Fungal 7-epi-10-deacetyltaxol produced by an endophytic Pestalotiopsis microspora induces apoptosis in human hepatocellular carcinoma cell line (HepG2)

Table 2 Comparison of ¹³C NMR data of fungal EDT with previously reported plant-derived 7-epi-10-deacetyltaxol, 10-deacetyltaxol and 7-epi-taxol chemical shifts (δ) and coupling constants (J, Hz)

Carbon No.	Fungal 7-epi-10- deacetyltaxol	7-epi-10-deacetyltaxol (Jun et al. 2001)	10-deacetyltaxol (Mclaughlin et al. 1981)	7-epi-taxol (Chmurny et al. 1992)
Carbon No.	δ_C	δ_C	δ_C	δ_C
1	78.683		78.90
3	39.956	40.303
5	68.097		68.04 (d)
10	77.687	77.889
12	132.346		132.06 (s)
13	73.459	73.256
15	44.713		43.54
17	26.679	26.017
18	14.098	14.419
19	9.208		9.49 (q)
20	77.434			77.6
21	167.779	167.108
23	22.952	22.572
2’	73.459	73.256
3a	128.784	128.706
4b	131.021	131.98
q-Ph2	138.540			138.1
C33	168.890			167.2
C4-O-C OCH3	174.573			172.4

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