Induction of Apoptosis of 2,4′,6-Trihydroxybenzophenone in HT-29 Colon Carcinoma Cell Line

Table 1

¹H NMR (CDCl₃/CD₃OD, 400 MHz), ¹³C NMR (CDCl₃/CD₃OD, 100 MHz), HMQC, and HMBC data of isolated 2,4′,6-trihydroxy-4-methoxybenzophenone or 2,6-dihydroxy-4-methoxyphenyl 4-hydroxyphenyl methanone.

Position/group	𝛿C	𝛿H (mult, J in Hz)	^1H-^13C HMBC	HMQC
1	109.05	—	—	—
2/6	162.16	—	—	—
3/5	95.35	5.95 (s)	C-1, C-2/C-6, C-4	C-3/C-5
4	166.58	—	—	—
1′	133.77	—	—	—
2′/6′	134.05	7.59 (d, 8.8)	C-1′, C-3′/C-5′, C-4′, C=O	C-2′/C-6′
3′/5′	116.58	6.75 (d, 8.8)	C-1′, C-2′/C-6′, C-4′	C-3′/C-5′
4′	164.07	—	—	—
C=O	199.59	—	—	—
OCH3	55.86	3.74 (s)	C-4	COCH3