Three-Component One-Pot Synthesis of 1,4-Dihydropyrano[2,3-c]pyrazole Derivatives in Aqueous Media

Daqing Shi; Jie Mou; Qiya Zhuang; Lihui Niu; Nan Wu; Xiangshan Wang

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Three-Component One-Pot Synthesis of 1,4-Dihydropyrano[2,3-c]pyrazole Derivatives in Aqueous Media

机译：介质中三组分一锅法合成1,4-二氢吡喃并[2,3-c]吡唑衍生物

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6-Amino-5-cyano-4-aryl-1,4-dihydropyrano[2,3-c]pyrazoles were synthesized by three-component reaction of aromatic aldehydes,malononitrile,and 3-methyl-1-phenyl-2-pyrazolin-5-one using triethylbenzylammonium chloride (TEBA) as catalyst in aqueous media.The reaction has the advantages of good yield,less pollution,ease of separation,and of being environment friendly.

机译：通过芳香醛，丙二腈和3-甲基-1-苯基-2-吡唑啉的三组分反应合成了6-氨基-5-氰基-4-芳基-1,4-二氢吡喃并[2,3-c]吡唑。以三乙基苄基氯化铵（TEBA）为催化剂在水性介质中的-5-一反应。该反应收率高，污染少，易于分离，环保。

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《Synthetic Communications》 |2004年第24期|共7页
作者
Daqing Shi; Jie Mou; Qiya Zhuang; Lihui Niu; Nan Wu; Xiangshan Wang;
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正文语种 eng
中图分类有机化学;
关键词
Aqueous media; 1; 4-dihydropyrano2; 3-cpyrazoles; One-pot synthesis; Three component;

机译：水性介质;1;4-二氢吡喃并[2;3-c]吡唑;一锅合成;三组分;

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1. Three-Component One-Pot Synthesis of 1,4-Dihydropyrano[2,3-c]pyrazole Derivatives in Aqueous Media [J] . Daqing Shi, Jie Mou, Qiya Zhuang, Synthetic Communications . 2004,第24期

机译：介质中三组分一锅法合成1,4-二氢吡喃并[2,3-c]吡唑衍生物
2. Bovine serum albumin catalyzed one-pot, three-component synthesis of dihydropyrano[2,3-c]pyrazole derivatives in aqueous ethanol [J] . Kiran S. Dalal, Yogesh A. Tayade, Yogesh B. Wagh, RSC Advances . 2016,第18期

机译：牛血清白蛋白催化单罐，三组分合成二氢嘧啶[2,3-c]吡唑衍生物水溶液中的乙醇
3. One-pot multicomponent synthesis in aqueous medium of 1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile and derivatives using a green and reusable nano-SiO2 catalyst from agricultural waste [J] . Patel Khushbu G., Misra Nirendra M., Vekariya Rajesh H., Research on Chemical Intermediates . 2018,第1期

机译：1,4-二氢吡喃 - 吡唑-5-腈和衍生物的一盆多组分合成，使用绿色和可重复使用的纳米SiO2催化剂来自农业废物
4. Ulva fasciata-mediated preparation of zinc oxide nanocrystalline for one-pot multicomponent synthesis of 6-amino-3-methyl-4-phenyl-2,4-dihydropyrano2,3-cpyrazole-5-carbonitrile [C] . A H Cahyana, Nurhayati, B S B Utomo International Symposium on Current Progress in Functional Materials . 2017

机译：ULVA Fasciata介导的氧化锌纳米晶的氧化锌纳米晶的制备6-氨基-3-甲基-4-苯基-2,4-二氢吡喃-5-碳腈合成2,3-C吡唑-5-腈
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. A green and efficient protocol for the synthesis of dihydropyrano23-cpyrazole derivatives via a one-pot four component reaction by grinding method [O] . Sethurajan Ambethkar, Vediappen Padmini, Nattamai Bhuvanesh 2015

机译：通过研磨一锅四组分反应合成二氢吡喃并23-c吡唑衍生物的绿色高效方法
7. An one-pot three-component process for the synthesis of 6-amino-4-aryl-5-cyano-3-methyl-1-phenyl-1,4-dihydropyrano[2,3-c]pyrazoles in aqueous media [O] . Tong-Shou Jin, Rui-Qiao Zhao, Tong-Shuang Li 2006

机译：用于在水介质中合成6-氨基-4-芳基-5-氰基-3-甲基-1-苯基-1,4-二氢吡喃并[2,3-c]吡唑的一锅三组分方法

Three-Component One-Pot Synthesis of 1,4-Dihydropyrano[2,3-c]pyrazole Derivatives in Aqueous Media

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