Skip to main content

Table 1 1H-NMR chemical shift of methyl pheophorbide A (600 MHz, CDCl3)

From: Isolation, identification, and apoptosis activity of the photosensitizer methyl pheophorbide A from Perilla frutescens leaves

Position Compound (ppm)
21-H (CH3) 3.402 (s)
31-H 7.98 (dd, J = 11.6, 18)
32-H (H trans) 6.29 (dd, J = 1.2, 18)
32-H (H cis) 6.18 (dd, J = 1.2, 11.6)
5-H 9.386 (s)
71-H (CH3) 3.233 (s)
81-H (CH2) 3.659 (q, J = 7.6)
82-H (CH3) 1.698 (t, J = 7.6)
10-H 9.522 (s)
121-H (CH3) 3.687 (s)
132-H 6.251 (s)
135-H (CH3) 3.875 (s)
17-H 4.230 (dd, J = 2.4, 9.6)
171-H (CHH) 2.614 (m), 2.457 (m)
172-H (CHH) 2.412 (m), 2.213 (m)
175-H (CH3) 3.570(s)
18-H 4.452 (q, J = 7.2)
181-H (CH3) 1.809 (d, J = 6.8)
20-H 8.559 (s)
21, 23-NH − 1.65