Results 41 to 50 of about 1,773,765 (367)

High throughput synthesis of 2,5-substituted indoles using a titanium carbenoid bearing boronate functionality [PDF]

open access: yes, 2008
A titanium benzylidene complex bearing a boronate group converted resin-bound esters into enol ethers. Suzuki cross-coupling with aryl iodides followed by cleavage with acid completed the solid-phase synthesis of 2,5-disubstituted N-Boc-indoles.
Hartley, R.C.   +3 more
core   +1 more source

Solid-Phase Synthesis of ?-Oligopeptides

open access: yesCHIMIA, 1997
Fmoc-N-Protected ?-amino acids of (S)-configuration bearing the side chains of Ala, Val, Leu, and Phe in the 3- and 2-position have been prepared. Manual solid-phase synthesis (ortho-chlorotrityl-chloride resin) of the ?-heptapeptides H-?3-HVal-?
Gilles Guichard, Dieter Seebach
doaj   +2 more sources

Optimized Solid Phase-Assisted Synthesis of Dendrons Applicable as Scaffolds for Radiolabeled Bioactive Multivalent Compounds Intended for Molecular Imaging

open access: yesMolecules, 2014
Dendritic structures, being highly homogeneous and symmetric, represent ideal scaffolds for the multimerization of bioactive molecules and thus enable the synthesis of compounds of high valency which are e.g., applicable in radiolabeled form as ...
Gabriel Fischer   +2 more
doaj   +1 more source

The interplay between thermodynamics and kinetics in the solid-state synthesis of layered oxides. [PDF]

open access: yes, 2020
In the synthesis of inorganic materials, reactions often yield non-equilibrium kinetic byproducts instead of the thermodynamic equilibrium phase. Understanding the competition between thermodynamics and kinetics is a fundamental step towards the rational
Bai, Jianming   +14 more
core  

Design and Synthesis of a Novel N-(1H-tetrazol-5-yl)methyl Cyclic Peptoid Using Nosyl-protected N-(1-trityl-1H-tetrazol-5-yl)methyl Substituted Glycine [PDF]

open access: yes, 2017
: A solid phase synthesis of a cyclic peptoid bearing (1H-tetrazol-5-yl)methyl as N-substituent has been developed employing the monomer approach.
Krishnamurthy, M.   +4 more
core   +1 more source

Grafted supports in solid-phase synthesis [PDF]

open access: bronzeBiopolymers, 2000
Solid-phase synthesis is greatly dependent on the solid phase. We are interested in the development of a "pellicular" type of solid support where a more mobile polymer is grafted to rigid plastics. Compared to low cross-linked microporous beads that dominate the field, this approach allows great flexibility of design, as plastics are available as ...
Firas Rasoul   +8 more
openalex   +4 more sources

Carbides and Nitrides of Zirconium and Hafnium. [PDF]

open access: yes, 2019
Among transition metal carbides and nitrides, zirconium, and hafnium compounds are the most stable and have the highest melting temperatures. Here we review published data on phases and phase equilibria in Hf-Zr-C-N-O system, from experiment and ab ...
Hong, Qi-Jun   +3 more
core   +1 more source

Mechanochemical synthesis of AlCoCrFeNi powders via high-energy ball milling

open access: yesҚарағанды университетінің хабаршысы. Физика сериясы, 2023
AlCoCrFeNi powders in equimolar ratios were synthesized by mechanochemical synthesis on a high-energy ball milling machine (HEBM). The elemental and phase composition of AlCoCrFeNi powders before and after mechanochemical synthesis were investigated by ...
Е.Е. Камбаров   +3 more
doaj   +1 more source

Advances in Fmoc solid‐phase peptide synthesis

open access: yesJournal of Peptide Science, 2016
Today, Fmoc SPPS is the method of choice for peptide synthesis. Very‐high‐quality Fmoc building blocks are available at low cost because of the economies of scale arising from current multiton production of therapeutic peptides by Fmoc SPPS.
R. Behrendt, P. White, J. Offer
semanticscholar   +1 more source

Social context prevents heat hormetic effects against mutagens during fish development

open access: yesFEBS Letters, EarlyView.
This study shows that sublethal heat stress protects fish embryos against ultraviolet radiation, a concept known as ‘hormesis’. However, chemical stress transmission between fish embryos negates this protective effect. By providing evidence for the mechanistic molecular basis of heat stress hormesis and interindividual stress communication, this study ...
Lauric Feugere   +5 more
wiley   +1 more source

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