Depigmenting Effect of Kojic Acid Esters in Hyperpigmented B16F1 Melanoma Cells

Table 2

¹H-NMR and ¹³C-NMR data for KAMP and KAML.

	KAMP		KAML
Carbon no.	𝛿  ^1H	𝛿  ^13C	𝛿  ^1H	𝛿  ^13C
C-2	—	172.69	—	172.69
C-3	6.49 (s)	110.99	6.49 (s)	110.94
C-4	—	173.85	—	173.82
C-5	—	137.75	—	137.67
C-6	7.85 (s)	145.80	7.85 (s)	145.77
C-7	4.93 (s)	61.13	4.93 (s)	61.13
C-1^′ester group	—	163.11	—	163.13
C-2^′	2.40 (t)	33.88	2.40 (t)	33.88
C-3^′	1.66 (m)	24.77	1.64 (m)	24.77
C-4^′	1.29	29.18	1.28	29.18
C-5^′	1.29	29.34	1.28	29.23
C-6^′	1.29	29.41	1.28	29.30
C-7^′	1.29	29.56	1.28	29.41
C-8^′	1.29	29.64	1.28	29.56
C-9^′	1.29	29.65	1.28	29.06
C-10^′	1.29	29.67	1.28	31.89
C-11^′	1.29	29.67	1.30	22.66
C-12^′	1.29	29.64	0.88 (t)	14.09
C-13^′	1.29	29.06
C-14^′	1.29	31.91
C-15^′	1.30	22.67
C-16^′	0.88 (t)	14.09