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1 684 (0,099s) •

Project

Bioinspired Approaches to Polycyclic Phenolic Indane- and Tetraline-Containing Stilbenolignans, Stilbenes, and Polyketides (GA19-22085S)

asymmetric polar conjugate addition reactions followed by oxidative radical cyclization to the center of interest. Many of the natural products are formed by oxidative coupling and stereoselective oxidative approa...

Organic chemistry

  • 2019 - 2023
    • •
  • 2 898 tis. Kč
    • •
  • 2 508 tis. Kč
    • •
  • GA ČR
Project

Unified Bioinspired Approaches to Complex Pyrazinoquinazoline Alkaloids (GA21-30730S)

are proposed. Keysteps are new diversity-oriented oxidative modifications of the indole ring of the natural products, oxidative cyclizations to the pyrazinoquinazoline......

Organic chemistry

  • 2021 - 2023
    • •
  • 4 465 tis. Kč
    • •
  • 3 894 tis. Kč
    • •
  • GA ČR
Project

New cyclization reaction affording dinitrogen heterocycles (GA203/02/0306)

The subject of the project has been a new cyclization reaction affording dinitrogen heterocycles with trifluoromethyl group. In the cyclization, three components cyclization products are pyrrolo-pyrimidines with trifluoro-m...

CC - Organická chemie

  • 2002 - 2004
    • •
  • 2 280 tis. Kč
    • •
  • 1 050 tis. Kč
    • •
  • GA ČR
Project

Tandem Sigmatropic Rearrangement/Radical Reactions - A New Productive Alliance in Organic Chemistry (GA16-18513S)

to oxidative single-electron transfer under catalytic or stoichiometric conditions of radicals, which are subject to cyclization or coupling reactions. The results will have......

CC - Organická chemie

  • 2016 - 2020
    • •
  • 3 870 tis. Kč
    • •
  • 2 646 tis. Kč
    • •
  • GA ČR
Project

Conceptually new catalytic traceless asymmetric oxidative anionic-radical domino reactions (GA13-40188S)

is that it requires stoichiometric amounts of oxidants or reductants. The aim of the current project is the development of the first catalytic oxidative anionic-radical domino the reduced form of the stoichiometric oxidant...

CC - Organická chemie

  • 2013 - 2015
    • •
  • 3 501 tis. Kč
    • •
  • 3 501 tis. Kč
    • •
  • GA ČR
Project

Modern cyclization reaction for fine chemicals preparation (TH02010197)

Main goal of this project is development of GPTs for commercially requested fine chemicals synthesis. Attention will be focused on heterocyclic compounds prepared by modern catalytic cyclization reactions. Acquired results will be applicated...

CC - Organická chemie

  • 2017 - 2020
    • •
  • 13 076 tis. Kč
    • •
  • 7 646 tis. Kč
    • •
  • TA ČR
Project

Cyclization Reactions of Amides of N-Acyl-Alfa-Amino Acids. (GA203/94/0123)

9J - 9

  • 1994 - 1996
    • •
  • 300 tis. Kč
    • •
  • 400 tis. Kč
    • •
  • GA ČR
Project

Unified Bioinspired Total Syntheses of Complex Indolodiketopiperazine Alkaloid-Terpene Hybrid Natural Products and Their Analogs (GA22-32466S)

to this diverse natural product class consisting of: 1) dipeptide cyclization, 2) terpenylation, and 3) polyene cyclizations. The largest challenge consists of developing cationic terpenoid polyene cyclizations for precurs...

Organic chemistry

  • 2022 - 2024
    • •
  • 5 477 tis. Kč
    • •
  • 4 794 tis. Kč
    • •
  • GA ČR
Project

Unprecedented Domino Processes Involving the Directed Application of Anionic, Transition Metal-Catalyzed, Radical and Carbocationic Reaction Steps (GA203/09/1936)

/Rh- or Ru-catalyzed isomerization reaction/SET oxidation/Michael addition/radical cyclization/SET oxidation/carbocationic termination will be devised. This methodology......

CC - Organická chemie

  • 2009 - 2011
    • •
  • 937 tis. Kč
    • •
  • 937 tis. Kč
    • •
  • GA ČR
Project

Development of zirconocene-based methods for sesquiterpenoids synthesis (GA13-15915S)

frameworks by the means of transition metal mediated cyclization reactions. The first sythetic strategy will be based on the cyclization reactions of suitably substituted on the cyclization reaction of ene(yne)-vinylcyclop...

CC - Organická chemie

  • 2013 - 2016
    • •
  • 8 049 tis. Kč
    • •
  • 8 049 tis. Kč
    • •
  • GA ČR
  • 1 - 10 out of 1 684