NOP - Sustainability in the organic chemistry lab course

Pyridine N-oxide

HNO₃/H₂SO₄

reacts to

4-Nitropyridine N-oxide

; Side reactions

¹H-NMR

1H NMR

¹H-NMR: crude product
400 MHz, DMSO-d₆
delta [ppm]	mult.	atoms	assignment
8.18-8.23	m (AA')	2 H	2-H, 6-H
8.40-8.44	m (BB')	2 H	3-H, 5-H
2.1	s	6 H	Me₂C=O
3.3 u 2.5	s		H₂O, DMSO

1H NMR

¹H-NMR: 4-Nitropyridine N-oxide
400 MHz, DMSO-d₆
delta [ppm]	mult.	atoms	assignment
8.18-8.23	m (AA')	2 H	2-H, 6-H
8.40-8.44	m (BB')	2 H	3-H, 5-H
2.1	s	6 H	Me₂C=O
3.3 u 2.5	s		H₂O, DMSO