Citation:
Hong CHEN, Shao Yi SUN, De Quan YU. Stereoselective Addition of Organotitanium and Grignard Reagents to 3,5-O-isopropylidene-L-glucurono-γ-lactone[J]. Chinese Chemical Letters,
;1998, 9(10): 889-892.
-
Substituted PhMgX and PhTi (OCHMe2)4MgX react with 3,5-O-isopropylidene-L-glucurono-γ-lactone 4 to give tetraols 5a~e and its stereoisomers 6a~e. Tetraols 5a~e are the important intermediates in the synthesis of howiinol A1 and its derivatives. The stereoselectivities of substituted PhTi (OCHMe2)4Mg (5a~e:6a~e ratio, 68~72:32~28) were better than those of substituted PhMgX (33~64:67~36) in the reaction. The effects of different substituted groups and positions (p-Me, m-Me, o-MeO, p-Cl) of the phenyl ring on their stereoselectivies were not significant.
-
-
-
-
[1]
Hongjin Shi , Guoyin Yin , Xi Lu , Yangyang Li . Stereoselective synthesis of 2-deoxy-α-C-glycosides from glycals. Chinese Chemical Letters, 2024, 35(12): 109674-. doi: 10.1016/j.cclet.2024.109674
-
[2]
Haojie Duan , Hejingying Niu , Lina Gan , Xiaodi Duan , Shuo Shi , Li Li . Reinterpret the heterogeneous reaction of α-Fe2O3 and NO2 with 2D-COS: The role of SDS, UV and SO2. Chinese Chemical Letters, 2024, 35(6): 109038-. doi: 10.1016/j.cclet.2023.109038
-
[3]
Yanqi Wu , Yuhong Guan , Peilin Huang , Hui Chen , Liping Bai , Zhihong Jiang . Preparation of norovirus GII loop mediated isothermal amplification freeze-drying microsphere reagents and its application in an on-site integrated rapid detection platform. Chinese Chemical Letters, 2024, 35(9): 109308-. doi: 10.1016/j.cclet.2023.109308
-
[4]
Min Song , Qian Zhang , Tao Shen , Guanyu Luo , Deli Wang . Surface reconstruction enabled o-PdTe@Pd core-shell electrocatalyst for efficient oxygen reduction reaction. Chinese Chemical Letters, 2024, 35(8): 109083-. doi: 10.1016/j.cclet.2023.109083
-
[5]
Zizhuo Liang , Fuming Du , Ning Zhao , Xiangxin Guo . Revealing the reason for the unsuccessful fabrication of Li3Zr2Si2PO12 by solid state reaction. Chinese Journal of Structural Chemistry, 2023, 42(11): 100108-100108. doi: 10.1016/j.cjsc.2023.100108
-
[6]
Zhen Liu , Zhi-Yuan Ren , Chen Yang , Xiangyi Shao , Li Chen , Xin Li . Asymmetric alkenylation reaction of benzoxazinones with diarylethylenes catalyzed by B(C6F5)3/chiral phosphoric acid. Chinese Chemical Letters, 2024, 35(5): 108939-. doi: 10.1016/j.cclet.2023.108939
-
[7]
Bowen Li , Ting Wang , Ming Xu , Yuqi Wang , Zhaoxing Li , Mei Liu , Wenjing Zhang , Ming Feng . Structuring MoO3-polyoxometalate hybrid superstructures to boost electrocatalytic hydrogen evolution reaction. Chinese Chemical Letters, 2025, 36(2): 110467-. doi: 10.1016/j.cclet.2024.110467
-
[8]
Ke Zhang , Sheng Zuo , Pengyuan You , Tong Ru , Fen-Er Chen . Palladium-catalyzed stereoselective decarboxylative [4 + 2] cyclization of 2-methylidenetrimethylene carbonates with pyrrolidone-derived enones: Straightforward access to chiral tetrahydropyran-fused spiro-pyrrolidine-2,3-diones. Chinese Chemical Letters, 2024, 35(6): 109157-. doi: 10.1016/j.cclet.2023.109157
-
[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]
Mengxiang Zhu , Tao Ding , Yunzhang Li , Yuanjie Peng , Ruiping Liu , Quan Zou , Leilei Yang , Shenglei Sun , Pin Zhou , Guosheng Shi , Dongting Yue . Graphene controlled solid-state growth of oxygen vacancies riched V2O5 catalyst to highly activate Fenton-like reaction. Chinese Chemical Letters, 2024, 35(12): 109833-. doi: 10.1016/j.cclet.2024.109833
