Table 2.

The lupane triterpenes isolated from Maytenus.

No.	Name	R1	R2	R3	R4	R5	R6	R7	R8	R9	Type	Ref
71	3β,28,30-Lup-20(29)-ene triol	H	H	OH	CH3	H	H	H	CH2OH	CH2OH	B1	[43]
72	28,30-Dihyroxylup-20(29)-ene-3-one	H	H	=O	CH3	H	H	H	CH2OH	CH2OH	B1	[43]
73	Maytefolins A	H	α-OH	=O	CH3	H	H	H	CH2OH	CH3	B1	[44]
74	3-oxolup-20(29)-en-30-al	H	H	=O	CH3	H	H	H	CH3	CHO	B1	[45]
75	30-hydroxylup-20(29)-en-3-one	H	H	=O	CH3	H	H	H	CH3	CH2OH	B1	[45]
76	(11α)-11-hydroxylup-20(29)-en-3-one	H	H	=O	CH3	H	α-OH	H	CH3	CH3	B1	[45]
77	(3β)-lup-20(30)-ene-3,29-diol	H	H	β-OH	CH3	H	H	H	CH3	CH2OH	B1	[45]
78	11α-hydroxy-epi-betuin	H	H	α-OH	CH3	H	α-OH	H	CH2OH	CH3	B1	[46]
79	6β-hydroxybetulin	H	H	β-OH	CH3	β-OH	H	H	CH2OH	CH3	B1	[46]
80	24-hydroxybetulin	H	H	=O	CH2OH	H	H	H	CH2OH	CH3	B1	[46]
81	Rigidenol-28-aldehyde	H	H	=O	CH3	H	α-OH	H	CHO	CH3	B1	[46]
82	28-hydroxyglochidone	H	CH2OH	-	-	-	-	-	-	-	B2	[46]
83	11α-hydroxy-glochidone	α-OH	CH3	-	-	-	-	-	-	-	B2	[47]
84	3-epi-nepeticin	H	H	α-OH	CH3	H	α-OH	H	CH3	CH3	B1	[47]
85	3-epi-calenduladiol	H	H	α-OH	CH3	H	H	H	OH	CH3	B1	[47]
86	3α,16β,28-Trihydroxylup-20(29)-ene	H	H	α-OH	CH3	H	H	β-OH	CH2OH	CH3	B1	[48]
87	3α,16β-dihydroxylup-12-ene	α-OH	β-OH	-	-	-	-	-	-	-	B3	[48]
88	3β,16β-dihydroxylup-12-ene	β-OH	β-OH	-	-	-	-	-	-	-	B3	[48]
89	16β-3,4-secolup-20(29)-en-3-oic acid	-	-	-	-	-	-	-	-	-	B4	[48]
90	3-(E)-β-coumaroylnepeticin	H	H		CH3	H	α-OH	H	CH3	CH3	B1	[25]
91	3,4-seco-lupa-4(23):20(29)-diene-3,28-dioicacid 28-methyl ester	-	-	-	-	-	-	-	-	-	B5	[26]
92	1β-Hydroxy-3β-caffeate lup-20(29)-ene	β-OH	H	OCaf	CH3	H	H	H	CH3	CH3	B1	[49]
93	3-oxo-21β-H-hop-22(29)-ene	=O	-	-	-	-	-	-	-	-	B6	[28]
94	3β-hydroxy-21β-H-hop-22(29)-ene	β-OH	-	-	-	-	-	-	-	-	B6	[28]
95	3,4-seco-21β-H-hop-22(29)-en-3-oic acid	-	-	-	-	-	-	-	-	-	B7	[28]