Results 11 to 20 of about 40,506 (345)

Über γ‐substituierte Piperidine [PDF]

Berichte der deutschen chemischen Gesellschaft, 1915
n ...
Koenigs, Ernst, Neumann, Ludwig
openaire   +4 more sources

Synthesis of piperidines and pyridine from furfural over a surface single-atom alloy Ru1CoNP catalyst

Nature Communications, 2023
The sustainable production of value-added N-heterocycles from available biomass allows to reduce the reliance on fossil resources and creates possibilities for economically and ecologically improved synthesis of fine and bulk chemicals.
Haifeng Qi, Yurou Li, Zhitong Zhou, Yueqiang Cao, Fei Liu, Weixiang Guan, Leilei Zhang, Xiaoyan Liu, Lin Li, Yang Su, Kathrin Junge, Xuezhi Duan, Matthias Beller, Aiqin Wang, Tao Zhang   +14 more
doaj   +2 more sources

SOME COMPOUNDS OF PIPERIDINE WITH HALIDES. [PDF]

Journal of the American Chemical Society, 1921
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Clifford S. Leonard
openaire   +3 more sources

Experimental study of the pharmacological activity of new azaheterocycles derivatives: A literature review [PDF]

Ķazaķstannyṇ Klinikalyķ Medicinasy, 2022
Diseases associated with the pathology of the cardiovascular system are one of the key causes of death all over the world. In particular, arrhythmia may entail the most severe complications, including unexpected death.
Malika Khaiitova, Aida Seitaliyeva, Elmira Satbayeva, Daniya Serdalieva, Talgat Nurgozhin   +4 more
doaj   +1 more source

CeO2/CuO@N-GQDs@NH2 nanocomposite as a reusable and efficient catalyst for the synthesis of piperidines [PDF]

Nanochemistry Research, 2020
An efficient pseudo six-component synthesis of bis-spiropiperidinesis presented by one-pot condensation of formaldehyde, aromatic amine and dimedone or N,N-dimethyl-barbituric acid using CeO2/CuO@N-GQDs@NH2 nanocomposite at room temperature. The catalyst
Hossein Shahbazi-Alavi, Javad Safaei-Ghomi, Mozhgan Esfandiari   +2 more
doaj   +1 more source

Synthesis and Characterization of Novel Methyl (3)5-(N-Boc-piperidinyl)-1H-pyrazole-4-carboxylates

Molecules, 2021
Series of methyl 3- and 5-(N-Boc-piperidinyl)-1H-pyrazole-4-carboxylates were developed and regioselectively synthesized as novel heterocyclic amino acids in their N-Boc protected ester form for achiral and chiral building blocks.
Gita Matulevičiūtė, Eglė Arbačiauskienė, Neringa Kleizienė, Vilija Kederienė, Greta Ragaitė, Miglė Dagilienė, Aurimas Bieliauskas, Vaida Milišiūnaitė, Frank A. Sløk, Algirdas Šačkus   +9 more
doaj   +1 more source

Synthesis of Stereoenriched Piperidines via Chemo-Enzymatic Dearomatization of Activated Pyridines

Journal of the American Chemical Society, 2021
The development of efficient and sustainable methods for the synthesis of nitrogen heterocycles is an important goal for the chemical industry. In particular, substituted chiral piperidines are prominent targets due to their prevalence in medicinally ...
Vanessa Harawa, T. Thorpe, J. Marshall, Jack J. Sangster, A. Gilio, L. Pirvu, Rachel S. Heath, Antonio Angelastro, J. Finnigan, S. Charnock, Jordan Nafie, G. Grogan, R. Whitehead, N. Turner   +13 more
semanticscholar   +1 more source

One-Pot Route from Halogenated Amides to Piperidines and Pyrrolidines

Molecules, 2022
Piperidine and pyrrolidine derivatives are important nitrogen heterocyclic structures with a wide range of biological activities. However, reported methods for their construction often face problems of requiring the use of expensive metal catalysts ...
Qiao Song, Sheng Wang, Xiangui Lei, Yan Liu, Xin Wen, Zhouyu Wang   +5 more
doaj   +1 more source

Exploration of Spirocyclic Derivatives of Ciprofloxacin as Antibacterial Agents

Molecules, 2022
The previously reported as well as newly synthesized derivatives of the 1-oxa-9-azaspiro[5.5]undecane were employed in the synthesis of thirty-six derivatives of ciprofloxacin using commercially available 7-chloro-1-cyclopropyl-6-fluoro-4-oxo-1,4 ...
Alexei Lukin, Mikhail Chudinov, Tatiana Vedekhina, Elizaveta Rogacheva, Lyudmila Kraeva, Olga Bakulina, Mikhail Krasavin   +6 more
doaj   +1 more source

Highly Diastereoselective Functionalization of Piperidines by Photoredox Catalyzed α-Amino C-H Arylation and Epimerization.

Journal of the American Chemical Society, 2020
We report a photoredox catalyzed α-amino C-H arylation reaction of highly substituted piperidine derivatives with electron deficient cyano(hetero)arenes.
Morgan M. Walker, Brian Koronkiewicz, Shuming Chen, K. N. Houk, J. Mayer, J. Ellman   +5 more
semanticscholar   +1 more source