C22H30O2, M 326
Taxonomy: Cycloartane Triterpenoids
Buxus papillosa C.K. Schneider (Buxaceae) [1].
[α] 20D −11°.
CAS Registry Number: 123853-66-7.
IR \({\rm \nu}_{\rm max}^{\rm KBr} \), cm−1: 1730, 1660, 1610.
MS m/z: M+ 326.2238, 311, 137 (base peak), 58.
Table 1
δC (CDCI3) |
δh(J/Hz) |
δC (CDCI3) |
δh(J/Hz) |
||
|---|---|---|---|---|---|
C-1 |
152.58 |
6.73 |
C-12 |
26.61 |
|
2 |
127.28 |
5.94 |
13 |
52.72 |
– |
3 |
204.69 |
– |
14 |
30.13 |
– |
4 |
45.79 |
– |
15 |
30.82 |
1.65, 1.78 |
5 |
43.69 |
2.10 |
16 |
33.74 |
2.17, 2.44 |
6 |
18.72 |
17 |
220.12 |
– |
|
7 |
24.57 |
18 |
21.44 |
1.08 |
|
8 |
40.54 |
2.17 |
19 |
27.03 |
0.68 d (4.9), 1.37 d (4.9) |
9 |
25.26 |
– |
28 |
19.21 |
0.83 |
10 |
44.08 |
– |
29 |
19.21 |
0.95 |
11 |
21.29 |
30 |
18.38 |
1.12 |
|
This is a preview of subscription content, log in via an institution to check access.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
References
Atta-ur-Rahman, H. Nasir, Z. Jqbal, M.I. Choudhary, M. Alam. Phytochemistry 28(10), 2848–2850 (1989)
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2013 Springer Science+Business Media New York
About this entry
Cite this entry
(2013). (−) – Buxatenone. In: Azimova, S.S. (eds) Natural Compounds. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-0537-5_1
Download citation
DOI: https://doi.org/10.1007/978-1-4614-0537-5_1
Publisher Name: Springer, New York, NY
Print ISBN: 978-1-4614-0536-8
Online ISBN: 978-1-4614-0537-5
eBook Packages: Chemistry and Materials ScienceReference Module Physical and Materials ScienceReference Module Chemistry, Materials and Physics