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Showing 1-20 of 38 results

  1. Radical intermediates in the photolysis of the mixed benzoyl-substituted phosphonium-iodonium ylide in different solvents

    Mixed phosphonium-iodonium ylides effectively undergo the photochemical reaction of heterocyclization. For most mixed phosphonium-iodonium ylides,...

    I. D. Potapov, M. V. Motyakin, ... T. A. Podrugina in Russian Chemical Bulletin
    Article 01 March 2024

  2. Regioselective heterocyclization of mixed phosphonium-iodonium ylides with acetylenes involving dimethyl acetylenedicarboxylate

    A new approach to the synthesis of λ 5 -phosphinolines was developed consisting in the reaction of mixed phosphonium-iodonium ylides with acetylenes in...

    I. D. Potapov, A. Yu. Voznarskiy, ... T. A. Podrugina in Russian Chemical Bulletin
    Article 21 May 2022

  3. A novel structural type of conformationally fixed, mixed phosphonium-iodonium ylides based on phenoxaphosphinine

    A synthetic approach to a novel type of phosphonium and mixed phosphonium-iodonium ylides containing a conformationally fixed phosphonium fragment is...

    A. S. Nenashev, D. S. Vinogradov, ... T. A. Podrugina in Russian Chemical Bulletin
    Article 29 December 2020

  4. Photocatalytic carbyne reactivity of phosphorus ylides for three-component formal cycloaddition reactions

    Selective reactions between more than two molecules are governed by appropriate combinations of polar functionalities. This restriction can be...

    Ryuhei Suzuki, Taiga Ando, ... Takashi Ooi in Nature Synthesis
    Article 15 July 2024

  5. Remarkable Mechanism of the Reaction between Mixed Phosphonium-Iodonium Ylides and Acetylenes

    Abstract

    Reactions of mixed phosphonium-iodonium ylides with nitriles and acetylenes allow for the synthesis of not easily accessible and novel...

    T. D. Nekipelova, T. A. Podrugina in Kinetics and Catalysis
    Article 01 March 2020

  6. Radical Intermediates in Reactions of Mixed Phosphonium–Iodonium Ylides

    Abstract

    The active intermediates generated in the photolysis of phosphonium–iodonium ylides and their reaction with acetylenes have been studied with...

    T. D. Nekipelova, M. V. Motyakin, ... T. A. Podrugina in Russian Journal of Physical Chemistry B
    Article 01 November 2019

  8. New Trends in Ylide Chemistry

    This review concerns in the first part the works published during the last three years on the synthesis and reactivity of stabilized ylides...
    Marc Taillefer, Henri-Jean Cristau in New Aspects in Phosphorus Chemistry III
    Chapter

  9. Mixed iodonium-, phosphonium-, arsonium-, sulfoniumdiazonium ylides in reactions with nucleophiles

    The reactions of mixed ylides containing a diazonium fragment and an "onium" group of different nature with nucleophiles were studied. In the...

    T. A. Podrugina, A. S. Pavlova, ... R. Gleiter in Russian Chemical Bulletin
    Article 01 February 2019

  10. The Role of an Acid in the Decomposition of Mixed Benzoyl-Substituted Phosphonium–Iodonium Ylide

    Abstract —Mixed phosphonium–iodonium ylides allow the synthesis of not easily accessible and novel heterocyclic compounds. Photoinitiated reactions of...

    T. D. Nekipelova, T. A. Podrugina, ... V. A. Kuzmin in Kinetics and Catalysis
    Article 01 January 2019

  11. State of the art procedures towards reactive [18F]fluoride in PET tracer synthesis

    Background

    Positron emission tomography (PET) is a powerful, non-invasive preclinical and clinical nuclear imaging technique used in disease diagnosis...

    Lizeth Y. F. Haveman, Danielle J. Vugts, Albert D. Windhorst in EJNMMI Radiopharmacy and Chemistry
    Article Open access 12 October 2023

  12. Charge frustration in ligand design and functional group transfer

    Molecules with different resonance structures of similar importance, such as heterocumulenes and mesoionics, are prominent in many applications of...

    Dominik Munz, Karsten Meyer in Nature Reviews Chemistry
    Article 27 May 2021

  13. Free radicals in photolysis of mixed phosphonium–iodonium ylides and in their reactions with acetylenes

    UV irradiation of mixed phosphonium–iodonium ylide in CH 2 Cl 2 leads to formation of free radicals with lifetimes of a few minutes detected by EPR. In...

    T. D. Nekipelova, V. V. Kasparov, ... N. S. Zefirov in Doklady Physical Chemistry
    Article 01 June 2017

  14. Green Reactions

    A majority of organic reactions require the use of volatile solvents and dry conditions, and produce a number of by-products which are harmful to the...
    V. K. Ahluwalia in Green Chemistry
    Chapter 2021

  15. Photocyclization of a mixed phosphonium-iodonium ylide with phenylacetylene: A formal kinetic approach to the mechanistic study

    The recently discovered photoheterocyclization of a mixture of mixed phosphonium-iodonium ylides and acetylene compounds to give λ 5 -phosphinoline, a...

    T. D. Nekipelova, M. A. Taranova, ... N. S. Zefirov in Kinetics and Catalysis
    Article 25 July 2015

  16. Alkynylation with Hypervalent Iodine Reagents

    Alkynes are among the most versatile functional groups in organic synthesis. They are also frequently used in chemical biology and materials science....
    Jerome Waser in Hypervalent Iodine Chemistry
    Chapter 2015

  18. Fluorine Containing Diazines. Synthesis and Properties

    This review deals with general and significant developments in the area of chemistry of fluorinated pyrimidine, pyrazine and pyridazine. Diazines...
    Dmitriy M. Volochnyuk, Oleksandr O. Grygorenko, Alina O. Gorlova in Fluorine in Heterocyclic Chemistry Volume 2
    Chapter 2014
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