14-Deoxy-11,12-didehydro-3,19-isopropylideneandrographolide
✍ Scribed by Teh, Jeannie Bee-Jan ;Sagineedu, Sreenivasa Rao ;Fun, Hoong-Kun ;Razak, Ibrahim Abdul ;Lajis, Nordin Hj ;Stanslas, Johnson
- Publisher
- International Union of Crystallography
- Year
- 2006
- Tongue
- English
- Weight
- 401 KB
- Volume
- 62
- Category
- Article
- ISSN
- 1600-5368
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
The steroid ring B of the title compound, C 22 H 32 O, is in a halfchair conformation. The five-membered ring is in an intermediate form between the envelope and half-chair conformations.
14-deoxyandrographolide (DA) and 14-deoxy-11,12-didehydroandrographolide (DDA) are two diterpenoids isolated from A. paniculata, a popular folk medicine used as an antihypertensive drug in Malaysia. We have previously reported that DDA exhibited a greater hypotensive effect in anaesthetized rats and