Intramolecular

Type: Keyphrase
Name: Intramolecular
First reported Sep 01 2014 - Updated Sep 01 2014 - 1 reports

Zinc-specific intramolecular excimer formation in TQEN derivatives: fluorescence and zinc binding property of TPEN-based hexadentate ligands

Zn2+-induced fluorescence enhancement of TPEN (N,N,N’,N’-tetrakis(2-pyridylmethyl)ethylenediamine)-based ligand, N,N-bis(1-isoquinolylmethyl)-N’,N’-bis(pyridylmethyl)ethylenediamine (N,N-1-isoBQBPEN, 1b) has been investigated. Upon Zn2+ binding, 1b shows ... [Published RSC - Sep 01 2014]
First reported Aug 29 2014 - Updated Aug 29 2014 - 1 reports

Synthesis of Functionalized Indoles via Palladium-Catalyzed Aerobic Oxidative Cycloisomerization of o-Allylanilines

An efficient strategy for the synthesis of 3-substituted 2-benzylindoles from stable and readily available o-allylanilines, prepared from anilines and allyl alcohols, has been developed. The reaction occurred via a regioselective 5-exo-trig intramolecular ... [Published Organic Letters - Aug 29 2014]
First reported Aug 28 2014 - Updated Aug 28 2014 - 1 reports

Tuning the Regioselectivity of Gold-Catalyzed Internal Nitroalkyne Redox: A Cycloisomerization and [3 + 2]-Cycloaddition Cascade for the Construction of spiro-Pseudoindoxyl Skeleton

A simple domino process for the construction of the tricyclic core present in the spiro-pseudoindoxyl natural products has been developed. This involves two intramolecular events: the Au-catalyzed nitroalkyne redox leading to isatogen and its subsequent ... [Published Organic Letters - Aug 28 2014]
First reported Aug 27 2014 - Updated Aug 27 2014 - 1 reports

What Molecules Are Likely or Unlikely To Undergo Pedal Motions in Crystals?

The crystal structures of several (E)-stilbenes and 1,2-diarylethane that have methyl or chloro substituents were examined by variable-temperature X-ray diffraction analysis. All the compounds showed disorders in their crystal structures at least at room ... [Published Crystal Growth & Design - Aug 27 2014]
First reported Aug 27 2014 - Updated Aug 27 2014 - 1 reports

Identifying Key Properties of Electrolytes for Light-Emitting Electrochemical Cells

The electrolyte is a key component in light-emitting electrochemical cells (LECs), as it facilitates in situ electrochemical doping and associated attractive device features. LiCF3SO3 dissolved in hydroxyl-capped trimethylolpropane ethoxylate (TMPE-OH) ... [Published Chemistry of Materials - Aug 27 2014]
Entities: Electrolyte, Ion, Doping
First reported Aug 27 2014 - Updated Aug 27 2014 - 1 reports

Synthesis and Biological Evaluation of Kendomycin and Its Analogues

Ansa compounds are gifts from microbes with intriguing molecular structures and highly potent bioactivities. One of the ansa compounds, kendomycin, has an oxa-metacyclophane skeleton with a quinone methide core and a fully substituted tetrahydropyran ... [Published Journal of Organic Chemistry - Aug 27 2014]
First reported Aug 27 2014 - Updated Aug 27 2014 - 1 reports

Synthesis of Substituted Azulenes via Pt(II)-Catalyzed Ring-Expanding Cycloisomerization

Substituted azulenes, valuable structures for electronic devices and pharmaceuticals, have been synthesized by the platinum(II)-catalyzed intramolecular ring-expanding cycloisomerization of 1-en-3-yne with ortho-disubstituted benzene. This novel method ... [Published Organic Letters - Aug 27 2014]
First reported Aug 26 2014 - Updated Aug 26 2014 - 1 reports

Fluorescent imaging agents

Provided is a family of intramolecularly quenched imaging agents for use in both in vivo and in vitro imaging that contain at least one enzymatically cleavable oligopeptide and two fluorophores or a fluorophore and a quencher. When subjected to proteolytic ... [Published Free Patents Online - Aug 26 2014]
First reported Aug 26 2014 - Updated Aug 26 2014 - 1 reports

Optimum Exchange for Calculation of Excitation Energies and Hyperpolarizabilities of Organic Electro-optic Chromophores

Organic electro-optic (OEO) materials integrated into silicon–organic hybrid devices afford significant improvements in size, weight, power, and bandwidth performance of integrated electronic/photonic systems critical for current and next generation telecommunication, ... [Published Journal of Chemical Theory and Computation - Aug 26 2014]
First reported Aug 26 2014 - Updated Aug 26 2014 - 1 reports

Total Synthesis of Aplykurodinone-1

The concise total synthesis of aplykurodinone-1 with an unusual cis-fused hydrindane moiety has been accomplished without the need for any protecting group chemistry using a unique SmI2 mediated reductive cascade cyclization reaction and a direct cuprate ... [Published Organic Letters - Aug 26 2014]
First reported Aug 26 2014 - Updated Aug 26 2014 - 1 reports

Selective Lateral Lithiation of Methyl BODIPYs: Synthesis, Photophysics, and Electrochemistry of New Meso Derivatives

