Results 251 to 260 of about 408,472 (346)

Copper‐Catalyzed Three‐Component Selective 1,4‐Amino Oxygenation of 1,3‐Dienes

open access: yesAngewandte Chemie, EarlyView.
Enclosed is a copper‐catalyzed selective 1,4‐amino oxgenation of 1,3‐dienes with the presence of a strong Brønsted acid. This three‐component transformation offers a novel and powerful approach to construct (E)‐1,4‐allylic amino oxygenated motifs by the simultaneous installation of structurally diverse alkylamines and alcohols directly onto 1,3‐dienes.
Guangshou Feng   +2 more
wiley   +1 more source

Propellane-free access to bicyclo[1.1.1]pentanes. [PDF]

open access: yesNat Commun
Liu C   +5 more
europepmc   +1 more source

Nature-Mimicking 3-Aryl-2h-Chromene Derivatives as Potential Bone Anabolic Agents

open access: green
Sonu Khanka   +9 more
openalex   +1 more source

Host‐Guest Doping Enables Room Temperature Phosphorescence from Triarylboranes

open access: yesAngewandte Chemie, EarlyView.
While pure triarylboranes show RTP in annealed PMMA films, they do not in crystalline form, contrary to our previous report. However, crystalline host‐guest triarylborane systems show persistent afterglow up to 8 s even at 1 ppb guest loading. Computations identify triplet‐triplet energy transfer as the mechanism governing this efficient RTP.
Zhu Wu   +4 more
wiley   +1 more source

Nickel(II) Catalyzed Atroposelective Aerobic Oxidative Aryl–Aryl Cross-Coupling

open access: yesACS Central Science
Ya-Nan Li   +6 more
doaj   +1 more source

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

Deciphering Asymmetric Induction in Photoredox Catalysis by Chiral Counteranions. [PDF]

open access: yesACS Catal
Baldinelli L   +5 more
europepmc   +1 more source

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