Results 21 to 30 of about 3,332 (181)

Oxidative Carbocation Formation in Macrocycles: Synthesis of the Neopeltolide Macrocycle [PDF]

open access: yesAngewandte Chemie, 2009
AbstractMakrocyclische Oxocarbeniumionen wurden aus Makrolactonen mit Benzyl‐ oder Allyletherfunktionen durch oxidative C‐H‐Bindungsaktivierung in Gegenwart von 2,3‐Dichlor‐4,5‐dicyanchinon (DDQ) erhalten. Die Nützlichkeit dieser effizienten Reaktion für die Synthese komplexer Moleküle wurde anhand ihrer Verwendung zum Aufbau des Tetrahydropyronrings ...
Wangyang, Tu, Paul E, Floreancig
openaire   +2 more sources

Cyclo‐Polyproline: Chameleonic All‐Peptide Macrocycles With Induced‐Fit Host‐Guest Recognition

open access: yesAngewandte Chemie, EarlyView.
Macrocycles served as the genesis of supramolecular chemistry, advancing synthetic, separation, and materials fields. Despite their utility, they typically lack synthetic control. This work establishes a robust platform for all‐peptide macrocycles capable of host‐guest complexation and chameleonic behavior.
Camilla Di Girolamo   +9 more
wiley   +2 more sources

Recent Reports of Solid-Phase Cyclohexapeptide Synthesis and Applications

open access: yesMolecules, 2018
Macrocyclic peptides are privileged scaffolds for drug development and constitute a significant portion of macrocyclic drugs on the market today in fields spanning from infectious disease to oncology.
Allan M. Prior   +3 more
doaj   +1 more source

A Convergent Synthesis of the Macrocyclic Core of Cytotrienins:  Application of RCM for Macrocyclization [PDF]

open access: yesOrganic Letters, 2004
AbstractFor Abstract see ChemInform Abstract in Full Text.
Evano, Gwilherm, Schaus, JV, Panek, JS
openaire   +3 more sources

First synthesis of cryptands with sucrose scaffold

open access: yesBeilstein Journal of Organic Chemistry, 2019
Cryptands with sucrose scaffold, an unknown class of such derivatives, were prepared from the readily available 2,3,3’,4,4’-penta-O-benzylsucrose and 1’,2,3,3’,4,4’-hexa-O-benzylsucrose.
Patrycja Sokołowska   +2 more
doaj   +1 more source

Synthesis of Highly Functionalized Macrocycles by the Peripheral Functionalization of Macrocyclic Diimines [PDF]

open access: yesThe Journal of Organic Chemistry, 2006
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Miguel A, Sierra   +4 more
openaire   +2 more sources

Catalytic macrocyclization of unactivated C(sp3)-H bond in natural product synthesis

open access: yesTetrahedron Green Chem
Macrocyclic natural products present as essential scaffolds in drug development. Excited by the biological properties of macrocyclic natural products, its synthesis and the development of macrocyclization methods is an important research area in organic ...
Zhuo Wang
doaj   +1 more source

Synthesis of novel sulfide-based cyclic peptidomimetic analogues to solonamides

open access: yesBeilstein Journal of Organic Chemistry, 2019
Eight new sulfide-based cyclic peptidomimetic analogues of solonamides A and B have been synthesized via solid-phase peptide synthesis and SN2’ reaction on a Morita–Baylis–Hillman (MBH) residue introduced at the N-terminal of a tetrapeptide.
José Brango-Vanegas   +7 more
doaj   +1 more source

Macrocyclic Inhibitors of Hsp90 [PDF]

open access: yesCurrent Topics in Medicinal Chemistry, 2010
Heat shock proteins (HSP) are a family of highly conserved proteins, whose expression increases in response to stresses that may threaten cell survival. Over the past decade, heat shock protein 90 (Hsp90) has emerged as a potential therapeutic target for cancer as it plays a vital role in normal cell maturation and acts as a molecular chaperone for ...
Johnson, V   +4 more
openaire   +3 more sources

From Target-Oriented to Motif-Oriented: A Case Study on Nannocystin Total Synthesis

open access: yesMolecules, 2020
Natural product total synthesis is in essence target-oriented in that a set of organic transformations are orchestrated into a workable process, leading ultimately to the target molecule with a predefined architecture.
Weicheng Zhang
doaj   +1 more source

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