NOP - Sustainability in the organic chemistry lab course

Ricinolic acid

KMnO₄ / KOH

reacts to

Nonanedioic acid

; Side reactions

¹H-NMR

1H NMR

¹H-NMR: crude product
250 MHz, DMSO-d₆
delta [ppm]	mult.	atoms	assignment
1.25	m	6 H	4-H, 5-H, 6-H
1.47	m	4 H	3-H, 7-H
2.18	t (³J = 7.3 Hz)	4 H	2-H, 8-H
ca. 12	broad s	2 H	COOH
2.49			DMSO

1H NMR

¹H-NMR: Nonanedioic acid
250 MHz, DMSO-d₆
delta [ppm]	mult.	atoms	assignment
1.25	m	6 H	4-H, 5-H, 6-H
1.47	m	4 H	3-H, 7-H
2.18	t (³J = 7.3 Hz)	4 H	2-H, 8-H
ca. 12	broad s	2 H	COOH
2.49			DMSO