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Nuclear magnetic resonance of adducts of heterocyclic systems with nucleophiles. 27. 1,2,4,5-Tetrazine and its derivatives. 4. Carbon-13 nuclear magnetic resonance investigations of the anionic homoaromatic .sigma. adducts formed between liquid ammonia and 1,2,4,5-tetrazines

✍ Scribed by Counotte-Potman, Anda; Van der Plas, Henk C.; Van Veldhuizen, Beb

Book ID: 115454691
Publisher: American Chemical Society
Year: 1981
Tongue: English
Weight: 724 KB
Volume: 46
Category: Article
ISSN: 0022-3263
DOI: 10.1021/jo00332a008

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## Abstract Carbon‐13 NMR spectra of the σ‐adduct complexes formed in liquid ammonia between the amide ion and some 2‐R‐pyrimidines, some 4‐chloro‐2‐R‐pyrimidines (R = dimethylamino‐, __N__‐methylanilino, piperidino‐, morpholino‐, phenyl‐), 5‐bromo‐2‐piperidinopyrimidine and pyrimidine itself are d