首页> 外文期刊>RSC Advances >Lewis acid free synthesis of 3,4-dihydro-1H-indazolo[1,2-b]phthalazine-1,6,11(2H,13H)-triones promoted by 1,1,1,3,3,3-hexafluoro-2-propanol
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Lewis acid free synthesis of 3,4-dihydro-1H-indazolo[1,2-b]phthalazine-1,6,11(2H,13H)-triones promoted by 1,1,1,3,3,3-hexafluoro-2-propanol

机译:路易斯无酸合成1,1,1,3,3,3-六氟促进的3,4-二氢-1H-吲唑并[1,2-b]酞嗪-1,6,11(2H,13H)-三酮-2-丙醇

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摘要

A convenient, environmentally friendly and efficient procedure for the synthesis 3,4-dihydro-1H-indazolo[1,2-b]phthalazine-1,6,11(2H,13H)-trione derivatives has been developed via multi-component and one-pot reactions of various aldehydes with cyclic 1,3-diketones and phthalhydrazide 1,1,1,3,3,3-hexafluoro-2-propanol (HFIP). In simple and mild reaction conditions, the use of HFIP is explored as an easy workup and a green catalyst for the one-pot three-component synthesis of 3,4-dihydro-1H-indazolo[1,2-b]phthalazine-1,6,11(2H, 13H)-triones. Thus, this practical method is developed as a notable medium for these derivatives via a multicomponent reaction.
机译:通过多组分和多组分合成,开发了一种方便,环保,高效的合成3,4-二氢-1H-吲唑并[1,2-b]酞嗪-1,6,11(2H,13H)-三酮衍生物的方法。各种醛与环状1,3-二酮和邻苯二甲酰肼1,1,1,3,3,3-六氟-2-丙醇(HFIP)的一锅反应。在简单温和的反应条件下,探索了将HFIP用作一种简单的后处理方法和一种绿色催化剂,用于一锅三组分合成3,4-二氢-1H-吲唑并[1,2-b]酞嗪-1 ,6,11(2H,13H)-三酮。因此,该实用方法被开发为通过多组分反应用于这些衍生物的显着介质。

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