3,5-Difluoro-4-hydroxybenzylidene imidazolidinone

DFHBI[1]
Names
	IUPAC name (5Z)-5-[(3,5-Difluoro-4-hydroxyphenyl)methylene]-3,5-dihydro-2,3-dimethyl-4H-imidazol-4-one[1]
	Other names 3,5-Difluoro-4-hydroxybenzylidene imidazolidinone; 3,5-Difluoro-4-hydroxybenzylidene imidazolinone; (Z)-4-(3,5-Difluoro-4-hydroxybenzylidene)-1,2-dimethyl-1H-imidazol-5(4H)-one[2];
Identifiers
CAS Number	1241390-29-3;
3D model (JSmol)	Interactive image;
ChemSpider	35035087;
PubChem CID	70808995;
	InChI InChI=1S/C12H10F2N2O2/c1-6-15-10(12(18)16(6)2)5-7-3-8(13)11(17)9(14)4-7/h3-5,17H,1-2H3/b10-5- Key: ZDDIJYXDUBFLID-YHYXMXQVSA-N;
	SMILES CC1=N/C(=C\C2=CC(=C(C(=C2)F)O)F)/C(=O)N1C;
Properties
Chemical formula	C12H10F2N2O2
Molar mass	252.221 g·mol−1
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

3,5-Difluoro-4-hydroxybenzylidene imidazolidinone or DFHBI is an imidazolidinone fluorophore used in various biochemical studies. The benzene ring of DFHBI can freely rotate around the single bond but when it is fixed in planar conformation, DFHBI floresces.[2] It is a synthetic analog of the GFP fluorophore.

References

"DFHBI 1241390-29-3". Sigma Aldrich. Archived from the original on 2022-01-13.
Dou, Jiayi; Vorobieva, Anastassia A.; Sheffler, William; Doyle, Lindsey A.; Park, Hahnbeom; Bick, Matthew J.; Mao, Binchen; Foight, Glenna W.; Lee, Min Yen; Gagnon, Lauren A.; Carter, Lauren (September 2018). "De novo design of a fluorescence-activating β-barrel". Nature. 561 (7724): 485–491. doi:10.1038/s41586-018-0509-0. ISSN 0028-0836. PMC 6275156. PMID 30209393.

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[Sigma-1] "DFHBI 1241390-29-3". Sigma Aldrich. Archived from the original on 2022-01-13.

[barrel-2] Dou, Jiayi; Vorobieva, Anastassia A.; Sheffler, William; Doyle, Lindsey A.; Park, Hahnbeom; Bick, Matthew J.; Mao, Binchen; Foight, Glenna W.; Lee, Min Yen; Gagnon, Lauren A.; Carter, Lauren (September 2018). "De novo design of a fluorescence-activating β-barrel". Nature. 561 (7724): 485–491. doi:10.1038/s41586-018-0509-0. ISSN 0028-0836. PMC 6275156. PMID 30209393.