Results 231 to 240 of about 18,040 (292)

Evaluating the halogen bonding strength of a iodoloisoxazolium(III) salt. [PDF]

open access: yesBeilstein J Org Chem
Reinhard DL   +5 more
europepmc   +1 more source

A Dual Catalytic Approach for the Halogen-Bonding-Mediated Reductive Cleavage of α-Bromodifluoroesters and Amides. [PDF]

open access: yesJ Org Chem
Tasnim T   +6 more
europepmc   +1 more source

Twist and Shine: The Impact of Halogen Substitution on Thiele Hydrocarbon's Optical Properties

open access: yesAngewandte Chemie, EarlyView.
Halogenation in Thiele hydrocarbons strongly influences structure and excited‐state dynamics. Depending on substitution, “boat” folded forms show large Stokes shifts and strong solvatochromism, while planar “butterfly” derivatives exhibit near‐unity photoluminescence yields.
Angela Punzi   +11 more
wiley   +1 more source

50 Years of Giese Reaction – a Personal View

open access: yesAngewandte Chemie, EarlyView.
The Giese‐Reaction celebrates its 50. Birthday, it is a cyclic radical chain reaction centered around C,C‐bond formation in a three component synthesis. This minireview speaks about the birth of the name‐reaction, explains how the complete understanding of its reaction mechanism stimulates new methods in organic synthesis, and why it can proceed in ...
Martin Spichty   +4 more
wiley   +1 more source

Halogen bonding-based anion coordination in calixarene/inorganic halide/diiodoperfluorocarbon assemblies

open access: green, 2009
S. Biella   +8 more
openalex   +2 more sources

A Precisely Bromo‐Functionalized [9]Cycloparaphenylene as a Platform for Late‐Stage Multisite π‐Extension Toward Chiral Nanohoops

open access: yesAngewandte Chemie, EarlyView.
Precisely synthesized hexabrominated [9]cycloparaphenylene (CPP), accessed by a gold‐mediated method, enables efficient multisite post‐functionalization through cross‐coupling reactions. Late‐stage π‐extension on the CPP framework successfully affords armchair‐type chiral nanohoops exhibiting strong circularly polarized luminescence (|glum| = 0.100 ...
Naoya Kinoshita   +8 more
wiley   +1 more source

Predictive, Data‐Driven Design of Red‐Light Photoredox Catalysts for C─Heteroatom Bond Formation

open access: yesAngewandte Chemie, EarlyView.
From redox numbers to red light: Donor oxidation and core reduction potentials predict E0‐0 in cyanoarene dyes, guiding selection of an efficient red‐light catalyst, 4MeODPATPN (PC13). Under 620 nm light, PC13 facilitates Ni‐catalyzed C─heteroatom cross‐couplings (C─N, C─O, C─S) with high functional‐group tolerance and reduced hydrodehalogenation ...
Amir Gizatullin   +6 more
wiley   +1 more source

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