1975
DOI: 10.1021/jm00239a023
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Preparation of fluorine-18-labeled haloperidol

Abstract: A procedure is described that permits the preparation of [18F]haloperidol in 140 min at specific activities ranging from 4-5 muCi mg-1. A key step in the synthetic route involves the incorporation of 18F into the molecule through a Schiemann-type reaction, which involves the pyrolysis of the diazonium tetrafluoroborate salt of 4-[4-(p-chlorophenyl)-4-hydroxypiperidino]-4'-aminobutyrophenone.

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Cited by 37 publications
(4 citation statements)
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“…16 As shown in Figure 1, 4-chlorobutanal 58 and 1-bromo-4-fluorobenzene 59 were successfully combined using our aldehyde coupling protocol to forge ketone 60 in good yield (77%). Exposure of this γ-chloroarylketone to the piperidine nucleophile 61 subsequently delivered haloperidol in relatively short order.…”
mentioning
confidence: 95%
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“…16 As shown in Figure 1, 4-chlorobutanal 58 and 1-bromo-4-fluorobenzene 59 were successfully combined using our aldehyde coupling protocol to forge ketone 60 in good yield (77%). Exposure of this γ-chloroarylketone to the piperidine nucleophile 61 subsequently delivered haloperidol in relatively short order.…”
mentioning
confidence: 95%
“…To highlight the synthetic utility of this triple catalytic mechanism and its potential application to drug-like molecules, we have accomplished a two-step synthesis of haloperidol, a well-established antipsychotic medication . As shown in Figure , 4-chlorobutanal 58 and 1-bromo-4-fluorobenzene 59 were successfully combined using our aldehyde coupling protocol to forge ketone 60 in good yield (77%).…”
mentioning
confidence: 99%
“…Aspecto: aceite amarillo. [217] El crudo de reacción fue purificado mediante cromatografía en columna utilizando (AcOEt:MeOH:NH 4 OH / 95:5:1) como eluyente. R f (AcOEt:MeOH:NH 4 OH / 95:5:1) = 0.6.…”
Section: -(4-clorobutinil)-4-fluorobencenounclassified
“…En este punto, la hidratación regioselectiva de la posición bencílica (posición interna del triple enlace) del compuesto 94 se consigue utilizando como catalizador la triflimida de hierro(III) bajo las condiciones óptimas obtenidas en los apartados anteriores, obteniéndose un rendimiento del 86% (escala de medio gramo) para el compuesto 95 con estructura de butirocetona. Finalmente, la reacción de sustitución nucleofílica [217] de la butirocetona 95 con la correspondiente amina (96 y 97) en tolueno y KI en cantidades catalíticas, dio como resultado la obtención de Haloperidol 98 o Melperona 99 con buenos rendimientos (60 y 87% respectivamente).…”
Section: Síntesis De Derivados Farmacéuticos Con Propiedades Antipsic...unclassified