-
[11]
Jian Han , Li-Li Zeng , Qin-Yu Fei , Yan-Xiang Ge , Rong-Hui Huang , Fen-Er Chen . Recent advances in remote C(sp3)–H functionalization via chelating group-assisted metal-catalyzed chain-walking reaction. Chinese Chemical Letters, 2024, 35(11): 109647-. doi: 10.1016/j.cclet.2024.109647
-
[12]
Rui Wang , Yang Liang , Julius Rebek Jr. , Yang Yu . Stabilization and detection of labile reaction intermediates in supramolecular containers. Chinese Chemical Letters, 2024, 35(6): 109228-. doi: 10.1016/j.cclet.2023.109228
-
[13]
Xin Li , Zhen Xu , Donglei Bu , Jinming Cai , Huamei Chen , Qi Chen , Ting Chen , Fang Cheng , Lifeng Chi , Wenjie Dong , Zhenchao Dong , Shixuan Du , Qitang Fan , Xing Fan , Qiang Fu , Song Gao , Jing Guo , Weijun Guo , Yang He , Shimin Hou , Ying Jiang , Huihui Kong , Baojun Li , Dengyuan Li , Jie Li , Qing Li , Ruoning Li , Shuying Li , Yuxuan Lin , Mengxi Liu , Peinian Liu , Yanyan Liu , Jingtao Lü , Chuanxu Ma , Haoyang Pan , JinLiang Pan , Minghu Pan , Xiaohui Qiu , Ziyong Shen , Shijing Tan , Bing Wang , Dong Wang , Li Wang , Lili Wang , Tao Wang , Xiang Wang , Xingyue Wang , Xueyan Wang , Yansong Wang , Yu Wang , Kai Wu , Wei Xu , Na Xue , Linghao Yan , Fan Yang , Zhiyong Yang , Chi Zhang , Xue Zhang , Yang Zhang , Yao Zhang , Xiong Zhou , Junfa Zhu , Yajie Zhang , Feixue Gao , Yongfeng Wang . Recent progress on surface chemistry Ⅰ: Assembly and reaction. Chinese Chemical Letters, 2024, 35(12): 110055-. doi: 10.1016/j.cclet.2024.110055
-
[14]
Xiaofei NIU , Ke WANG , Fengyan SONG , Shuyan YU . Self-assembly of [Pd6(L)4]8+-type macrocyclic complexes for fluorescent sensing of HSO3-. Chinese Journal of Inorganic Chemistry, 2024, 40(7): 1233-1242. doi: 10.11862/CJIC.20240057
-
[15]
Yi Zhang , Biao Wang , Chao Hu , Muhammad Humayun , Yaping Huang , Yulin Cao , Mosaad Negem , Yigang Ding , Chundong Wang . Fe–Ni–F electrocatalyst for enhancing reaction kinetics of water oxidation. Chinese Journal of Structural Chemistry, 2024, 43(2): 100243-100243. doi: 10.1016/j.cjsc.2024.100243
-
[16]
Xianxu Chu , Lu Wang , Junru Li , Hui Xu . Surface chemical microenvironment engineering of catalysts by organic molecules for boosting electrocatalytic reaction. Chinese Chemical Letters, 2024, 35(8): 109105-. doi: 10.1016/j.cclet.2023.109105
-
[17]
Kebo Xie , Qian Zhang , Fei Ye , Jungui Dai . A multi-enzymatic cascade reaction for the synthesis of bioactive C-oligosaccharides. Chinese Chemical Letters, 2024, 35(6): 109028-. doi: 10.1016/j.cclet.2023.109028
-
[18]
Zhao Li , Huimin Yang , Wenjing Cheng , Lin Tian . Recent progress of in situ/operando characterization techniques for electrocatalytic energy conversion reaction. Chinese Chemical Letters, 2024, 35(9): 109237-. doi: 10.1016/j.cclet.2023.109237
-
[19]
Kunsong Hu , Yulong Zhang , Jiayi Zhu , Jinhua Mai , Gang Liu , Manoj Krishna Sugumar , Xinhua Liu , Feng Zhan , Rui Tan . Nano-engineered catalysts for high-performance oxygen reduction reaction. Chinese Chemical Letters, 2024, 35(10): 109423-. doi: 10.1016/j.cclet.2023.109423
-
[20]
Zhuwen Wei , Jiayan Chen , Congzhen Xie , Yang Chen , Shifa Zhu . Divergent de novo construction of α-functionalized pyrrole derivatives via coarctate reaction. Chinese Chemical Letters, 2024, 35(12): 109677-. doi: 10.1016/j.cclet.2024.109677
-
[1]
Metrics
- PDF Downloads(1)
- Abstract views(599)
- HTML views(6)