McN5652

McN5652[1] is a molecule that can be radiolabeled and then used as a radioligand in positron emission tomography (PET) studies. The [11C]-(+)-McN5652 enantiomer binds to the serotonin transporter.[2] The radioligand is used for molecular neuroimaging and for imaging of the lungs.[3]

McN5652
Names
IUPAC name
rel-(6R,10bS)-6-[4-(Methylsulfanyl)phenyl]-1,2,3,5,6,10b-hexahydropyrrolo[2,1-a]isoquinoline
Other names
trans-McN-5652
Identifiers
CAS Number
3D model (JSmol)
ChEMBL
ChemSpider
PubChem CID
Properties
Chemical formula
C19H21NS
Molar mass 295.44 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

It was developed by Johnson & Johnson's McNeil Laboratories. According to McNeil, McN5652 was among the strongest SRI ever reported at the time of its discovery (sub nM Ki). However, it is not completely 5-HT selective: the racemate has 5-HT=0.68, NA=2.9, and D=36.8nM, whereas (+)-enantiomer has 5-HT=0.39, NA=1.8, and D=23.5 nM. Paroxetine was listed as 5-HT=0.44 nM, NA=20, and DA=460nM in the same paper by the same authors.

Derivatives

See for example: U.S. Patent 20,120,321,559 cited in PC44438935.

See also

References

  1. US 4595688 Certain Hexahydro-6-Arylprylpyrrolo [2,1-A]Isoquinoline
  2. M. Suehiro; U. Scheffel; H. T. Ravert; R. F. Dannals; H. N. Jr Wagner (1993). "[11C](+)McN5652 as a radiotracer for imaging serotonin uptake sites with PET". Life Sciences. 53 (11): 883–92. doi:10.1016/0024-3205(93)90440-E. PMID 8366755.
  3. Akihiro Takano; Hiroshi Ito; Yasuhiko Sudo; Makoto Inoue; Tetsuya Ichimiya; Fumihiko Yasuno; Kazutoshi Suzuki; Tetsuya Suhara (August 2007). "Effects of smoking on the lung accumulation of [11C]McN5652". Annals of Nuclear Medicine. 21 (6): 349–54. doi:10.1007/s12149-007-0031-1. PMID 17705015.


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