Taxuyunnanine U

Taxuyunnanine U

Common Name: Taxuyunnanine U

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C31H42O12/c1-15-19(34)13-30(28(4,5)39)22(15)23(43-27(38)18-10-8-7-9-11-18)25(36)29(6)20(35)12-21(42-17(3)33)31(40,14-41-16(2)32)24(29)26(30)37/h7-11,19-21,23-26,34-37,39-40H,12-14H2,1-6H3/t19-,20-,21?,23?,24-,25-,26-,29+,30-,31-/m0/s1

InChIKey: XLDSSIRBXFIWJV-FYWURLBYSA-N

Formula: C31H42O12

Molecular Weight: 606.665

Exact Mass: 606.2676

NMR Solvent: CD3OD

MHz: 400MHz

Calibration:

NMR references: Li, Sheng-Hong, Hong-Jie Zhang, Xue-Mei Niu, Ping Yao, Han-Dong Sun, and Harry HS Fong. "Taxuyunnanines SV, new taxoids from Taxus yunnanensis." Planta medica 68, no. 03 (2002): 253-257.

Species: bark of Taxus yunnanensis

Notes: calibration unknown

Proton NMR Peaks

Position PPM Peak Type J (Hz)
2 4.62 d 7.3
3 2.67 d 7.3
5 5.15 br. s
6 1.92 m
7 4.22 t 8
9 4.46 d 11.1
10 6.33 d 10.4
13 5.22 t 7.4
14a 2.15 dd 7.1, 11.7
14b 1.95 m
16 1.38 s
17 1.23 s
18 1.88 s
19 1.28 s
20a 4.76 d 12.1
20b 5.49 d 12.6
OAc 2.15 s
OAc 2.1 s
OBz 8.02 d 7.4
OBz 7.58 t 7.2
OBz 7.46 t 7.5

Carbon NMR Peaks

Position PPM
1 69.7
2 70.1
3 45.3
4 77
5 72.3
6 33
7 70.6
8 44.4
9 79
10 72.7
11 137.5
12 150.3
13 77.3
14 39.3
15 77.6
16 27.4
17 27.8
18 11.9
19 15.1
20 66.3