SUBSTITUTED ARYL BORONIC ACIDS, THEIR PREPARATION AND THEIR PRECURSORS

SUBSTITUTED ARYL BORONIC ACIDS, THEIR PREPARATION AND THEIR PRECURSORS

The invention relates to processes for preparing a compound of the formula ( V) and alkyl boronic esters thereof wherein R1 is attached at the 2 or 3 positi on of the benzene ring, R2 is attached at the 5 or 6 position and R1, R2 and G are as defined herein. Said compound is a key synthetic intermed...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NOWAKOWSKI, JOLANTA, CARON, STEPHANE
Format: Patent
Sprache:eng ; fre
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM
CHEMISTRY
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC CHEMISTRY
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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Beschreibung
Zusammenfassung:The invention relates to processes for preparing a compound of the formula ( V) and alkyl boronic esters thereof wherein R1 is attached at the 2 or 3 positi on of the benzene ring, R2 is attached at the 5 or 6 position and R1, R2 and G are as defined herein. Said compound is a key synthetic intermediate in the preparation of 2-amino-6-(substituted-4phenoxy)-substituted-pyridines useful as nitric oxide synthase (NOS) inhibitors in a mammal.