Neue kondensierte N‐haltige Heterocyclen aus 3,6‐Dichlor‐4‐pyridazincarbonsäurechlorid | Zendy

Ried Walter | Zendy; Eichhorn Thomas A. | Zendy

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Neue kondensierte N‐haltige Heterocyclen aus 3,6‐Dichlor‐4‐pyridazincarbonsäurechlorid

Author(s) -

Ried Walter,

Eichhorn Thomas A.

Publication year - 1988

Publication title -

chemische berichte

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.667

H-Index - 136

eISSN - 1099-0682

pISSN - 0009-2940

DOI - 10.1002/cber.19881211124

Subject(s) - chemistry , anthranilic acid , yield (engineering) , medicinal chemistry , chloride , organic chemistry , metallurgy , materials science

Novel Fused N‐Heterocycles Derived from 3,6‐Dichloro‐4‐pyridazinecarbonyl Chloride 3,6‐Dichloro‐4‐pyridazinecarbonyl chloride ( 4 ) reacts with primary amines to yield the N‐containing fused heterocyclic compounds 2, 8 , and 9a, b. 4 forms the pyridazino‐oxadiazepines 7a – d with the in situ generated hydroxyguanidines 6a – d . The diazocinedione 1 is obtained by reaction of 3,6‐dichloro‐4‐pyridazinecarboxamide ( 3 ) with anthranilic acid methyl ester.

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