About: Novel Spiro[2H-indol]-3(1H)-ones from Quinolinediones     Goto   Sponge   NotDistinct   Permalink

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  • As a part of our continuous interest in quinolinediones, the ring contraction of 3-hydroxy-3-methyl-1-phenylquinoline-2,4(1H,3H)-dione (1) to 2-hydroxy-2-methyl-1-phenyl-1,2-dihydro-3H-indol-3-one (2) was reported. Several byproducts accompanied the transformation, the molecular structures of which were recently elucidated as spiro[2H-indol]-3(1H)-ones 3 and 4. Herein some structure elucidation details, plausible mechanism for the formation of 3 and 4, as well as attempts for their independent syntheses, are discussed. Photochromic properties of 3 and 4 are disclosed.
  • As a part of our continuous interest in quinolinediones, the ring contraction of 3-hydroxy-3-methyl-1-phenylquinoline-2,4(1H,3H)-dione (1) to 2-hydroxy-2-methyl-1-phenyl-1,2-dihydro-3H-indol-3-one (2) was reported. Several byproducts accompanied the transformation, the molecular structures of which were recently elucidated as spiro[2H-indol]-3(1H)-ones 3 and 4. Herein some structure elucidation details, plausible mechanism for the formation of 3 and 4, as well as attempts for their independent syntheses, are discussed. Photochromic properties of 3 and 4 are disclosed. (en)
  • Jako část našeho trvajícího výzkumu chinolindionů byla publikována kontrakce kruhu ve 3-hydroxy-3-methyl-1-fenylchinolin-2,4(1H,3H)-dionu (1) za vzniku 2-hydroxy-2-methyl-1-fenyl-1,2-dihydro-3H-indol-3-onu (2). Přeměna je doprovázena vznikem několika vedlejších produktů, jejichž struktura byla v poslední době objasněna; jsou to spiro[2H-indol]-3(1H)-ony 3 a 4. Jsou diskutovány některé podrobnosti z objasnění struktury, pravděpodobný mechanismus vzniku sloučenin 3 a 4, jakož i pokusy o jejich nezávislé syntézy. Jsou uvedeny fotochromní vlastnosti sloučenin 3 a 4. (cs)
Title
  • Novel Spiro[2H-indol]-3(1H)-ones from Quinolinediones
  • Novel Spiro[2H-indol]-3(1H)-ones from Quinolinediones (en)
  • Nové spiro[2H-indol]-3(1H)-ony připravené z chinolindionů (cs)
skos:prefLabel
  • Novel Spiro[2H-indol]-3(1H)-ones from Quinolinediones
  • Novel Spiro[2H-indol]-3(1H)-ones from Quinolinediones (en)
  • Nové spiro[2H-indol]-3(1H)-ony připravené z chinolindionů (cs)
skos:notation
  • RIV/70883521:28110/05:63503713!RIV06-MSM-28110___
http://linked.open.../vavai/riv/strany
  • PO-51
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  • Z(MSM7088352101)
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  • 533361
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  • RIV/70883521:28110/05:63503713
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http://linked.open.../riv/klicovaSlova
  • 3-hydroxyquinoline-2; 4(1H; 3H)-diones; spiro[2H-indol]-3(1H)-ones; ring contraction (en)
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  • [70AB5A4C92B3]
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  • Brno
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  • Brno
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  • Potáček M., Dostál J. (editoři): 11th Blue Danube Symposium on Heterocyclic Chemistry. Book of Abstracts.
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  • Kafka, Stanislav
  • Klásek, Antonín
  • Košmrlj, J.
  • Grad, M.
  • Leban, I.
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http://linked.open.../riv/zahajeniAkce
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number of pages
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  • Masarykova univerzita v Brně
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  • 80-210-3763-6
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  • 28110
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