9α,13α-diacetoxy-10β-benzoyloxy-5α-[(R)-30-dimethylamino-30-phenylpropanoyloxy]-11(15→1)abeotaxa-4(20),11-dien-15-ol

9α,13α-diacetoxy-10β-benzoyloxy-5α-[(R)-30-dimethylamino-30-phenylpropanoyloxy]-11(15→1)abeotaxa-4(20),11-dien-15-ol

Common Name: 9α,13α-diacetoxy-10β-benzoyloxy-5α-[(R)-30-dimethylamino-30-phenylpropanoyloxy]-11(15→1)abeotaxa-4(20),11-dien-15-ol

Synonyms:

CAS Registry Number:

InChI: 1S/C43H55NO8/c1-26-32-24-43(41(5,6)7)25-35(49-28(3)45)27(2)37(43)38(52-40(48)31-19-15-12-16-20-31)39(50-29(4)46)42(32,8)22-21-34(26)51-36(47)23-33(44(9)10)30-17-13-11-14-18-30/h11-20,32-35,38-39H,1,21-25H2,2-10H3/t32-,33?,34+,35+,38-,39+,42-,43+/m0/s1

InChIKey: XYCMPEJJLWMCDQ-YPJRFIFJSA-N

Formula: C42H53N1O9

Molecular Weight: 715.8694

Exact Mass: 715.3721

NMR Solvent: CDCl13

MHz: 500 and 300 (1H); 125 (13C)

Calibration: TMS

NMR references: Shi, Q. W.

Oritani, T.

Sugiyama, T.

Horiguchi, T.

Murakami, R.

Zhao, D.

Oritani, T. Three new taxane diterpenoids from the seeds of Taxus yunnanensis Cheng et L. K. Fu and T. cuspidata Sieb et Zucc. Tetrahedron 1999, 55, 8365.

Species: T. yunnanensis seeds- collected in Congteng County of the Yunnan province in October 1995. The botanical identification was made by Prof. J. H. Wang, Department of Medicinal Plants, School of Pharmaceutical Science, Hebei Medical University, P.R. China. A voucher specimen has been deposited in the laboratory of Graduate School of Agricultural Science, Tohoku University. 1995

Notes:

Proton NMR Peaks

Position PPM Peak Type J (Hz)
2.18 m
1.4 m
3 2.73 d 5.7
5 5.25 brs
6 1.4 m
7 1.58 m
9 5.96 d
10 6.41 d
13 5.5 brt
14α 1.23 m
14β 2.51 dd
16 1.36 s
17 1.15 s
18 1.99 brs
19 0.74 s
20a 5.12 brs
20b 4.74 brs
9-AcO 1.78 s
13-AcO 1.94 s
2'a 2.91 dd 7.9, 13.5
2'b 2.65 dd 5.5, 13.5
3' 3.8 brt 7.9
5' 7.3 m
6' 7.3 m
7' 7.3 m
N(CH3)2 2.18 s
3" 7.88 brd 8.1
4" 7.44 m
5" 7.58 t 7.5

Carbon NMR Peaks

Position PPM
1 63.1
2 29.2
3 40.6
4 147
5 74.9
6 29.3
7 27.2
8 41.7
9 77.5
10 70
11 137.5
12 146.1
13 79.4
14 44.4
15 75.9
16 24.99
17 27.6
18 11.9
19 16.8
20 112.1