五配位氧磷烷分子间配体交换反应-RNA水解和融合过程的化学模型

doi:10.6023/cjoc201905007

有机化学 ›› 2019, Vol. 39 ›› Issue (8): 2311-2316.DOI: 10.6023/cjoc201905007 上一篇下一篇

所属专题：陈茹玉先生诞辰100周年；元素有机化学合辑2018-2019

研究简报

五配位氧磷烷分子间配体交换反应-RNA水解和融合过程的化学模型

王珣^a, 陈苏^a, 吴翊乐^a, 王晓宇^b, 唐果^a, 刘艳^a, 许鹏翔^a, 高祥^b, 赵玉芬^a,b,c

a 厦门大学化学系厦门 361005;
b 厦门大学药学院厦门 361102;
c 宁波大学新药技术研究院宁波 315211

收稿日期:2019-03-20 修回日期:2019-04-17 发布日期:2019-06-03
通讯作者: 高祥, 赵玉芬 E-mail:xgao@xmu.edu.cn;yfzhao@xmu.edu.cn
基金资助:
国家自然科学基金（Nos.21778042，41876072，21772163，41576081）、厦门南方海洋研究中心（No.17GYY002NF02）及中央高校基本科研业务费专项资金（No.20720170069）资助项目.

Intermolecular Ligand Exchange of Penta-oxy Phosphoranes: Potential Chemical Model for RNA Hydrolysis and Fusion

Wang Xun^a, Chen Su^a, Wu Yile^a, Wang Xiaoyu^b, Tang Guo^a, Liu Yan^a, Xu Pengxiang^a, Gao Xiang^b, Zhao Yufen^a,b,c

a Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005;
b School of Pharmaceutical Sciences, Xiamen University, Xiamen 361102;
c Institute of Drug Discovery Technology, Ningbo University, Ningbo 315211

Received:2019-03-20 Revised:2019-04-17 Published:2019-06-03
Contact: 10.6023/cjoc201905007 E-mail:xgao@xmu.edu.cn;yfzhao@xmu.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Nos. 21778042, 41876072, 21772163, 41576081), the Xiamen Southern Oceanographic Center (No. 17GYY002NF02), and the Fundamental Research Funds for the Central Universities (No. 20720170069).

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1. 五配位氧磷烷分子间配体交换反应-RNA水解和融合过程的化学模型.PDF(844KB)

摘要/Abstract

具有五元环和三配体结构的五配位氧磷烷（ab₂）在碱催化条件下自发进行分子间的配体交换反应，产生不同配体组合的全部三种五配位氧磷烷（a₃，b₃和a₂b）.如果把其中a₃与b₃作为父代分子，其配体交换产生的五配位氧磷烷a₂b和ab₂可以视作子代分子，从而自发实现了分子结构的多样化.因此，五配位氧磷烷分子间配体交换反应可以作为研究生命过程中具有五配位磷中间体结构化学性质的模型，对理解基因转录和生命信息储存等过程中涉及的RNA分子剪接、水解和融合等重要生命过程的分子机制提供了重要依据.

关键词: 磷化学, 五配位氧磷烷, 配体交换, 有机化学模型

Penta-coordinated phosphoranes (ab₂) with a five-member cycle and three ligands would simultaneously exchange with themselves under base catalysis to form three different penta-oxy phosphoranes with all the combinatorial ligands referred as a₃, b₃, and a₂b. If we consider a₃ and b₃ as parents, the products obtained from exchange, namely a₂b and ab₂, could be regarded as the offspring of the first generation, leading to the diversified chemical structures. Thus, these fascinating reactions could be considered as a promising chemical model for studying the unique chemistry of possible penta-coordinated phosphorus intermediates in the process of RNA self-splicing, hydrolysis and fusion for gene transcription and biological information storage.

Key words: phosphorus chemistry, penta-oxy phosphorane, ligand exchange, organic chemical model

引用此文

王珣, 陈苏, 吴翊乐, 王晓宇, 唐果, 刘艳, 许鹏翔, 高祥, 赵玉芬. 五配位氧磷烷分子间配体交换反应-RNA水解和融合过程的化学模型[J]. 有机化学, 2019, 39(8): 2311-2316.

Wang Xun, Chen Su, Wu Yile, Wang Xiaoyu, Tang Guo, Liu Yan, Xu Pengxiang, Gao Xiang, Zhao Yufen. Intermolecular Ligand Exchange of Penta-oxy Phosphoranes: Potential Chemical Model for RNA Hydrolysis and Fusion[J]. Chin. J. Org. Chem., 2019, 39(8): 2311-2316.

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五配位氧磷烷分子间配体交换反应-RNA水解和融合过程的化学模型

Intermolecular Ligand Exchange of Penta-oxy Phosphoranes: Potential Chemical Model for RNA Hydrolysis and Fusion

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