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3-Oxocyclobutanecarboxylic acid

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3-Oxocyclobutanecarboxylic acid Basic information

Product Name:
3-Oxocyclobutanecarboxylic acid
Synonyms:
  • 3-OXO-CYCLOBUTANECARBOXYLIC ACID
  • (3-oxocyclobutyl)carboxylic acid
  • 3-Oxycyclobutanecarboxylic acid
  • 3-Oxo-cyclobutanecarboxylic acid ,95%
  • 3-Oxocyclobutanecarboxyli...
  • 3-oxocyclobutanecarboxylic acid(SALTDATA: FREE)
  • 3-Oxocyclobutane-1-carboxylic acid 98%
  • IFLAB-BB F2124-0041
CAS:
23761-23-1
MF:
C5H6O3
MW:
114.1
EINECS:
639-432-5
Product Categories:
  • Building Blocks/Intermediates
  • API intermediates
  • Pharmaceutical intermediate
  • Miscellaneous Reagents
Mol File:
23761-23-1.mol
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3-Oxocyclobutanecarboxylic acid Chemical Properties

Melting point:
69-70℃
Boiling point:
296°C
Density 
1.431
Flash point:
147°C
storage temp. 
Keep in dark place,Sealed in dry,Room Temperature
form 
Solid
pka
4.35±0.20(Predicted)
color 
Off-white
Water Solubility 
Slightly soluble in water.
InChI
InChI=1S/C5H6O3/c6-4-1-3(2-4)5(7)8/h3H,1-2H2,(H,7,8)
InChIKey
IENOFRJPUPTEMI-UHFFFAOYSA-N
SMILES
C1(C(O)=O)CC(=O)C1
CAS DataBase Reference
23761-23-1(CAS DataBase Reference)
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Safety Information

Hazard Codes 
Xn
Risk Statements 
22
Safety Statements 
26-37-60
TSCA 
No
HS Code 
29189900
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3-Oxocyclobutanecarboxylic acid Usage And Synthesis

Description

3-Oxocyclobutanecarboxylic acid is an organic common intermediate compound used in pharmaceuticals, organic synthesis and organic light-emitting diode (OLED) intermediates. Abrocitinib, prepared from 3-Oxocyclobutanecarboxylic acid, is approved for the treatment of adult patients with atopic dermatitis (AD), as well as patients with refractory moderate to severe AD who have had limited or minimal response to other systemic medications.

Chemical Properties

White solid

Uses

3-Oxocyclobutanecarboxylic Acid (cas# 23761-23-1) is a compound useful in organic synthesis.

Application

3-Oxocyclobutanecarboxylic acid is a very important medicine intermediate, it is widely applied in the synthetic of tens kinds of bulk drugs, such as ACK1 antibody, the MDM2 antagonist, the JAK inhibitor, CETP inhibitor, kinase inhibitor, the PDE10 inhibitor, thrombin inhibitors and in autoimmunization chronic inflammatory diseases and antitumor drug, all being used to.

Preparation

The target product 3-oxocyclobutanecarboxylic acid is obtained by adopting acetone, bromine, and malononitrile as raw materials, adopting ethanol, DMF (dimethyl formamide), and water as solvents, adopting sodium iodide as an activating agent and tetrabutylammonium bromide (TBAB) as a phase transfer catalyst through three-step reaction.

Synthesis Reference(s)

The Journal of Organic Chemistry, 53, p. 3841, 1988 DOI: 10.1021/jo00251a033

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