Results 201 to 210 of about 17,768 (339)

A Novel Reductive Amino Cyclization Method and Its Application for the Syntheses of Pyrrolidine and Piperidine Nucleus

open access: gold, 1986
Masanori Somei   +4 more
openalex   +1 more source

Recent Developments for the Ring Opening of Pyrrolidines and Unstrained Cyclic Amines via C−N Bond Cleavage

open access: yesEuropean Journal of Organic Chemistry, EarlyView.
This review highlights recent advancements in the deconstructive transformation of unstrained cyclic amines, with a particular focus on the C−N bond cleavage of pyrrolidines. Various methodologies, including von Braun‐type, oxidative, and reductive approaches, facilitate the synthesis of diverse amines and the expansion of chemical space.
Eisuke Ota, Junichiro Yamaguchi
wiley   +1 more source

Recent Advances in the α‐Hydrazination (α‐Amination) of Carbonyl Compounds

open access: yesEuropean Journal of Organic Chemistry, EarlyView.
In recent years, notable progress has been achieved in the α‐hydrazination (α‐amination) of carbonyl compounds, especially in the direct asymmetric electrophilic α‐hydrazination with dialkyl azodicarboxylates. This review summarizes all the methods that appeared over the past decade, categorized based on the type of the reactive chiral intermediate ...
Dina Scarpi   +2 more
wiley   +1 more source

Tandem Reductive Amination and Michael Addition. Synthesis of Optically Active Pyrrolidine Nucleus

open access: gold, 1986
Seiki Saitô   +4 more
openalex   +1 more source

Benzochalcogenodiazoles, synthesis and applications in medicinal chemistry and photomedicine.

open access: yesEuropean Journal of Organic Chemistry, Accepted Article.
Benzochalcogenodiazoles BXDs (BOD: benzoxadiazole, BTD: benzothiadiazole, or BSD: benzoselenadiazole) are aromatic bicyclic compounds, containing chalcogen atoms, with applications ranging from material to medicinal chemistry. The recent developments in their preparation and functionalization are taking advantage of new methodologies such as C‐H ...
Jean-Elie Zheng   +2 more
wiley   +1 more source

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