One-Pot Synthesis of 1H-Indazole-4,7-diols via Iodine(III)-Mediated [3+2] Cyclization in Water

Hou Yingwei; Cai Chao; Yu Guangli

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One-Pot Synthesis of 1H-Indazole-4,7-diols via Iodine(III)-Mediated [3+2] Cyclization in Water

机译：通过碘（III）介导的[3 + 2]环化反应一锅合成1H-吲唑-4,7-二醇

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摘要

An efficient route in one-pot to a new class of 1H-indazole-4,7-diols derivatives has been developed through [3+2] cycloadditive approach in water. The cycloaddition reaction was carried out via condensation of phenol and diazomethyl benzene intermediates by taking advantage of iodobenzene diacetate as an oxidant. Eighteen indazole derivatives were successfully prepared by the established method.

机译：通过[3 + 2]环加成法在水中开发了一种有效的途径，可在一锅中获得一类新的1H-吲唑-4,7-二醇衍生物。环加成反应是通过利用二乙酸碘苯酯作为氧化剂，通过苯酚和重氮甲基苯中间体的缩合而进行的。通过建立的方法成功制备了十八种吲唑衍生物。

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《Synlett》 |2016年第5期|共4页
作者
Hou Yingwei; Cai Chao; Yu Guangli;
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正文语种 eng
中图分类有机化学理论、物理有机化学;
关键词
synthesis; 1H-indazole-4; 7-diols derivatives; one pot; water;

机译：合成;1H-吲唑-4;7-二醇衍生物;一锅;水;

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1. One-Pot Synthesis of 1H-Indazole-4,7-diols via Iodine(III)-Mediated [3+2] Cyclization in Water [J] . Hou Yingwei, Cai Chao, Yu Guangli Synlett . 2016,第5期

机译：通过碘（III）介导的[3 + 2]环化反应一锅合成1H-吲唑-4,7-二醇
2. Ultrasonic assisted-silica mediated [3+2] cycloaddition of azomethine ylides-a facile multicomponent one-pot synthesis of novel dispiroheterocycles [J] . A.R.Suresh Babu, R.Raghunathan Tetrahedron letters: The International Journal for the Rapid Publication of Preliminary Communications in Organic Chemistry . 2007,第38期

机译：超声辅助二氧化硅介导的[3 + 2]环甲亚胺碘化物的环加成反应-一种新型双螺杂环化合物的简便多组分一锅合成
3. ZrOCl_2 centre dot 8H_2O mediated microwave induced [3+2] cycloaddition of azomethine ylides-a facile one-pot synthesis of novel dispiroheterocycles [J] . A.R.Suresh Babu, R.Raghunathan Tetrahedron letters: The International Journal for the Rapid Publication of Preliminary Communications in Organic Chemistry . 2007,第26期

机译：ZrOCl_2中心点8H_2O介导的微波诱导偶氮甲啶的[3 + 2]环加成反应-一种新型双螺杂环化合物的简便一锅合成方法
4. Synthesis of Sulfur-Containing Heterocycles Using A Hypervalent Iodine(III) Reagent [C] . Ling-Ching Chen International symposium for Chinese organic chemists . 2000

机译：使用高效碘（III）试剂合成含硫杂环
5. New developments toward the synthesis of heterocycles and applications in green chemistry. I. A simple and essentially one-pot synthesis of N-aminated heterocycles using phase transfer catalyst (Aliquat-336). II. Synthesis of pharmaceutically important pyrrole derivatives. III. Applications in green chemistry: Surfactant-mediated environmentally friendly cleavage of aromatic esters and trans-esterification under solvent-free neutral conditions . [D] . Patel, Nitinchandra. 2005

机译：杂环合成的新进展及其在绿色化学中的应用。 I.使用相转移催化剂（Aliquat-336）简单且基本上一锅合成N-胺化的杂环。二。药学上重要的吡咯衍生物的合成。三，在绿色化学中的应用：在无溶剂的中性条件下，表面活性剂介导的环境友好的芳族酯裂解和酯交换反应。
6. Total synthesis of aspeverin via an iodine(III)-mediated oxidative cyclization [O] . Adam M. Levinson -1

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7. Application of Sustainable Natural Bioresources in Agriculture: Iodine-Mediated Oxidative Cyclization for Metal-Free One-Pot Synthesis of N‑Phenylpyrazole Sarisan Analogues as Insecticidal Agents [O] . Lailiang Qu, Hongyu Xu, Xiaoguang Wang, 2017

机译：可持续天然生物资源在农业中的应用：碘介导的氧化环化无金属一锅法合成N-苯基吡唑sarisan类似物作为杀虫剂

One-Pot Synthesis of 1H-Indazole-4,7-diols via Iodine(III)-Mediated [3+2] Cyclization in Water

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