Results 311 to 320 of about 538,570 (408)

Kinetically Enhanced Access to a Dynamic Polyester Platform via Sequence Selective Terpolymerisation of Elemental Sulphur

open access: yesAngewandte Chemie, EarlyView.
A rare sequence‐selective terpolymerisation of elemental sulphur, aromatic thioanhydrides, and epoxides yields dynamic poly(ester‐alt‐Sx) polymers. Mechanistic insights reveal a lithium‐catalysed rate enhancement via ester coordination. The resulting polymers are thermally stable, backbone‐editable, and processable into degradable adhesives.
Cesare Gallizioli   +2 more
wiley   +1 more source

Construction of planar chiral [2,2]paracyclophanes via photoinduced cobalt-catalyzed desymmetric addition. [PDF]

open access: yesNat Commun
Liu SQ   +9 more
europepmc   +1 more source

Photoredox Catalysts Based on N‐(Hexyl)benzothioxanthene‐3,4‐dicarboximide for Photopolymerization and 3D Printing Under Visible Light

open access: yesAngewandte Chemie, EarlyView.
In this work, two benzothioxanthene imide dyes demonstrate excellent photochemical properties. When used as photocatalysts, they work with amine and iodonium salt or sulfonium salt to form different three‐component systems for effectively initiating photopolymerization under visible light, through photoredox catalysis processes.
Bin Song   +10 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

Continuous Flow Synthesis of Nitrofuran Pharmaceuticals Using Acetyl Nitrate

open access: yesAngewandte Chemie, EarlyView.
A robust, automated continuous flow system enables safe, high‐yield nitration of furfural to key nitrofuran intermediates using in situ acetyl nitrate generation. Demonstrated on representative essential World Health Organization (WHO) active pharmaceutical ingredients (API), this innovative open‐source platform ensures rapid synthesis, enhanced safety,
Hubert Hellwig   +8 more
wiley   +1 more source

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