Results 41 to 50 of about 14,858 (206)
Koordinationschemie perhalogenierter Cyclopentadiene und Alkine, X [PDF]
, 1992 Coordination Chemistry of Perhalogenated Cyclopentadienes and Alkynes, X[1]. - Synthesis and Molecular Structure of a Cyclopentadienyl-1,3-dithiol Complex, [C5Cl3(SH)2]Mn(CO)3 The reaction of [C5Cl4Li]Mn(CO)3 with elemental sulfur leads to [C5Cl4SLi]Mn(
Akabori +15 more
core +1 more source
Notiz zur Synthese von Fulvenen nach Freiesleben
CHIMIA, 1974 Attempts to reproduce the synthesis of fulvenes claimed by Freiesleben (condensation of cyclopentadiene and carbonyl compounds in the presence of primary and secundary amines) are not successful, as far as the yields are concerned.
M. Neuenschwander, B. Granwehr
doaj +1 more source
Nature Communications, 2019 Investigation of a reaction scope usually starts with the optimization for a model substrate. Here, the authors apply a time-efficient multi-substrate screening approach to identify a general organocatalyst for the Diels–Alder reaction of cyclopentadiene
Hyejin Kim +8 more
doaj +1 more source
Controlling thermal reactivity with different colors of light [PDF]
, 2017 The ability to switch between thermally and photochemically activated reaction channels with an external stimulus constitutes a key frontier within the realm of chemical reaction control.
Barner-Kowollik, Christopher +2 more
core +4 more sources
(Poly)Borylated Species as Modern Reactive Groups toward Unusual Synthetic Applications
Angewandte Chemie International Edition, EarlyView.In this review, we spotlight recent breakthroughs in α‐polyboron‐substituted carbon‐centered intermediates (carbanion, carbocation, radical, and carbene) and polyborylated alkenes. By bridging fundamental reactivity with the application potential of these extraordinary species, we hope this review will serve as a roadmap for harnessing these unique ...
Nadim Eghbarieh +5 more
wiley +1 more source
Di-, Hexa- and Deca-Substituted Decaphenylferrocenes [PDF]
, 2005 5-Bromo-1,2,3,4-tetraphenyl-5-p-tolyl-1,3-cyclopentadiene (1a), 5-Bromo-1,4-di-phenyl-2,3,5- tri-p-tolyl-1,3-cyclopentadiene (1b), 5-Bromo-1,2,3,4,5-penta-p-tolyl-1,3-cyclopentadiene (1c), 5- Bromo-1,2,3,4-tetraphenyl-5-p-bromophenyl-1,3-cyclopentadiene (
Schumann, Herbert, Sühring, Klaudia
core +1 more source
Synthese und Luftvernetzung von Dimethylfulven-Copolymerisaten
CHIMIA, 1986 Cationic copolymerization of 6,6-dimethylfulvene (1) with styrene, ethoxyethene, and cyclopentadiene has been investigated. For the system 1 (M1)/cyclopenta-diene (M2) copolymerization-parameters r1 = 21.5 and r2 = 0.053 have been determined; this shows
Ulrich Schädeli, Markus Neuenschwander
doaj +1 more source
Combining 3D printing and liquid handling to produce user-friendly reactionware for chemical synthesis and purification [PDF]
, 2013 We use two 3D-printing platforms as solid- and liquid-handling fabricators, producing sealed reactionware for chemical synthesis with the reagents, catalysts and purification apparatus integrated into monolithic devices.
Cronin, Leroy +3 more
core +1 more source
Light‐Induced Reactions of Small‐Membered Cyclic Carbonyl Compounds
European Journal of Organic Chemistry, EarlyView.This review highlights recent advances in the synthesis and photochemical reactivity of cyclopropenone and cyclobutenedione. These compounds undergo photolysis upon direct excitation, and in some cases, through indirect excitation by photocatalysts. The resulting photogenerated species exhibit unique reactivity profiles that are strongly influenced by ...
Kenji Mishiro
wiley +1 more source
Synthesis of Pentacycloundecane (PCUD) Based Spiro-Pyrano-Cage Framework via Ring-Closing Metathesis
Molbank, 2023 Here, we demonstrate a short synthetic route to pyrano cage systems containing pentacycloundecane units by employing ring-closing metathesis (RCM) as a key step.
Sambasivarao Kotha +2 more
doaj +1 more source