Selected meso BODIPYs (chemically reactive, difficult to obtain by established procedures, or photophysically or electrochemically attractive) have been obtained by unprecedented selective lateral lithiation of 8-methylBODIPYs. The physical study of the ... [Published Organic Letters - Aug 26 2014]
First reported Aug 26 2014 - Updated Aug 26 2014 - 1 reports

Synthesis of Neplanocin A and Its 3′-Epimer via an Intramolecular Baylis–Hillman Reaction

The key cyclopentenyl intermediate 11b was synthesized in 4 steps from d ... [Published Journal of Organic Chemistry - Aug 26 2014]

Quotes

"Circularization can be partially suppressed by the use of high concentration donors or reduction of temperature but in cannot be avoided completely. These side reactions are mostly unpredictable and caused by sequence-dependent secondary structure variation of donor and acceptor molecules."

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All (96) | News (93) | Reports (0) | Blogs (3) | Audio/Video (0) | Fact Sheets (0) | Press Releases (0)
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Zinc-specific intramolecular excimer formation ... [Published RSC - Sep 01 2014]
Synthesis of Functionalized Indoles via Palladi... [Published Organic Letters - Aug 29 2014]
Synthesis, Structure and Spectral and Electroch... [Published RSC - Aug 29 2014]
Separating the buckybowl twins [Published Nanowerk - Aug 29 2014]
Tuning the Regioselectivity of Gold-Catalyzed I... [Published Organic Letters - Aug 28 2014]
Patent Issued for Modified RNA Ligase for Effic... [Published 4 Traders - Aug 28 2014]
What Molecules Are Likely or Unlikely To Underg... [Published Crystal Growth & Design - Aug 27 2014]
Identifying Key Properties of Electrolytes for... [Published Chemistry of Materials - Aug 27 2014]
Synthesis and Biological Evaluation of Kendomy... [Published Journal of Organic Chemistry - Aug 27 2014]
Synthesis of Substituted Azulenes via Pt(II)-Ca... [Published Organic Letters - Aug 27 2014]
Fluorescent imaging agents [Published Free Patents Online - Aug 26 2014]
Optimum Exchange for Calculation of Excitation ... [Published Journal of Chemical Theory and Computation - Aug 26 2014]
Selective Lateral Lithiation of Methyl BODIPYs:... [Published Organic Letters - Aug 26 2014]
Total Synthesis of Aplykurodinone-1 [Published Organic Letters - Aug 26 2014]
Synthesis of Neplanocin A and Its 3′-Epimer v... [Published Journal of Organic Chemistry - Aug 26 2014]
A Three-Step Process To Facilitate the Annulat... [Published Journal of Organic Chemistry - Aug 25 2014]
Seeing and touching a single synthetic molecula... [Published the Foresight Institute - Aug 25 2014]
Palladium-Catalyzed Intramolecular Oxidative C... [Published Journal of Organic Chemistry - Aug 22 2014]
Differential Sensitivity of Src-Family Kinases ... [Published Plosone.org - Aug 21 2014]
Asymmetric Synthesis of Chiral Heterocyclic Am... [Published Journal of Organic Chemistry - Aug 21 2014]
An Artificial Tongue Fluorescent Sensor Array f... [Published Analytical Chemistry - Aug 21 2014]
Researchers at AstraZeneca Release New Data on ... [Published 4 Traders - Aug 20 2014]
Protonation induced shifting of electron-accept... [Published RSC - Aug 20 2014]
Uncommon cis Configuration of a Metal–Metal Br... [Published Inorganic Chemistry - Aug 20 2014]
Bayesian Inference of Accurate Population Sizes... [Published Analytical Chemistry - Aug 19 2014]
Characterization of Poly(N-isopropylacrylamide)... [Published RSC - Aug 18 2014]
A general overview of the organocatalytic intra... [Published RSC - Aug 18 2014]
Functionalized Lanthanide Coordination Polymers... [Published RSC - Aug 18 2014]
Rh(II)/Brønsted Acid Cocatalyzed Intramolecula... [Published Journal of Organic Chemistry - Aug 16 2014]
Progress toward the Total Synthesis of N-Methyl... [Published Organic Letters - Aug 15 2014]
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Seeing and touching a single synthetic molecula... [Published the Foresight Institute - Aug 25 2014]
Schematic illustration for single-molecule motion capturing and manipulation of 1-nm sized synthetic molecular machine by optical microscopy using a bead probe. A large bead attached to the rotor part of the synthetic molecular bearing (double decker ...
What If Total Syntheses Had Only 25 Steps to Wo... [Published In the Pipeline - Mar 17 2014]
Via the Baran lab's Twitter feed, here's a provocative article on whether total organic synthesis has a place in the modern world or not. One may wonder why this situation has passed undisputed for such a long time. Currently however, wide parts ...
SGS Informs on New EFSA Assessment on Risks of ... [Published PR.com Press Releases - Jan 31 2014]
Münich, Germany, January 31, 2014 --( PR.com )-- What is Aspartame? Aspartame is a low-calorie, intense artificial sweetener. It is a white, odorless powder, approximately 200 times sweeter than sugar. Aspartame is a dipeptide of L-phenylalanine methyl ...
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