1,3,3-Trimethyl-2-methyleneindoline → HCID 10873793, Verbindung

HRID 1109434

Reaktionsgleichung

Reaktionsgleichung von HRID 1109434
[C:1]([O:6][CH2:7][C:8]1[CH:15]=[C:14]([N+:16]([O-:18])=[O:17])[CH:13]=[C:10]([CH:11]=O)[C:9]=1[SH:19])(=[O:5])[C:2]([CH3:4])=[CH2:3].[CH2:20]=[C:21]1[C:29]([CH3:31])([CH3:30])[C:28]2[C:23](=[CH:24][CH:25]=[CH:26][CH:27]=2)[N:22]1[CH3:32]>CC(=O)CC>[C:1]([O:6][CH2:7][C:8]1[C:9]2[S:19][C:21]3([C:29]([CH3:31])([CH3:30])[C:28]4[C:23](=[CH:24][CH:25]=[CH:26][CH:27]=4)[N:22]3[CH3:32])[CH:20]=[CH:11][C:10]=2[CH:13]=[C:14]([N+:16]([O-:18])=[O:17])[CH:15]=1)(=[O:5])[C:2]([CH3:4])=[CH2:3]

Komponenten

4

Versuchsvorschrift

In 120 ml of 2-butanone were dissolved 14.1 g of 3-methacryloxymethyl-5-nitrothiosalicylaldehyde and 8.7 g of 2-methylene-1,3,3-trimethylindoline and the mixture was refluxed in a nitrogen atmosphere for 20 hours. The reaction mixture was then concentrated under reduced pressure and the residue was purified by silica gel column chromatography to give 15.9 g of 8-methacryloxymethyl-6-nitro-1',3',3'-trimethylspiro[2H-1-benzothiopyran-2,2'-indoline] as light yellow crystals (Yield 73%).

Aufarbeitung

  1. temperaturethe mixture was refluxed in a nitrogen atmosphere for 20 hours
  2. concentrationThe reaction mixture was then concentrated under reduced pressure
  3. customthe residue was purified by silica gel column chromatography

Quellen und Nachweise

ORD-Eintrag
ord-fc6b4c2bba464692aaafd8fde8cb0f2d
Quelldatensatz
uspto-grants-1994_06
Patentnummer
US05320784

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