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160385

Sigma-Aldrich

Phthalimide potassium salt

98%

Synonym(s):

1,3-Dihydro-1,3-dioxoisoindole potassium salt, Potassium phthalimide

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About This Item

Empirical Formula (Hill Notation):
C8H4KNO2
CAS Number:
1074-82-4
Molecular Weight:
185.22
Beilstein/REAXYS Number:
3598719
EC Number:
214-046-6
MDL number:
MFCD00005887
UNSPSC Code:
12352100
PubChem Substance ID:
24849866
NACRES:
NA.22

Quality Level

300

assay

98%

form

powder

mp

>300 °C (lit.)

solubility

water: soluble 50 mg/mL, clear to slightly hazy, colorless to yellow

SMILES string

[K]N1C(=O)c2ccccc2C1=O

InChI

1S/C8H5NO2.K/c10-7-5-3-1-2-4-6(5)8(11)9-7;/h1-4H,(H,9,10,11);/q;+1/p-1

InChI key

FYRHIOVKTDQVFC-UHFFFAOYSA-M

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Application

Condensation of phthalimide potassium with organic halide in dimethylformamide has been reported. Reaction of potassium phthalimide and sulfur monochloride in petroleum ether has been studied.
Phthalimide potassium salt was employed as organocatalyst for the cyanosilylation of various carbonyl compounds under extremely mild conditions. It was also employed as reagent for the transformation of allyl- and alkyl halides into protected primary amines.

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H315,H319

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

wgk_germany

WGK 3

flash_point_f

346.3 °F

flash_point_c

174.6 °C

ppe

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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An improved procedure for the condensation of potassium phthalimide with organic halides.
Sheehan JC and Bolhofer WA.
Journal of the American Chemical Society, 72(6), 2786-2788 (1950)
Tetrahedron Letters, 48, 3043-3043 (2007)
Reactions of Phthalimide and Potassium Phthalimide with Sulfur Monochloride.
Kalnins MV.
Canadian Journal of Chemistry, 44(17), 2111-2113 (1966)
Palladium-catalyzed direct functionalization of imidazolinone: synthesis of dibromophakellstatin.
Jianming Lu et al.
Journal of the American Chemical Society, 129(25), 7768-7769 (2007-06-02)
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Dekamin MG and Karimi Z.
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