Results 111 to 120 of about 2,740,315 (129)
N-Hydroxyimide Ugi Reaction toward α-Hydrazino Amides [PDF]
Organic Letters, 2017 The Ugi four-component reaction (U-4CR) with N-hydroxyimides as a novel carboxylic acid isostere has been reported. This reaction provides straightforward access to α-hydrazino amides.
Ajay L Chandgude, Alexander Domling
exaly +3 more sources
Versatile Protecting-Group Free Tetrazolomethane Amine Synthesis by Ugi Reaction [PDF]
ACS Combinatorial Science, 2016 The use of ammonia in the Ugi reaction is often problematic due to low yields and multiple side reactions. Here, we report the use of ammonia in the tetrazole Ugi variation providing a clean, good-to-high yielding reaction, especially with ketones as oxo
Justyna Kalinowska-Tłuścik +2 more
exaly +3 more sources
Hydrazine in the Ugi Tetrazole Reaction [PDF]
Synthesis, 2016 We describe the hitherto unknown use of N-Boc-protected hydrazine in the Ugi tetrazole reaction to access a library of highly substituted 5-(hydrazinomethyl)-1-methyl-1H-tetrazoles. The reaction is very versatile and good to high yielding. A one-pot, two-
Justyna Kalinowska-Tłuścik +2 more
exaly +3 more sources
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Synthesis of New Polyheterocyclic Pyrrolo[3,4-b]pyridin-5-ones via an Ugi-Zhu/Cascade/Click Strategy
Molecules, 2023Eduardo González-Zamora +2 more
exaly
Synthesis of alginate derivative via the Ugi reaction and its characterization
Carbohydrate Polymers, 2016Jiacheng Li, Qiang Lin, Huiqiong Yan
exaly
An Ugi Reaction in the Total Synthesis of (−)‐Dysibetaine
Angewandte Chemie - International Edition, 2009Yoshihisa Kobayashi
exaly
Ammonia-Promoted One-Pot Tetrazolopiperidinone Synthesis by Ugi Reaction
ACS Combinatorial Science, 2017Justyna Kalinowska-Tłuścik +2 more
exaly