ChemicalBook--->CAS DataBase List--->149125-30-4

149125-30-4

149125-30-4 Structure

149125-30-4 Structure
IdentificationBack Directory
[Name]

7-TRIFLUOROMETHOXY-ISATIN
[CAS]

149125-30-4
[Synonyms]

7-TRIFLUOROMETHOXY-ISATIN
7-(trifluoromethoxy)indoline-2,3-dione
7-(TRIFLUOROMETHOXY)-1H-INDOLE-2,3-DIONE
1H-Indole-2,3-dione, 7-(trifluoromethoxy)-
7-TRIFLUOROMETHOXY-ISATIN ISO 9001:2015 REACH
7-(trifluoroMethoxy)-2,3-dihydro-1H-indole-2,3-dione
[Molecular Formula]

C9H4F3NO3
[MDL Number]

MFCD06804535
[MOL File]

149125-30-4.mol
[Molecular Weight]

231.13
Chemical PropertiesBack Directory
[density ]

1.562±0.06 g/cm3(Predicted)
[storage temp. ]

Sealed in dry,Room Temperature
[pka]

8.42±0.20(Predicted)
[Appearance]

Yellow to orange Solid
Safety DataBack Directory
[Symbol(GHS) ]

Exclamation Mark (GHS07)
GHS07
[Signal word ]

Warning
[Hazard statements ]

H302-H315-H319-H335
[Precautionary statements ]

P261-P305+P351+P338
Spectrum DetailBack Directory
[Spectrum Detail]

7-TRIFLUOROMETHOXY-ISATIN(149125-30-4)1HNMR
Hazard InformationBack Directory
[Synthesis]

2-(hydroxyimino)-N-(2-(trifluoromethoxy)phenyl)acetamide

848027-63-4

7-TRIFLUOROMETHOXY-ISATIN

149125-30-4

GENERAL STEPS: Concentrated sulfuric acid (95 mL) was added to a flask preheated to 60 °C. Intermediate 2 (12 g, 52 mmol) was added slowly in batches while keeping the temperature below 70°C. The reaction was then warmed to 80°C and maintained at this temperature for 3 hours. The reaction system was then warmed to 80 °C and maintained at this temperature for 3 hours. Upon completion of the reaction, the solution was cooled to room temperature and slowly poured into crushed ice under vigorous stirring. The precipitate precipitated was collected by filtration and dried under vacuum to give the final product 7-(trifluoromethoxy)-1H-indole-2,3-dione (product 3).

[References]

[1] Chinese Chemical Letters, 2017, vol. 28, # 6, p. 1248 - 1251
[2] Patent: US2008/255192, 2008, A1. Location in patent: Page/Page column 16-17
[3] Patent: US2005/59823, 2005, A1. Location in patent: Page 15
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