C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
167/101, 167/47,
C07D 243/24 (2006.01) A61K 49/00 (2006.01) C07B 59/00 (2006.01)
Patent
CA 1304364
ABSTRACT OF THE DISCLOSURE Novel radioactive benzodiazepine derivative represented by the general formula: Image wherein R is hydrogen or a lower alkyl; X* is a radioactive iodine or bromine; Y is hydrogen or a halogen and Z is a halogen or nitro group; or a salt thereof. The compounds enable non-invasive detection of benzodiazepine receptors in human or animal brains, other organs or tissues. Additionally, the compounds enable dynamic tracing of the change in receptor concentration. The compounds are very useful as radioactive diagnostic agents for nuclear medicine in vitro or in vivo or as radio-pharmaceuticals.
580471
Nakatsuka Iwao
Okuno Masami
Shiba Kunio
Yoshitake Akira
Marks & Clerk
Sumitomo Chemical Co. Ltd.
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