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HomeProduct name listIsoxepac

Isoxepac

Synonym(s):(11-Oxo-6,11-dihydrodibenzo[b,e]oxepin-2-yl)acetic acid;Isoxepac;NSC 300907

  • CAS NO.:55453-87-7
  • Empirical Formula: C16H12O4
  • Molecular Weight: 268.26
  • MDL number: MFCD00242952
  • EINECS: 611-268-9
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-10-31 18:15:48
Isoxepac Structural

What is Isoxepac?

Chemical properties

Beige Solid

The Uses of Isoxepac

Isoxepac is a non-steroidal anti-inflammatory with analgesic and antipyretic activity. It is more slowly absorbed and eliminated in the rat and rabbit after oral dosing than in the dog, rhesus monkey and man.It can be used to treat allergic rhinitis, urticaria, and skin diseases with itching symptoms.

Definition

ChEBI: Isoxepac is a dibenzooxazepine.

Preparation

Isoxic acid is an important intermediate in the synthesis of the new preferred anti-allergic drug, olopatadine hydrochloride, preparation method of isoxepac:
(1) condensation: prepare p-hydroxyphenylaceticacid 8-12 part, phthalide 6-12 part, sodium methylate 8-12 part by weight; Dissolve with DMAC and to add said sodium methylate behind said p-hydroxyphenylaceticacid and the phthalide; Be that 0.1-10Pa is heated to 80-170 ℃ of reaction 3-10h at pressure then; Regulate the pH value to 1-5,4-(2-carboxyl benzyloxy) toluylic acid is separated out in crystallization;
(2) cyclization: with Glacial acetic acid min. 99.5 dissolving step (1) gained 4-(2-carboxyl benzyloxy) toluylic acid, adding 3-52 weight part polyphosphoric acid again, is that 0.1-10Pa is heated to 30-100 ℃ of reaction 3-12h at pressure, and crystallisation by cooling gets the Isoxepac bullion then;
(3) purify: behind the said Isoxepac bullion of acetic acid ethyl dissolution, refining decolouring gets the Isoxepac product.
https://patents.google.com/patent/CN102838582A/en

brand name

Artil(Hoechst-Roussel) .

Toxicity

LD50 orally in rats: 199 mg/kg (Ueno)

Properties of Isoxepac

Melting point: 130-132°C
Boiling point: 528.2±50.0 °C(Predicted)
Density  1.39 g/cm3
storage temp.  Sealed in dry,Room Temperature
solubility  soluble in Methanol
form  neat
pka 4.24±0.10(Predicted)
form  Solid
color  White to Light yellow to Light orange
Merck  14,5237
CAS DataBase Reference 55453-87-7(CAS DataBase Reference)

Safety information for Isoxepac

Signal word Danger
Pictogram(s)
ghs
Skull and Crossbones
Acute Toxicity
GHS06
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
Precautionary Statement Codes P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P270:Do not eat, drink or smoke when using this product.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P332+P313:IF SKIN irritation occurs: Get medical advice/attention.
P337+P313:IF eye irritation persists: Get medical advice/attention.
P405:Store locked up.

Computed Descriptors for Isoxepac

InChIKey QFGMXJOBTNZHEL-UHFFFAOYSA-N

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