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About This Item
Empirical Formula (Hill Notation):
C19H17F4NO4
CAS Number:
Molecular Weight:
399.34
MDL number:
UNSPSC Code:
12352200
PubChem Substance ID:
NACRES:
NA.22
form
powder
storage temp.
2-8°C
SMILES string
FC1=C(F)C(C#N)=C(F)C(F)=C1C2(CCC)C(OC3(CCCCC3)OC2=O)=O
InChI
1S/C19H17F4NO4/c1-2-6-19(11-14(22)12(20)10(9-24)13(21)15(11)23)16(25)27-18(28-17(19)26)7-4-3-5-8-18/h2-8H2,1H3
InChI key
YAKREKYYFSATAN-UHFFFAOYSA-N
General description
4-(2,4-Dioxo-3-propyl-1,5-dioxaspiro[5.5]-undecan-3-yl)-2,3,5,6-tetrafluorobenzonitrile is a substituted Meldrum′s acid derivative. It can be prepared by reacting pentafluorobenzonitrile with 3-propyl-1,5-dioxaspiro[5.5]-undecane-2,4-dione.
Application
This compound undergoes cycloreversion to form the fluoro(hetero)aryl ketene, which undergoes efficient coupling with nucleophiles and allows rapid incorporation of highly fluorinated α-fluoro(hetero)aryl acetic acid derivatives.
Storage Class Code
13 - Non Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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