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391794

Sigma-Aldrich

1,1′-(4,6-Dihydroxy-1,3-phenylene)bisethanone

99%

Synonym(s):

4,6-Diacetylresorcinol

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About This Item

Linear Formula:
(HO)2C6H2(COCH3)2
CAS Number:
2161-85-5
Molecular Weight:
194.18
EC Number:
218-482-8
MDL number:
MFCD00017655
UNSPSC Code:
12352100
PubChem Substance ID:
24864402
NACRES:
NA.22

Assay

99%

mp

178-180 °C (lit.)

SMILES string

CC(=O)c1cc(C(C)=O)c(O)cc1O

InChI

1S/C10H10O4/c1-5(11)7-3-8(6(2)12)10(14)4-9(7)13/h3-4,13-14H,1-2H3

InChI key

GEYCQLIOGQPPFM-UHFFFAOYSA-N

General description

1,1′-(4,6-Dihydroxy-1,3-phenylene)bisethanone (4,6-diacetylresorcinol, DAR) is a bifunctional carbonyl compound. Its synthesis by acetylating resorcinol in the presence of zinc chloride has been reported. The crystal structure of DAR has been studied.

Application

1,1′-(4,6-Dihydroxy-1,3-phenylene)bisethanone (4,6-diacetylresorcinol, DAR) may be used in the synthesis of the following:
  • Schiff base ligands
  • hexadentate chalcogenated bisimine ligands
  • 1,5-benzodiazepines
  • ketimine of chitosan
  • mannich bases
  • hydrazone ligands
  • thiosemicarbazone, semicarbazone and thiocarbohydrazone ligands
  • binuclear cobalt(II) and copper(II) complexes
  • europium (III) complexes

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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M Shebl et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 75(1), 428-436 (2009-12-08)
Mono- and binuclear VO(IV), Ce(III), Th(IV) and UO(2)(VI) complexes of thiosemicarbazone, semicarbazone and thiocarbohydrazone ligands derived from 4,6-diacetylresorcinol were synthesized. The structures of these complexes were elucidated by elemental analyses, IR, UV-vis, ESR, (1)H NMR and mass spectra as well
Structure of 4, 6-diacetylresorcinol.
Kokila MK, et al.
Acta Crystallographica Section C, Crystal Structure Communications, 48(6), 1133-1134 (1992)
Cahit Demetgül
Carbohydrate polymers, 89(2), 354-361 (2012-06-20)
In this study, a new chitosan derivative (ketimine) was synthesized by condensation of chitosan with 4,6-diacetylresorcinol (DAR) at heterogeneous medium. The ketimine derivative of chitosan (DAR-chitosan) was characterized by elemental (C, H, N), spectral (DR-UV-vis and FT-IR spectroscopy), structural (powder
Mohammed Sardaryar Khan et al.
Acta poloniae pharmaceutica, 67(3), 261-266 (2010-06-09)
In the present study, a series of Mannich bases was synthesized by condensing 4,6-diacetylresorcinol with formaldehyde and some selected secondary amines following the Mannich reaction conditions. Findings revealed that Mannich reaction did not take place at the acetyl function but
Magdy Shebl et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 113, 356-366 (2013-06-08)
Reactions of 4,6-diacetylresorcinol with different cobalt(II) and copper(II) salts viz., OAc(-), Cl(-), NO3(-) and SO4(2-), yielded a new series of binuclear metal complexes. Reactions of the ligand with these metal ions in the presence of a secondary ligand (L') [O,O-donor;
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