TY - JOUR
T1 - Polycyclic N‐hetero compounds. XXII Reaction of pyridine N‐oxides and Pyrazine di‐N‐oxides with formamide
AU - Hirota, Takashi
AU - Namba, Tetsuto
AU - Sasaki, Kenji
PY - 1987
Y1 - 1987
N2 - Reactions of pyridine N‐oxides, pyrazine di‐N‐oxides, and their benzologues with formamide are described. Carbamoylation mainly occurred at aromatic ring with loss of the N‐oxide oxygen atom, however, 2,4,6‐trimethylpyridine 1‐oxide gave 2‐ and 4‐pyrimidinyl derivatives.
AB - Reactions of pyridine N‐oxides, pyrazine di‐N‐oxides, and their benzologues with formamide are described. Carbamoylation mainly occurred at aromatic ring with loss of the N‐oxide oxygen atom, however, 2,4,6‐trimethylpyridine 1‐oxide gave 2‐ and 4‐pyrimidinyl derivatives.
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U2 - 10.1002/jhet.5570240412
DO - 10.1002/jhet.5570240412
M3 - Article
AN - SCOPUS:84986524589
SN - 0022-152X
VL - 24
SP - 949
EP - 953
JO - Journal of Heterocyclic Chemistry
JF - Journal of Heterocyclic Chemistry
IS - 4
ER -