Production of thiocyanato benzimidazoles

A new process is disclosed for the preparation of a compound of the formula (VIII) (VIII) wherein R1 is hydrogen, halogen, C1-4 alkyl, C1-3 alkoxy, or trifluoromethyl; R5 is amino or C1-4 alkoxycarbonylamino; or a salt thereof, which comprises reacting a compound of the formula (II) (II) with gaseou...

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Main Authors HEJA; GERGELY, KISS; PAL, GOENCZI; CSABA, PALOSI; ENDRE, NAGY NEE KORANYI; LIVIA, SZVOBODA NEE KANZEL; IDA, KUN; JUDIT, MARVANYOS; EDE, SZOMOR N LE; MARIA, HORVATH; KAROLY, KORBONITS; DEZSO, KOVACS NEE MINDLER; VERA
Format Patent
LanguageEnglish
Published 25.09.1984
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:A new process is disclosed for the preparation of a compound of the formula (VIII) (VIII) wherein R1 is hydrogen, halogen, C1-4 alkyl, C1-3 alkoxy, or trifluoromethyl; R5 is amino or C1-4 alkoxycarbonylamino; or a salt thereof, which comprises reacting a compound of the formula (II) (II) with gaseous chlorine and a rhodanide of the formula (III) R-SCN (III) wherein R represents a metal ion or ammonium.
Bibliography:Application Number: US19830458266