ChemicalBook CAS DataBase List 117414-74-1

117414-74-1

Name	D-4-[(2E)-3-PHOSPHONO-2-PROPENYL]-2-PIPERAZINECARBOXYLIC ACID
CAS	117414-74-1
Molecular Formula	C8H15N2O5P
MDL Number	MFCD00878116
Molecular Weight	250.19
MOL File	117414-74-1.mol

Chemical Properties

Boiling point	555.6±60.0 °C(Predicted)
density	1.449±0.06 g/cm3(Predicted)
storage temp.	Desiccate at RT
form	Powder
pka	1.27±0.10(Predicted)
color	White
Water Solubility	Soluble to 100 mM in water

Hazard Information

Uses

D-CPP-ene is a potent, competitive NMDA antagonist (1). NMDA antagonists such as this may increase sucrose intake through hunger satiation delay (2).

Definition

ChEBI: Midafotel is a member of the class of piperazines that is piperazine substituted by a carboxy group at position 2R and a (1E)-1-phosphonoprop-1-en-3-yl group at position 4. It is an antagonist of N-methyl-D-aspartate receptors (NMDARs) and was in clinical development by Novartis for the treatment of cognition disorders and brain injuries (now discontinued). It has a role as a NMDA receptor antagonist, a neuroprotective agent and an anticonvulsant. It is a piperazinecarboxylic acid, a monocarboxylic acid, a member of phosphonic acids, an olefinic compound and a tertiary amino compound.

Biological Activity

Potent and competitive NMDA antagonist (K i = 40 nM). Centrally active following systemic administration.

in vivo

Midafotel (15 mg/kg; i.p.) causes intense stereotyped behaviors in rats^[2].
Midafotel (1.5, 4.5, 15 mg/kg; i.v.; initiated 15 min prior to MCA occlusion (followed by constant infusion at 1, 3 or 10 mg/kg/h)) produces dose-dependent reductions in the volumes of infarction; the dose of 4.5 mg/kg being the most effective in focal cerebral ischemia in the rat^[3].

Animal Model:	Adult female Wistar rats^[2]
Dosage:	15 mg/kg
Administration:	I.p.
Result:	Induced the typical PCP-like behavioral syndrome with ataxia, hyperlocomotion and stereotyped behaviors, i.e., head weaving, stereotyped sniffing, face washing and grooming, significantly increased extracellular levels of HVA and 5-HIAA in the striatum.

IC 50

NMDA Receptor: 39 nM ()

storage

Desiccate at RT

Supplier

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