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Neue Ringsysteme aus heterocyclischen 5‐substituierten Tetrazolderivaten
Author(s) -
Ried Walter,
Becker Susanne
Publication year - 1989
Publication title -
liebigs annalen der chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.825
H-Index - 155
eISSN - 1099-0690
pISSN - 0170-2041
DOI - 10.1002/jlac.198919890116
Subject(s) - chemistry , tetrazole , sodium nitrite , medicinal chemistry , bromide , organic chemistry
New Cyclic Systems from Heterocyclic 5‐Substituted Tetrazole Derivatives The easily accessible 5‐substituted tetrazole derivatives 1 and 2 react with sodium nitrite, ortho esters, some aldehydes, and bromoacetyl bromide to give the new tetrazolo‐triazines 3 or 4 , ‐pyrimidines 5 or 6 , ‐5,6‐dihydropyrimidines 7 and ‐diazepinones 8 .