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- W2951452180 abstract "The reaction of 4-amino-2,5-dihydro-2- and -5-methyl-3-thiophenecarbonitriles with α-diazocarbonyl compounds in the presence of rhodium(II) acetate gave regioselectively 4-cyano-2H-thiopyrans (C2-S insertion) in moderate to good yields; 5-cyano-2H-thiopyrans (C5-S insertion) were not isolated. The starting compounds were synthesized by reaction of tetrahydro-2- and -5-methyl-4-oxo-3-thiophenecarbonitriles with morpholine, piperidine, and pyrrolidine in the presence of formic acid in ethanol." @default.
- W2951452180 created "2019-06-27" @default.
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- W2951452180 date "2000-10-17" @default.
- W2951452180 modified "2023-09-24" @default.
- W2951452180 title "ChemInform Abstract: Synthesis of 2H-Thiopyrans by Rhodium(II) Acetate-Catalyzed Reaction of 4-Amino-2,5-dihydro-3-thiophenecarbonitriles with α-Diazocarbonyl Compounds. Part 1." @default.
- W2951452180 cites W2086535455 @default.
- W2951452180 doi "https://doi.org/10.1002/chin.200042121" @default.
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