Results 21 to 30 of about 60,563 (180)

11CO2 Fixation: A Renaissance in PET Radiochemistry [PDF]

open access: yes, 2013
Carbon-11 labelled carbon dioxide is the cyclotron-generated feedstock reagent for most positron emission tomography (PET) tracers using this radionuclide.
Collier, Thomas L   +6 more
core   +1 more source

Desymmetrization of meso ‐2,5‐Diallylpyrrolidinyl Ureas through Asymmetric Palladium‐Catalyzed Carboamination: Stereocontrolled Synthesis of Bicyclic Ureas [PDF]

open access: yes, 2013
Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/99614/1/9247_ftp.pdfhttp://deepblue.lib.umich.edu/bitstream/2027.42/99614/2/anie_201302720_sm_miscellaneous_information ...
Babij, Nicholas R., Wolfe, John P.
core   +1 more source

Recent advances in the total synthesis of agelastatins [PDF]

open access: yes, 2010
Agelastatins represent an important family of marine alkaloids in terms of both exceptional biological activity and intriguing chemical structure.
Dong, Guangbin
core   +1 more source

Synthesis of C6′′-modified α-C-GalCer analogues as mouse and human iNKT cell agonists [PDF]

open access: yes, 2017
alpha-GalCer analogues that combine known Th1 polarizing C6''-modifications with a C-glycosidic linkage were synthesized. We employed a protecting group strategy that allowed the preparation of both saturated and unsaturated derivatives with variable C6''
Decruy, Tine   +6 more
core   +2 more sources

Triazolinediones as highly enabling synthetic tools [PDF]

open access: yes, 2016
Triazolinediones (TADs) are unique reagents in organic synthesis that have also found wide applications in different research disciplines, in spite of their somewhat "exotic" reputation.
Billiet, Stijn   +5 more
core   +1 more source

Iron‐Catalyzed Carbonylation Reactions with Carbon Monoxide

open access: yesAngewandte Chemie, Volume 137, Issue 36, September 1, 2025.
Recent developments in iron‐catalyzed carbonylative transformations using CO as a C₁ feedstock are summarized in this minireview. Reaction mechanisms of selected reactions and the potential for further advancements in this field are also discussed. Abstract The utilization of carbon monoxide (CO) as an inexpensive and indispensable C1 feedstock for the
Kangkang Sun   +3 more
wiley   +2 more sources

Influence of Sulfur-Containing Diamino Acid Structure on Covalently Crosslinked Copolypeptide Hydrogels. [PDF]

open access: yes, 2018
Biologically occurring non-canonical di-α-amino acids were converted into new di-N-carboxyanhydride (di-NCA) monomers in reasonable yields with high purity.
Deming, Timothy J   +4 more
core   +1 more source

Synthetic applications of chiral unsaturated epoxy alcohols prepared by sharpless asymmetric epoxidation [PDF]

open access: yes, 2010
An overview of the synthesis and applications of chiral 2,3-epoxy alcohols containing unsaturated chains is presented. One of the fundamental synthetic routes to these compounds is Sharpless asymmetric epoxidation, which is reliable, highly ...
Moreno, María, Riera i Escalé, Antoni
core   +2 more sources

Recent Advances in Bioconjugation of Aromatic Amino Acid Residues by a Reactivity‐Guided Approach

open access: yesThe Chemical Record, EarlyView.
This review highlights recent advances in the bioconjugation of aromatic amino acids residues, focusing on strategies that leverage their inherent chemical reactivity to enable precise and versatile modifications of biomacromolecules, illustrating relevant applications.
Bruno M. da S. Santos   +3 more
wiley   +1 more source

Helix versus coil polypeptide macromers: gel networks with decoupled stiffness and permeability [PDF]

open access: yes, 2012
As a platform for investigating the individual effects of substrate stiffness, permeability, and ligand density on cellular behavior, we developed a set of hydrogels with stiffness tuned by polymer backbone rigidity, independent of cross-link density and
Griffith, Linda G.   +3 more
core   +1 more source

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