Synthesis of a 11C-labeled NK1 Receptor Ligand for PET Studies
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文摘
Changes in substance P (SP) receptor concentration have been implicated in neuropsychiatric disorders, Parkinson's disease, arthritis, inflammatory bowel disease and asthma. Since, SP and peptide analogs are rapidly metabolized and do not penetrate into the CNS, they are not useful for PET. Recently, a non-peptide SP antagonist, (+)-(2S,3S)-3-(2-methoxybenzylamino)-2-phenylpiperidine (CP-99,994) was developed. As a prelude to PET studies, this compound was radiolabeled with 11C and biodistribution was determined in hamsters.

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