Euonymus alatus: A Review on Its Phytochemistry and Antidiabetic Activity

Table 6

Lupane type and friedelane type triterpenes in E. alatus.

Lupane type	Number	Name	R1	R2	R3	R4	R5	References
	36	Lupeol	OH	H	H	CH3	CH2	[21, 48]
	37	Lupenone	=O	H	H	CH3	CH2	[24]
	38	Betulin	OH	H	H	CH2OH	CH2	[24]
	39	Betulone	=O	H	H	CH2OH	CH2	[26]
	40	Betulinic acid	OH	H	H	COOH	CH2	[23]
	41	Messagenin	OH	H	H	CH2OH	O	[26]
	42	(−)-Nepetidone	OH	OH	OH	CH3	O	[48]
Friedelane type	Number	Name	R1			R2		Reference
	43	Epifriedelanol	OH			CH3		[18, 24, 39, 52]
	44	Friedelin	=O			CH3		[20, 24]