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- W2950656199 abstract "Abstract 2,4,6-Tris(dialkylamino)pyrylium salts 9 and 2,6-bis(dialkylamino)pyran-4-ones 11 as well as their thio-analogues 10 , 12 have been prepared by a multi-step route starting with 1,1,5,5-tetrachloro-penta-1,4-dien-3-one ( 1 ). The tris(dialkylamino)-substituted 9 , 10 undergo electrophilic substitution. They are better represented as polymethine-like systems. The 2,6-bis(dialkylamino)-substituted 11 , 12 display a significantly increased donor-reactivity at the carbonyl-oxygen." @default.
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- W2950656199 date "1989-03-21" @default.
- W2950656199 modified "2023-09-24" @default.
- W2950656199 title "ChemInform Abstract: 2,4,6-Tris(dialkylamino)pyrylium Salts and Related Systems, Synthesis and Reaction Behaviour." @default.
- W2950656199 cites W2072708152 @default.
- W2950656199 doi "https://doi.org/10.1002/chin.198912190" @default.
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