Results 261 to 270 of about 47,089 (385)

Synthetic Study on the Piperidine Alkaloids

open access: gold, 1979
Mitsutaka Natsume, Masashi Ogawa
openalex   +1 more source

A Robust Nanocatalyst Incorporating Multi‐Walled Carbon Nanotubes Infused with Magnetic Nanoparticles and Biguanide–Silver Nanoparticles for Multicomponent Synthesis of Benzopyrano‐Pyrimidines

open access: yesChemistryOpen, EarlyView.
A highly efficient and environmentally friendly synthetic method has been developed for the preparation of benzopyrano‐pyrimidines using MWCNTs/MNPs‐Biguanide‐Ag NPs as a heterogeneous nanocatalyst in choline chloride–urea (ChCl–Urea) deep eutectic solvent.
Anwer Ali Mueen   +7 more
wiley   +1 more source

The Copolymerization Performance of 2‐Cyclopropyl‐2‐Oxazoline and 2‐Cyclopropyl‐2‐Oxazine Contributes to Tunable Temperature‐Responsive (Co)Polymer Characteristics

open access: yesJournal of Polymer Science, EarlyView.
Using the cationic ring‐opening polymerization method: homopolymers and heteropolymers with tailored temperature response are generated from 2‐cyclopropyl‐2‐oxazoline and 2‐cyclopropyl‐2‐oxazine. The strategy allows for maintaining the same side chains and addressing the influence of the ring size of the cyclic imino ether regarding its kinetics and ...
Katja P. Schumann   +2 more
wiley   +1 more source

A natural barrier: tick‐repellent potential of a spruce‐derived volatile blend against Hyalomma excavatum and Ixodes ricinus

open access: yesPest Management Science, EarlyView.
Both active and passive questing ticks, Hyalomma excavatum and Ixodes ricinus, were assessed for behavioural responses to two novel plant‐derived repellent volatile organic compound blends. Both tick species were repelled by the products, and both novo blends were significantly more repellent than currently available commercial products.
Martyn J. Wood   +5 more
wiley   +1 more source

A new chiral heterocyclic 1,1-enediamine as a precursor to piperidines

open access: yesARKIVOC, 2003
Raymond C. F. Jones, Simon C. Hirst
doaj   +1 more source

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