PROCESS FOR THE PREPARATION OF 6-(4-NITRO-PHENOXY)-2H-PYRIDAZIN-3-ONE AND 6-(4-AMINO-PHENOXY)-2H-PYRIDAZIN-3-ONE DERIVATIVES AS INTERMEDIATES OF THYROID HORMONE ANALOGUES

The disclosure describes a method of preparing pyridazinone derivatives comprising contacting a compound of formula (I) or a salt thereof: (I) with a compound of formula (II) or a salt thereof: (II) to form a compound of formula (III) or a salt thereof: (III). A compound of formula (III) can then be...

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Hauptverfasser:	CONFALONE, PASQUALE N, VELLEKOOP, A. SAMUEL
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
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