Table 1.

Experimental Data of Celangulin-V and its derivatives.

Compounds	Molecular Formula	M.P °C	ESI-MS (M + Na)	Optical Rotation [α]°, (MeOH, c = mg.100 mL−1)
Celangulin-V	C34H46O13	198–200	685	−12.2, (10.8)
1.1	C36H48O14	214–216	727	−10.6, (16.0)
1.2	C37H50O14	94–96	741	−10.1, (15.0)
1.3	C38H52O14	114–116	755	−10.3, (18.5)
1.4	C39H54O14	102–104	769	−33.0, (18.0)
1.5	C40H56O14	64–66	783	−15.2, (15.0)
1.6	C41H58O14	colorless oils	797	−26.4, (19.0)
1.7	C38H52O14	98–100	755	−39.6, (17.0)
1.8	C40H56O14	112–114	783	−95.8, (11.5)
1.9	C43H54O14	124–126	817	−29.7, (12.5)
1.10	C41H06O14	96–98	789	−51.7, (13.5)