Results 101 to 110 of about 17,105 (265)

Salsolinol: an Unintelligible and Double-Faced Molecule—Lessons Learned from In Vivo and In Vitro Experiments [PDF]

, 2017
Salsolinol (1-methyl-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinoline) is a tetrahydroisoquinoline derivative whose presence in humans was first detected in the urine of Parkinsonian patients on l-DOPA (l-dihydroxyphenylalanine) medication.
Bugajski, Andrzej, Gil, Krzysztof, Kurnik-Łucka, Magdalena, Panula, Pertti   +3 more
core   +2 more sources

Chemical Constituents and Biological Activities of Oxandra (Annonaceae): A Review

Chemistry &Biodiversity, Volume 23, Issue 1, January 2026.
ABSTRACT Oxandra (Annonaceae) comprises 29 species distributed across South and Central America. Despite this diversity, the genus remains under‐investigated. This study presents the first comprehensive review of the chemical composition and biological activities of Oxandra species, utilizing databases such as SciFinder, ScienceDirect, PubMed, and ...
Rayssa Cota Lopes, Francisco Paiva Machado, Mateus de Freitas Brito, Thalisson Amorim de Souza, Lucas Silva Abreu   +4 more
wiley   +1 more source

TRANSFORMATION OF 2-BENZOYLAMINO-1-(?-NAPHTHYL)PROPAN-1-OL INTO 4-METHYL-1-PHENYL BENZO[f] ISOQUINOLINE RATHER THAN ITS 3-SUBSTITUTED ISOMER [PDF]

Journal of Sciences, Islamic Republic of Iran, 2001
The necessary conditions to transform hydroxyamide (1) and 2-oxazolines (2, 3) into 3- or 4-methyl benzo[f] isoquinolines (4, 5) has been established. The mechanism of these reactions has been proposed claiming the existence of the protonated 2-oxazoline
doaj  

Synthesis of Some Novel 11b-Substituted Pyrimido[6,1-a]-isoquinoline Derivatives

Molecules, 2004
A series of novel 11b-substituted 1,6,7,11b-tetrahydropyrimido[6,1-a]- isoquinoline-2,4-diones and 4-thioxo-1,3,4,6,7,11b-hexahydropyrimido[6,1-a]isoquinolin-2- ones were synthesized, utilizing two alternative strategies for ring closure of ...
Atanas P. Venkov, Iliyan I. Ivanov, Plamen A. Angelov   +2 more
doaj   +1 more source

Legally flawed, scientifically problematic, potentially harmful: The UK Psychoactive Substance Bill [PDF]

, 2015
This journal has often analysed legislation in the field of drug policy. Rarely has it discussed a proposed law that has such deep problems in its legal and scientific bases.
Alex Stevens, Bradley, EMCDDA, EMCDDA, EMCDDA, Fiona Measham, Grundmann, Halberstadt, Harry Sumnall, Home Office, Home Office, House of Commons Science and Technology Committee, Johansen, Linnell, MacCoun, Measham, Measham, Moore, ONS, PHE, Potier, Rudi Fortson, Seely, Serra, Shulgin, Stevens, Studerus, The New Psychoactive Substances Expert Panel, TNS Political & Social, Woelk, Zhang   +30 more
core   +1 more source

Sequential Carboborylation–Suzuki Coupling of α,β‐Unsaturated Tosylhydrazones: A Dual CC Bond‐Forming Strategy for Molecular Diversification

ChemistryEurope, Volume 4, Issue 1, January 2026.
Structural diversity can be generated from α,β‐unsaturated carbonyls via N‐tosylhydrazones through a one‐pot‐three‐component photochemically promoted carboborylation/allylic Suzuki sequence. The wide availability and scope regarding each of three reaction partners: carbonyls, alkylboronic acids, and aryl halides, and the functionalities available in ...
Álvaro Valdés‐Maqueda, Manuel Plaza, Carlos Valdés   +2 more
wiley   +1 more source

Performance, carcass characteristics, and health parameters of growing and finishing pigs fed with diets supplemented with isoquinoline alkaloids and essential oils

, 2022
Arthur de Sousa Massei, Cleandro Pazinato Dias, Marco Aurélio Callegari, Caio Abércio da Silva   +3 more
openalex   +2 more sources

Antiplasmodial ealapasamines A-C,'mixed' naphthylisoquinoline dimers from the Central African liana Ancistrocladus ealaensis [PDF]

, 2017
Three unusual heterodimeric naphthylisoquinoline alkaloids, named ealapasamines A-C (1-3), were isolated from the leaves of the tropical plant Ancistrocladus ealaensis J. Léonard.
Bringmann, Gerhard, Brun, Reto, Feineis, Doris, Kaiser, Marcel, Mudogo, Virima, Tshitenge, Dieudonné Tshitenge   +5 more
core   +1 more source

Mellitic Trianhydride Derived Crystalline and Amorphous Polyimide Networks Exhibit Structure Dependent Electrochemical Properties

ChemistryEurope, Volume 4, Issue 1, January 2026.
The reaction of mellitic trianhydride (MTA) with diaminoanthraquinone (ANQ) under different solvothermal conditions results in electroactive polyimides having mellitic triimide (MTI) and anthraquinone moieties having with crystalline (MTI–ANQ–covalent organic framework (COF)) and amorphous (MTI–ANQ–covalent‐organic network (CON)) networks.
Swamyappan Vijayakumar, Sophy Mariam Varghese, Samrat Ghosh, Nitin Prakash Lobo, Raghavan B. Rakhi, Ayyappanpillai Ajayaghosh   +5 more
wiley   +1 more source

Synthesis of New β-enaminones of Isoquinolines with 5,5-dimethyl-cyclohexanedione

Molbank, 2008
n ...
Stoyanka Nikolova, Iliyan Ivanov
doaj   +1 more source