A phenolic ester from Aglaia loheri leaves reveals cytotoxicity towards sensitive and multidrug-resistant cancer cells

Table 4 ¹ H NMR spectral data of Maldi 531.2[M + H] ⁺

PPM	Multiplicity	J coupling	TYPE
1.87	m		NHCO phenyl
2.70	s		-OCO-alkyl or phenyl
3.19	m		N-propyl CH2OH
3.42	m		Methyl CH3OH
3.61	m		CH2-OH
3.62	s	-	-OCH3
3.66	s	-	-OCH3
3.72	m	-	-OCO-CH3
3.82	d	6.72	-OCO- phenyl or methyl
3.97	dd	7.92; 6.24	Isopropyl CH-OH
4.23	d	14.22	-OCO-phenyl or n-propyl
4.58	bs	-	Phenolic –OH?
5.49			-OCO-phenyl
6.17	d	1.92	Aromatic H
6.28	d	1.80	Aromatic H
6.61	dd	8.24; 3.00	Aromatic H
6.89	d	6.90	Aromatic H
6.99	m		Aromatic H
7.03	m		Aromatic H
7.11	dd	8.94; 3.00	Aromatic H
7.90	s	-	Aromatic H

s: singlet; bs: broad singlet; d: doublet; dd: doublet of doublet; m: multiplet.

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