Results 31 to 40 of about 4,292 (206)

New Catalytic Routes to Benzofused Seven-Membered Azaheterocycles [PDF]

open access: yes, 2021
Benzazepines, benzodiazepines and benzoxazepines compose a privileged family of natural products and pharmaceuticals. Their remarkable biological activity made them useful drugs to treat a large variety of issues.
Velasco Rubio, Álvaro
core  

SPION nanoparticles for delivery of dopaminergic isoquinoline and benzazepine derivatives

open access: yesBioorganic & Medicinal Chemistry, 2022
Superparamagnetic iron nanoparticles (SPIONs) have become one of the most useful colloidal systems in nanomedicine. We report here the preparation of new hybrid core@shell systems based on SPION nanoparticles coated with a SiO2 shell (SPION@SiO2) and functionalized with carboxyl groups (SPION@SiO2-COOH).
Lucena-Serrano, Cristina   +9 more
openaire   +5 more sources

Benzo‐fused Nitrogen Heterocycles by Asymmetric Ring Expansion and Stereochemically Retentive Re‐contraction of Cyclic Ureas

open access: yesAngewandte Chemie, Volume 136, Issue 12, March 18, 2024.
Asymmetric deprotonation of N‐benzyl urea derivatives of nitrogen heterocycles leads to enantioselective insertion of the benzylic substituent into an aromatic C−N bond. Treatment of the ring‐expanded products induces a stereospecific ring‐contraction that results in an overall asymmetric enantioselective one‐carbon enlargement of the heterocycle ...
Rajendra K. Mallick   +2 more
wiley   +2 more sources

In search of universalities in the dissociative photoionization of PANHs via isomerizations [PDF]

open access: yes, 2023
In search of the cause behind the similarities often seen in the fragmentation of PANHs, vacuum ultraviolet (VUV) photodissociation of two pairs of isomers quinoline-isoquinoline and 2-naphthylamine-3-methyl-quinoline are studied using the velocity map ...
Avaldi, Lorenzo   +11 more
core   +1 more source

A novel, tandem construction of C-N and C-C bonds: facile and one-pot transformation of the Baylis-Hillman adducts into 2-benzazepines [PDF]

open access: yes, 2004
A novel reaction involving tandem construction of C-N and C- C bonds via the simultaneous Ritter and Houben-Hoesch reactions on Baylis-Hillman adducts leading to a convenient, one-pot synthesis of 2-benzazepine derivatives is described.
Basavaiah, Deevi   +1 more
core   +1 more source

Conjugation of Organoruthenium(II) 3-(1H-Benzimidazol-2-yl)pyrazolo[3,4-b]pyridines and Indolo[3,2-d]benzazepines to Recombinant Human Serum Albumin: a Strategy To Enhance Cytotoxicity in Cancer Cells [PDF]

open access: yes, 2011
Five organoruthenium complexes [RuCl(η6-arene)(L)]Cl with a modified arene ligand, namely, 4-formylphenoxyacetyl-η6-benzylamide, and L = 3-(1H-benzimidazol-2-yl)-1H-pyrazolo[3,4-b]pyridines or indolo[3,2-d]benzazepines were synthesized and conjugated to ...
Ang W. H.   +43 more
core   +2 more sources

Comparative study of dopaminergic activity of tetrahydro-1H-[3]-benzazepines and their precursors [PDF]

open access: yes, 2016
The discovery of the tetrahydro-1H-[3]-benzazepine SCH23390 [1], represented one of the most important advances in the study of dopaminergic receptors due to their behavior as a selective D1 receptor antagonist.
Contreras-Cáceres, Rafael   +5 more
core  

Rh(III)‐Catalyzed [5+1] Oxidative Cycloaddition of Arylguanidines with Alkynes: A Novel Access to C4‐Disubstituted 1,4‐ Dihydroquinazolin‐2‐amines [PDF]

open access: yes, 2015
NOTICE: This is the peer reviewed version of the following article: Cajaraville, A., Suárez, J., López, S., Varela. J. A., Saá, C. (2015). Rh(III)‐Catalyzed [5+1] Oxidative Cycloaddition of Arylguanidines with Alkynes: A Novel Access to C4‐Disubstituted ...
Cajaraville Leiro, Ana   +4 more
core   +1 more source

Recent Total Syntheses of Cephalotaxine‐Type Alkaloids and Their Structural Diversification (2021–2024): An Update

open access: yesAsian Journal of Organic Chemistry, Volume 14, Issue 3, March 2025.
This review presents an analysis of ten recent total syntheses of cephalotaxine‐type alkaloids published between 2021 and 2024. The structural diversification strategies developed during this period are described. Additionally, a new structural classification system for this alkaloid class is proposed.
Yeju Oh, Anagha Reneesh, Hongjun Jeon
wiley   +1 more source

Synthesis and study of biological activity of tetrahydro-1H-[3]-benzazepines [PDF]

open access: yes, 2017
The 3-Benzazepines are an important class of compounds in drug discovery due to their biological activity such as analgesic, antihypertensive or anticancer properties as well as dopaminergic or antidopaminergic activity. In particular, the tetrahydro-1H-[
Díaz, Amelia   +4 more
core  

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