycyclic Spirooxindoles via a Three-Component Reaction of Cyclic Mercapto-Substituted β-Enamino Esters, Isatins, and Cyclic 1,3-Diketones" @default.
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- W3084425736 doi "https://doi.org/10.1021/acs.joc.0c01290" @default.
- W3084425736 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/32901479" @default.
- W3084425736 hasPublicationYear "2020" @default.
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