Results 31 to 40 of about 1,486,006 (344)

Quantum dot-labelled polymer beads by suspension polymerisation [PDF]

open access: yes, 2003
CdSe quantum dots with polymerisable ligands have been incorporated into polystyrene beads, via a suspension polymerisation reaction, as a first step towards the optical encoding of solid supports for application in solid phase organic ...
Cummins, Siobhan S.   +7 more
core   +2 more sources

Selective Quadruple C(sp3)-F Functionalization of Polyfluoroalkyl Ketones

open access: yesiScience, 2020
Summary: The significance of organofluorine compounds has inspired the establishment of numerous methods for the functionalization of rather inert C-F bonds.
Ting Xie   +7 more
doaj  

Unanticipated switch of reactivity of isonitrile via N≡C bond scission: Cascade formation of symmetrical sulfonyl guanidine

open access: yesiScience, 2023
Summary: Unanticipated formation of symmetrical sulfonyl guanidine was observed while treating isonitriles with N,N-dibromoarylsulfonamides in absence of an external amine source.
Debashish Mishra   +2 more
doaj  

Catalytic Enantiodivergent Michael Addition by Subtle Adjustment of Achiral Amino Moiety of Dipeptide Phosphines

open access: yesiScience, 2020
Summary: Over the past decades, asymmetric catalysis has been intensely investigated as a powerful tool for the preparation of numerous chiral biologically active compounds.
Huamin Wang   +3 more
doaj  

Further developments of β,γ-unsaturated α-ketoesters as versatile synthons in asymmetric catalysis

open access: yesiScience, 2022
Summary: β,γ-Unsaturated α-ketoesters prove to be versatile organic synthons participating in diverse catalytic asymmetric transformations with the breathtaking development of organo-catalysis, new catalytic systems including ingenious chiral ligands as ...
Ruixian Deng   +4 more
doaj  

Functionalization of Pyrene To Prepare Luminescent Materials—Typical Examples of Synthetic Methodology [PDF]

open access: yes, 2016
Pyrene-based π-conjugated materials are considered to be an ideal organic electro-luminescence material for application in semiconductor devices, such as organic light-emitting diodes (OLEDs), organic field-effect transistors (OFETs) and organic ...
Ajami   +139 more
core   +1 more source

Session Organic Chemistry

open access: yesCHIMIA, 2023
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Céline Wittwer
doaj  

NMR Chemical Shifts of Trace Impurities: Common Laboratory Solvents, Organics, and Gases in Deuterated Solvents Relevant to the Organometallic Chemist [PDF]

open access: yes, 2010
Tables of ^1H and ^(13)C NMR chemical shifts have been compiled for common organic compounds often used as reagents or found as products or contaminants in deuterated organic solvents.
Bercaw, John E.   +7 more
core   +1 more source

Insights into PI3K/AKT signaling in B cell development and chronic lymphocytic leukemia

open access: yesFEBS Letters, EarlyView.
This Review explores how the phosphoinositide 3‐kinase and protein kinase B pathway shapes B cell development and drives chronic lymphocytic leukemia, a common blood cancer. It examines how signaling levels affect disease progression, addresses treatment challenges, and introduces novel experimental strategies to improve therapies and patient outcomes.
Maike Buchner
wiley   +1 more source

The cytoskeletal control of B cell receptor and integrin signaling in normal B cells and chronic lymphocytic leukemia

open access: yesFEBS Letters, EarlyView.
In lymphoid organs, antigen recognition and B cell receptor signaling rely on integrins and the cytoskeleton. Integrins act as mechanoreceptors, couple B cell receptor activation to cytoskeletal remodeling, and support immune synapse formation as well as antigen extraction.
Abhishek Pethe, Tanja Nicole Hartmann
wiley   +1 more source

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