Results 51 to 60 of about 5,793 (229)

Unprotected peptide macrocyclization and stapling via a fluorine-thiol displacement reaction

open access: yesNature Communications, 2022
Strategies capable of stapling unprotected peptides in a straightforward, chemoselective, and clean manner, as well as promoting cellular uptake are of great interest.
Md Shafiqul Islam   +13 more
doaj   +1 more source

Boolean Logic‐Based Control Over Recombinant Protein Biomaterial Degradability and Therapeutic Delivery

open access: yesAdvanced Materials, EarlyView.
Fully recombinant protein‐based biomaterials execute complex Boolean logic for user‐programmable material degradation and concomitant therapeutic cargo release. Biologics, such as growth factors, can be incorporated within the crosslinkers as “drugamers”, while encapsulated cells can be released according to nested YES/OR/AND‐type logical operations ...
Murial L. Ross   +3 more
wiley   +1 more source

Nitro-Grela-type complexes containing iodides – robust and selective catalysts for olefin metathesis under challenging conditions

open access: yesBeilstein Journal of Organic Chemistry, 2015
Iodide-containing nitro-Grela-type catalysts have been synthesized and applied to ring closing metathesis (RCM) and cross metathesis (CM) reactions. These new catalysts have exhibited improved efficiency in the transformation of sterically, non-demanding
Andrzej Tracz   +3 more
doaj   +1 more source

Self-cyclisation as a general and efficient platform for peptide and protein macrocyclisation

open access: yesCommunications Chemistry, 2023
Head-to-tail macrocyclization of proteins and peptides can increase their structural stability, however, potential polymerization can lead to reduced yields.
Xinying Jia   +10 more
doaj   +1 more source

Charting the Future of Stereoselective Carbohydrate Synthesis: The Essential Role of Cross‐Disciplinary Innovation

open access: yesAdvanced Science, EarlyView.
Cross‐disciplinary endeavors are blossoming across the broad chemical sciences. This perspective provides a glimpse into the rewarding interdisciplinary journey taken by the Charles Loh research group in pioneering the σ‐hole based catalytic glycosylation strategy.
Charles C. J. Loh
wiley   +1 more source

Macrocyclization of Unprotected Peptide Isocyanates [PDF]

open access: yes, 2016
A chemistry for the facile two-component macrocyclization of unprotected peptide isocyanates is described. Starting from peptides containing two glutamic acid γ-hydrazide residues, isocyanates can be readily accessed and cyclized with hydrazides of ...
Bradley L. Pentelute (1247046)   +3 more
core   +1 more source

Stereoselective macrocyclization through zirconocene-mediated coupling of achiral dialkynes [PDF]

open access: yes, 2009
Stereoselective macrocyclization through zirconocene-mediated coupling of achiral ...
Adam D Miller (10997982)   +5 more
core   +2 more sources

Total Synthesis and Pharmacological Investigation of Cordyheptapeptide A

open access: yesMolecules, 2017
The present investigation reports the synthesis of a phenylalanine-rich N-methylated cyclopeptide, cordyheptapeptide A (8), previously isolated from the insect pathogenic fungus Cordyceps sp.
Suresh Kumar   +5 more
doaj   +1 more source

Total Synthesis of (+)-Phomactin A Using a B-Alkyl Suzuki Macrocyclization [PDF]

open access: yes, 2016
A total synthesis of (+)-phomactin A is described using a B-alkyl Suzuki macrocyclization to incorporate the isolated trisubstituted olefin. This macrocyclization was accomplished with the sensitive hydrated furan ring in place. (R)-(+)-pulegone was used
Peter J. Mohr (1706467)   +1 more
core   +3 more sources

Small Natural Cyclic Peptides from DBAASP Database

open access: yesPharmaceuticals
Antimicrobial peptides (AMPs) are promising tools for combating microbial resistance. However, their therapeutic potential is hindered by two intrinsic drawbacks—low target affinity and poor in vivo stability.
Evgenia Alimbarashvili   +3 more
doaj   +1 more source

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