Citation: Shan Qian, Li Hai, Lei Tang, Jin Cheng Yang, Yong Wu. Synthesis of an optically active intermediate for A-ring of 19-nor-1α,25-dihydroxyvitamin D₃[J]. Chinese Chemical Letters, ;2007, 18(3): 261-262. doi: 10.1016/j.cclet.2007.01.025 shu

Synthesis of an optically active intermediate for A-ring of 19-nor-1α,25-dihydroxyvitamin D₃

Key Laboratory of Drug Targeting and Novel Drug Delivery Systems, West China School of Pharmacy, Sichuan University, Chengdu 610041, China

Received Date: 10 October 2006

Fund Project: Financial support from the National Natural Science Foundation of China (No. 29972013) is gratefully acknowledged.

An optically active intermediate 5 for A-ring of 19-nor-1α,25-dihydroxyvitamin D₃ 2 has been synthesized in five steps, starting from readily available, inexpensive D(+)-xylose 6 with good yield.
- A-ring of 19-nor-1α,25-dihydroxyvitamin D₃,
- Intermediate,
- Synthesis
1. [1]
  Huiju Cao , Lei Shi . sp¹-Hybridized linear and cyclic carbon chain. Chinese Chemical Letters, 2025, 36(4): 110466-. doi: 10.1016/j.cclet.2024.110466
2. [2]
  Yulong Shi , Fenbei Chen , Mengyuan Wu , Xin Zhang , Runze Meng , Kun Wang , Yan Wang , Yuheng Mei , Qionglu Duan , Yinghong Li , Rongmei Gao , Yuhuan Li , Hongbin Deng , Jiandong Jiang , Yanxiang Wang , Danqing Song . Chemical construction and anti-HCoV-OC43 evaluation of novel 10,12-disubstituted aloperine derivatives as dual cofactor inhibitors of TMPRSS2 and SR-B1. Chinese Chemical Letters, 2024, 35(5): 108792-. doi: 10.1016/j.cclet.2023.108792
3. [3]
  Yuexiang Liu , Xiangqiao Yang , Tong Lin , Guantian Yang , Xiaoyong Xu , Bubing Zeng , Zhong Li , Weiping Zhu , Xuhong Qian . Efficient continuous synthesis of 2-[3-(trifluoromethyl)phenyl]malonic acid, a key intermediate of Triflumezopyrim, coupling with esterification-condensation-hydrolysis. Chinese Chemical Letters, 2025, 36(1): 109747-. doi: 10.1016/j.cclet.2024.109747
4. [4]
  Jiaming Xu , Yu Xiang , Weisheng Lin , Zhiwei Miao . Research Progress in the Synthesis of Cyclic Organic Compounds Using Bimetallic Relay Catalytic Strategies. University Chemistry, 2024, 39(3): 239-257. doi: 10.3866/PKU.DXHX202309093
5. [5]
  Liyong Ding , Zhenhua Pan , Qian Wang . 2D photocatalysts for hydrogen peroxide synthesis. Chinese Chemical Letters, 2024, 35(12): 110125-. doi: 10.1016/j.cclet.2024.110125
6. [6]
  Xiao Li , Wanqiang Yu , Yujie Wang , Ruiying Liu , Qingquan Yu , Riming Hu , Xuchuan Jiang , Qingsheng Gao , Hong Liu , Jiayuan Yu , Weijia Zhou . Metal-encapsulated nitrogen-doped carbon nanotube arrays electrode for enhancing sulfion oxidation reaction and hydrogen evolution reaction by regulating of intermediate adsorption. Chinese Chemical Letters, 2024, 35(8): 109166-. doi: 10.1016/j.cclet.2023.109166
7. [7]
  Xiao-Gang Wang , Ai-E Wang , Pei-Qiang Huang . Corrigendum to "A concise formal stereoselective total synthesis of (–)-swainsonine" [Chin Chem Lett 25 (2014) 193–196]. Chinese Chemical Letters, 2025, 36(3): 110597-. doi: 10.1016/j.cclet.2024.110597
8. [8]
  Bairu Meng , Zongji Zhuo , Han Yu , Sining Tao , Zixuan Chen , Erik De Clercq , Christophe Pannecouque , Dongwei Kang , Peng Zhan , Xinyong Liu . Design, synthesis, and biological evaluation of benzo[4,5]thieno[2,3-d]pyrimidine derivatives as novel HIV-1 NNRTIs. Chinese Chemical Letters, 2024, 35(6): 108827-. doi: 10.1016/j.cclet.2023.108827
