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58279

Sigma-Aldrich

Isatoic anhydride

technical, ≥94% (HPLC)

Synonym(s):

3,1-Benzoxazine-2,4(1H)-dione, Anthranilic acid N-carboxylic acid anhydride

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About This Item

Empirical Formula (Hill Notation):
C8H5NO3
CAS Number:
118-48-9
Molecular Weight:
163.13
Beilstein:
136786
EC Number:
204-255-0
MDL number:
MFCD00006700
UNSPSC Code:
12162002
PubChem Substance ID:
329758412

vapor density

5.6 (vs air)

grade

technical

Assay

≥94% (HPLC)

mp

233 °C (dec.) (lit.)

SMILES string

O=C1Nc2ccccc2C(=O)O1

InChI

1S/C8H5NO3/c10-7-5-3-1-2-4-6(5)9-8(11)12-7/h1-4H,(H,9,11)

InChI key

TXJUTRJFNRYTHH-UHFFFAOYSA-N

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Other Notes

Review; Reagent for 2-aminobenzoylations

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M.C. Venuti
Synthesis, 266-266 (1982)
G.M. Coppola
Synthesis, 505-505 (1980)
M H Gelb et al.
Journal of medicinal chemistry, 29(4), 585-589 (1986-04-01)
Derivatives of isatoic anhydride were prepared and tested as inhibitors of serine proteases. A number of isatoic anhydrides with positively charged substituents irreversibly inactivated several trypsin-like enzymes and preferentially inactivated trypsin over chymotrypsin. Further selectivity was obtained by introduction of
E H Ohlstein et al.
Life sciences, 46(3), 181-188 (1990-01-01)
The biosynthesis and modulation of the vasoconstrictor peptide endothelin was studied in the conditioned medium from cultured bovine pulmonary artery endothelial (BPAE) cells. Conditioned medium from cultured BPAE cells produced contraction of isolated rabbit aortic rings. Incubation of BPAE cells
K Siva Kumar et al.
Organic & biomolecular chemistry, 10(15), 3098-3103 (2012-03-10)
A one-pot cascade reaction has been developed leading to the concurrent construction of six and five membered fused N-heterocyclic rings of indazolo[3,2-b]quinazolinones. The methodology involved the reaction of isatoic anhydride, a hydrazine and o-iodo benzaldehyde in the presence of Pd(PPh(3))(4)
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