Results 51 to 60 of about 26,308 (247)
First Total Synthesis of Cryptopyranmoscatone A3 and Cryptopyranmoscatone B4
SynOpen, 2018 The first total synthesis of cryptopyranmoscatones A3 and B4 has been accomplished from d-ribose or but-3-ynol. The key steps involved in the synthesis are oxa-Michael addition, highly diastereoselective Brown allylation, and ring closing metathesis ...
A. Maheswara Reddy, Gowravaram Sabitha
doaj +1 more source
Metathesis Reactions of Carbohydrates: Recent Highlights in Cross‐Metathesis
European Journal of Organic Chemistry, 2010 AbstractMetathetical processes play a prominent role in the development of useful transformations because of their mildness, tolerance of functional groups, and synthetic potential. On the other hand, carbohydrates have gained well‐deserved relevance in the study of biological processes.
Aljarilla, Ana +2 more
openaire +2 more sources
Z-Selective Olefin Metathesis on Peptides: Investigation of Side-Chain Influence, Preorganization, and Guidelines in Substrate Selection [PDF]
, 2014 Olefin metathesis has emerged as a promising strategy for modulating the stability and activity of biologically relevant compounds; however, the ability to control olefin geometry in the product remains a challenge.
Grubbs, Robert H. +2 more
core +2 more sources
Cyclic Olefin Copolymers as Versatile Materials for Advanced Engineering Applications
Advanced Functional Materials, EarlyView.Cyclic olefin copolymers (COCs) are presented as highly versatile materials combining tunable synthesis, excellent optical properties, and mechanical robustness. Their potential spans microfluidics, bioengineering, and advanced electronics, while emerging self‐healing and sustainable solutions highlight future opportunities.
Giulia Fredi +3 more
wiley +1 more source
Olefin metathesis in multiblock copolymer synthesis
Beilstein Journal of Organic Chemistry, 2019 Multiblock copolymers constitute a basis for an emerging class of nanomaterials that combine various functional properties with durability and enhanced mechanical characteristics. Our mini-review addresses synthetic approaches to the design of multiblock
Maria L. Gringolts +3 more
doaj +1 more source
Olefin cross metathesis and ring-closing metathesis in polymer chemistry [PDF]
Polymer Chemistry, 2017 The use of olefin cross metathesis in preparing functional polymers, through either pre-functionalisation of monomers or post-polymerisation functionalisation is growing in both scope and breadth, as discussed in this review article.
Fern Sinclair +3 more
openaire +4 more sources
Well-defined silica-supported olefin metathesis catalysts [PDF]
, 2009 Two triethoxysilyl-functionalized N-heterocyclic carbene ligands have been synthesized and used to prepare the corresponding second-generation ruthenium olefin metathesis catalysts.
Allen, Daryl P. +2 more
core +1 more source
Azaporphyrinoid‐Based Photo‐ and Electroactive Architectures for Advanced Functional Materials
Advanced Materials, EarlyView.A long‐standing collaboration between the Torres and Guldi groups has yielded diverse azaporphyrinoid‐based donor‐acceptor nanohybrids with promising applications in solar energy conversion. This conspectus highlights key molecular platforms and structure‐function relationships that govern light and charge management, supporting the rational design of ...
Jorge Labella +3 more
wiley +1 more source
Computational study of productive and non-productive cycles in fluoroalkene metathesis
Beilstein Journal of Organic Chemistry, 2015 A detailed DFT study of the mechanism of metathesis of fluoroethene, 1-fluoroethene, 1,1-difluoroethene, cis- and trans-1,2-difluoroethene, tetrafluoroethene and chlorotrifluoroethene catalysed with the Hoveyda–Grubbs 2nd generation catalyst was ...
Markéta Rybáčková +4 more
doaj +1 more source
Cross Metathesis Assisted Solid-Phase Synthesis of Glycopeptoids [PDF]
, 2012 A solid-phase synthesis of glycopeptoids was explored through olefin cross metathesis (CM). Peptoids and sugar derivatives with appropriate olefin moieties were coupled in the presence of an olefin metathesis catalyst to afford glycopeptoids in good ...
Grubbs, Robert H. +3 more
core +1 more source