9. [9]
  Rong-Nan Yi , Wei-Min He . Photocatalytic Minisci-type multicomponent reaction for the synthesis of 1-(halo)alkyl-3-heteroaryl bicyclo[1.1.1]pentanes. Chinese Chemical Letters, 2024, 35(10): 110115-. doi: 10.1016/j.cclet.2024.110115
10. [10]
  Wujun Jian , Mong-Feng Chiou , Yajun Li , Hongli Bao , Song Yang . Cu-catalyzed regioselective diborylation of 1,3-enynes for the efficient synthesis of 1,4-diborylated allenes. Chinese Chemical Letters, 2024, 35(5): 108980-. doi: 10.1016/j.cclet.2023.108980
11. [11]
  Jinwei Zhang , Lipiao Bao , Xing Lu . Synthesis methodologies of conductive 2D conjugated metal-organic frameworks. Chinese Journal of Structural Chemistry, 2025, 44(4): 100459-100459. doi: 10.1016/j.cjsc.2024.100459
12. [12]
  Chao LIU , Jiang WU , Zhaolei JIN . Synthesis, crystal structures, and antibacterial activities of two zinc(Ⅱ) complexes bearing 5-phenyl-1H-pyrazole group. Chinese Journal of Inorganic Chemistry, 2024, 40(10): 1986-1994. doi: 10.11862/CJIC.20240153
13. [13]
  Yueying Yang , Huiru Xie , Xinbo Yu , Yang Liu , Hui Wang , Hua Li , Lixia Chen . Design, synthesis and evaluation of the first DYRK1A degrader for promoting the proliferation of pancreatic β-cells. Chinese Chemical Letters, 2024, 35(11): 109570-. doi: 10.1016/j.cclet.2024.109570
14. [14]
  Ao Sun , Zipeng Li , Shuchun Li , Xiangbao Meng , Zhongtang Li , Zhongjun Li . Stereoselective synthesis of α-3-deoxy-D-manno-oct-2-ulosonic acid (α-Kdo) derivatives using a C3-p-tolylthio-substituted Kdo fluoride donor. Chinese Chemical Letters, 2025, 36(3): 109972-. doi: 10.1016/j.cclet.2024.109972
15. [15]
  Caili Yang , Tao Long , Ruotong Li , Chunyang Wu , Yuan-Li Ding . Pseudocapacitance dominated Li₃VO₄ encapsulated in N-doped graphene via 2D nanospace confined synthesis for superior lithium ion capacitors. Chinese Chemical Letters, 2025, 36(2): 109675-. doi: 10.1016/j.cclet.2024.109675
16. [16]
  Zhiwei Chen , Heyun Sheng , Xue Li , Menghan Chen , Xin Li , Qiuling Song . Efficient capture of difluorocarbene by pyridinium 1,4-zwitterionic thiolates: A concise synthesis of difluoromethylene-containing 1,4-thiazine derivatives. Chinese Chemical Letters, 2024, 35(4): 108937-. doi: 10.1016/j.cclet.2023.108937
17. [17]
  Qi Li , Zi-Lu Wang , Yun-He Xu . Copper-catalyzed 1,4-silylcyanation of 1,3-enynes: A silyl radical-initiated approach for synthesis of difunctionalized allenes. Chinese Chemical Letters, 2025, 36(3): 109991-. doi: 10.1016/j.cclet.2024.109991
18. [18]
  Huimin Luan , Qinming Wu , Jianping Wu , Xiangju Meng , Feng-Shou Xiao . Templates for the synthesis of zeolites. Chinese Journal of Structural Chemistry, 2024, 43(4): 100252-100252. doi: 10.1016/j.cjsc.2024.100252
19. [19]
  Hang Wang , Qi Wang , Chuan-De Wu . Continuous synthesis of ammonia. Chinese Journal of Structural Chemistry, 2025, 44(3): 100437-100437. doi: 10.1016/j.cjsc.2024.100437
20. [20]
  Gangsheng Li , Xiang Yuan , Fu Liu , Zhihua Liu , Xujie Wang , Yuanyuan Liu , Yanmin Chen , Tingting Wang , Yanan Yang , Peicheng Zhang . Three-step synthesis of flavanostilbenes with a 2-cyclohepten-1-one core by Cu-mediated [5 + 2] cycloaddition/decarboxylation cascade. Chinese Chemical Letters, 2025, 36(2): 109880-. doi: 10.1016/j.cclet.2024.109880