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Merck

P5749

Sigma-Aldrich

S-(+)-PD 123177 trifluoroacetate salt hydrate

≥98% (HPLC), solid

Synonym(e):

(S)-1-[(4-Amino-3-methylphenyl)methyl]-5-(diphenylacetyl)-4,5,6,7-tetrahydro-1H-Imidazo[4,5-c]pyridine-6-carboxylic acid trifluoroacetate salt hydrate

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About This Item

Empirische Formel (Hill-System):
C29H28N4O3 · xC2HF3O2 · yH2O
Molekulargewicht:
480.56 (anhydrous free base basis)
MDL-Nummer:
UNSPSC-Code:
12352200
PubChem Substanz-ID:
NACRES:
NA.77

Assay

≥98% (HPLC)

Form

solid

Farbe

white to off-white

Löslichkeit

H2O: >5 mg/mL

Lagertemp.

2-8°C

SMILES String

O.OC(=O)C(F)(F)F.Cc1cc(Cn2cnc3CN([C@@H](Cc23)C(O)=O)C(=O)C(c4ccccc4)c5ccccc5)ccc1N

InChI

1S/C29H28N4O3.C2HF3O2.H2O/c1-19-14-20(12-13-23(19)30)16-32-18-31-24-17-33(26(29(35)36)15-25(24)32)28(34)27(21-8-4-2-5-9-21)22-10-6-3-7-11-22;3-2(4,5)1(6)7;/h2-14,18,26-27H,15-17,30H2,1H3,(H,35,36);(H,6,7);1H2/t26-;;/m0../s1

InChIKey

IRRZMYRIDIBBQG-ROPHLPQBSA-N

Biochem./physiol. Wirkung

S-(+)-PD 123177 is selective AT2 angiotensin receptor antagonist. The angiotensin AT2 receptor is an atypical seven transmembrane domain receptor that is coupled to activation of tyrosine phosphatase and inhibition of MAP kinase, and does not undergo agonist-induced internalization. An investigation of the occurrence and nature of AT2 receptor phosphorylation revealed that phorbol ester-induced activation of protein kinase C (PKC) in HA-AT2 receptor-expressing COS-7 cells caused rapid and specific phosphorylation of a single residue (Ser354) located in the cytoplasmic tail of the receptor. Agonist activation of AT2 receptors by angiotensin II (Ang II) also caused rapid PKC-dependent phosphorylation of Ser354 that was prevented by the AT2 antagonist, S-(+)-PD 123177, and by inhibitors of PKC. In cells coexpressing AT1 and AT2 receptors, Ang II-induced phosphorylation of the AT2 receptor was reduced by S-(+)-PD 123177 and abolished by treatment with both antagonists or with PKC inhibitors. These findings indicate that the AT2 receptor is rapidly phosphorylated via PKC during homologous activation by Ang II, and also undergoes heterologous PKC-dependent phosphorylation during activation of the AT1 receptor.

Leistungsmerkmale und Vorteile

This compound is featured on the Angiotensin Receptors page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable


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