NOP - Sustainability in the organic chemistry lab course

3-Nitrobenzaldehyde

+

1,2-Ethanediol

4-toluenesulfonic
acid

reacts to

2-(3-Nitrophenyl)-1,3-dioxolane

+

Water

; Side reactions

¹H-NMR

1H NMR

¹H-NMR: crude product
250 MHz, CDCl₃
delta [ppm]	mult.	atoms	assignment
4.05-4.18	m	4 H	-OCH₂CH₂O-
5.90	s	1 H	O-CH-O
7.54-7.60	m	1 H	5-H
7.79-7.83	m	1 H	6-H
8.20-8.25	m	1 H	4-H
8.35-8.37	m	1 H	2-H
7.26			CHCl₃
10.15	s	1 H	CHO (educt)

1H NMR

¹H-NMR: 2-(3-Nitrophenyl)-1,3-dioxolane
250 MHz, CDCl₃
interactive spectrum
delta [ppm]	mult.	atoms	assignment
4.05-4.18	m	4 H	-OCH₂CH₂O-
5.90	s	1 H	O-CH-O
7.54-7.60	m	1 H	5-H
7.79-7.83	m	1 H	6-H
8.20-8.25	m	1 H	4-H
8.35-8.37	m	1 H	2-H
7.26			CHCl₃
10.15	s	1 H	CHO (educt)