Citation: Qian CHENG, Takayuki ORITANI, Tohru HORIGUCHI. Et₂AlCl-Mediated Reaction of α-4(20)-Epoxy-5α-hydroxy Taxinine B[J]. Chinese Chemical Letters, ;2000, 11(3): 199-202. shu

Et₂AlCl-Mediated Reaction of α-4(20)-Epoxy-5α-hydroxy Taxinine B

Laboratory of Applied Bioorganic Chemistry, Graduate School of Agricultural Science Tohoku University, 1-1 Tsutsumidori-Amamiyamachi, Aoba-ku, Sendai 981, Japan

Received Date: 13 September 1999

Fund Project: Financial support of this work by Gtant-in-Aid for scientific reserch from the Ministry of Education,Science and Culture of Japan.JSPS fellowship to Dr.Q.Cheng is gratefully acknowledged. Dr.Q.Cheng also thanks Prof.X.T.Liang of Institute of Materia Medica,Chinese Academy of Medical Sciences,for his care and useful help.

An α-4(20)-epoxy-5α-hydroxytaxinine B 1,when treated with diethylaluminum chloride,underwent reactions involving intramolecular substitution along with deacetylation or addition leading to new rings. Two novel 1-deoxy compounds 2 and 3 were isolated and fully characterized.
- Antitumour compounds,
- taxoides,
- epoxide,
- diethylaluminum chloride
1. [1]
  Kailong Zhang , Chao Zhang , Luanhui Wu , Qidong Yang , Jiadong Zhang , Guang Hu , Liang Song , Gaoran Li , Wenlong Cai . Chloride molten salt derived attapulgite with ground-breaking electrochemical performance. Chinese Chemical Letters, 2024, 35(10): 109618-. doi: 10.1016/j.cclet.2024.109618
2. [2]
  Mei Peng , Wei-Min He . Photochemical synthesis and group transfer reactions of azoxy compounds. Chinese Chemical Letters, 2024, 35(8): 109899-. doi: 10.1016/j.cclet.2024.109899
3. [3]
  Wei Sun , Anjing Liao , Li Lei , Xu Tang , Ya Wang , Jian Wu . Research progress on piperidine-containing compounds as agrochemicals. Chinese Chemical Letters, 2025, 36(1): 109855-. doi: 10.1016/j.cclet.2024.109855
4. [4]
  Xinlong Han , Huiying Zeng , Chao-Jun Li . Trifluoromethylative homo-coupling of carbonyl compounds. Chinese Chemical Letters, 2025, 36(1): 109817-. doi: 10.1016/j.cclet.2024.109817
5. [5]
  Wu-Jian Long , Yang Yu , Chuang He . A novel and promising engineering application of carbon dots: Enhancing the chloride binding performance of cement. Chinese Chemical Letters, 2024, 35(6): 108943-. doi: 10.1016/j.cclet.2023.108943
6. [6]
  Bo Yang , Pu-An Lin , Tingwei Zhou , Xiaojia Zheng , Bing Cai , Wen-Hua Zhang . Facile surface regulation for highly efficient and thermally stable perovskite solar cells via chlormequat chloride. Chinese Chemical Letters, 2024, 35(10): 109425-. doi: 10.1016/j.cclet.2023.109425
7. [7]
  Li Li , Zhi-Xin Yan , Chuan-Kun Ran , Yi Liu , Shuo Zhang , Tian-Yu Gao , Long-Fei Dai , Li-Li Liao , Jian-Heng Ye , Da-Gang Yu . Electro-reductive carboxylation of CCl bonds in unactivated alkyl chlorides and polyvinyl chloride with CO₂. Chinese Chemical Letters, 2024, 35(12): 110104-. doi: 10.1016/j.cclet.2024.110104
8. [8]
  Chen Lu , Zefeng Yu , Jing Cao . Advancement in porphyrin/phthalocyanine compounds-based perovskite solar cells. Chinese Journal of Structural Chemistry, 2024, 43(3): 100240-100240. doi: 10.1016/j.cjsc.2024.100240
9. [9]
  Zhenyang Lin . A classification scheme for inorganic cluster compounds based on their electronic structures and bonding characteristics. Chinese Journal of Structural Chemistry, 2024, 43(5): 100254-100254. doi: 10.1016/j.cjsc.2024.100254
10. [10]
  Yin-Hang Chai , Li-Long Dang . New structural breakthrough and topological transformation of homogeneous metalla[4]catenane compounds. Chinese Journal of Structural Chemistry, 2024, 43(10): 100322-100322. doi: 10.1016/j.cjsc.2024.100322
11. [11]
  Dong-Sheng Deng , Su-Qin Tang , Yong-Tu Yuan , Ding-Xiong Xie , Zhi-Yuan Zhu , Yue-Mei Huang , Yun-Lin Liu . C-F insertion reaction sheds new light on the construction of fluorinated compounds. Chinese Chemical Letters, 2024, 35(8): 109417-. doi: 10.1016/j.cclet.2023.109417
12. [12]
  Yaping Zhang , Wei Zhou , Mingchun Gao , Tianqi Liu , Bingxin Liu , Chang-Hua Ding , Bin Xu . Oxidative cyclization of allyl compounds and isocyanide: A facile entry to polysubstituted 2-cyanopyrroles. Chinese Chemical Letters, 2024, 35(4): 108836-. doi: 10.1016/j.cclet.2023.108836
13. [13]
  Zeyu Jiang , Yadi Wang , Changwei Chen , Chi He . Progress and challenge of functional single-atom catalysts for the catalytic oxidation of volatile organic compounds. Chinese Chemical Letters, 2024, 35(9): 109400-. doi: 10.1016/j.cclet.2023.109400
14. [14]
  Lu Huang , Jiang Wang , Hong Jiang , Lanfang Chen , Huanwen Chen . On-line determination of selenium compounds in tea infusion by extractive electrospray ionization mass spectrometry combined with a heating reaction device. Chinese Chemical Letters, 2025, 36(1): 109896-. doi: 10.1016/j.cclet.2024.109896
15. [15]
  Hualei Xu , Manman Han , Haiqiang Liu , Liang Qin , Lulu Chen , Hao Hu , Ran Wu , Chenyu Yang , Hua Guo , Jinrong Li , Jinxiang Fu , Qichen Hao , Yijun Zhou , Jinchao Feng , Xiaodong Wang . 4-Nitrocatechol as a novel matrix for low-molecular-weight compounds in situ detection and imaging in biological tissues by MALDI-MSI. Chinese Chemical Letters, 2024, 35(6): 109095-. doi: 10.1016/j.cclet.2023.109095
16. [16]
  Xinghong Cai , Qiang Yang , Yao Tong , Lanyin Liu , Wutang Zhang , Sam Zhang , Min Wang . AlO₂: A novel two-dimensional material with a high negative Poisson's ratio for the adsorption of volatile organic compounds. Chinese Chemical Letters, 2025, 36(2): 109586-. doi: 10.1016/j.cclet.2024.109586
17. [17]
  Ze-Yuan Ma , Mei Xiao , Cheng-Kun Li , Adedamola Shoberu , Jian-Ping Zou . S-(1,3-Dioxoisoindolin-2-yl)O,O-diethyl phosphorothioate (SDDP): A practical electrophilic reagent for the phosphorothiolation of electron-rich compounds. Chinese Chemical Letters, 2024, 35(5): 109076-. doi: 10.1016/j.cclet.2023.109076