| Identification | More | [Name]
2,2-Difluoro-1,3-benzodioxole | [CAS]
1583-59-1 | [Synonyms]
2,2-DIFLUORO-1,3-BENZODIOXOLE
2,2-DIFLUORO-BENZO[1,3]DIOXOLE
2,2-DIFLUOROBENZODIOXOLE
LABOTEST-BB LT01148491
difluoromethylenedioxybenzene
1,2-[(Difluoromethylene)dioxy]benzene
2,2-Difluoro-1,3-benzodioxole 98%
2,2-Difluoro-1,3-benzodioxole98%
2,2-Difluoro-2H-1,3-benzodioxole | [EINECS(EC#)]
216-431-4 | [Molecular Formula]
C7H4F2O2 | [MDL Number]
MFCD00236217 | [Molecular Weight]
158.1 | [MOL File]
1583-59-1.mol |
| Safety Data | Back Directory | [Hazard Codes ]
Xi | [Risk Statements ]
R36/37/38:Irritating to eyes, respiratory system and skin . | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S36/37:Wear suitable protective clothing and gloves . | [RIDADR ]
UN1993 | [WGK Germany ]
3 | [Hazard Note ]
Irritant | [HazardClass ]
3 | [PackingGroup ]
III | [HS Code ]
2932990090 |
| Questions And Answer | Back Directory | [Uses]
2,2-Difluoro-1,3-benzodioxole is an intermediate compound which is used especially for the preparation of products for agricultural chemistry and for the synthesis of pharmaceutical products.
2,2-difluoro-1,3-benzodioxole is a useful difluoromethylated building block for the synthesis of various benzodioxole-containing pharmaceutical active compounds.
2-,3-,and 4-(Trifluoromethoxy)phenyllithiums: Versatile intermediates offering access to a variety of new organofluorine compounds.
Selective aliphatic fluorination by halogen exchange in mild conditions.
| [Preparation]
2,2-Difluoro-1,3-benzodioxole is prepared by reaction of 2,2-dichloro-1,3-benzodioxole with potassium fluoride in the presence of an effective quantity of a catalyst selected from potassium hydrogen fluoride, sodium hydrogen fluoride, cesium hydrogen fluoride, rubidium hydrogen fluoride, and quaternary ammonium hydrogen fluoride.
https://patents.google.com/patent/US5432290A/en
| [References]
[1] E.Castagnetti, et al, Eur. J. Org. Chem., 2001, 2001(4), pp 691-695.
[2] L.Saint-Jalmes, J. F. Chem., 2006, 127(1), pp 85-90.
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