Coumarin heterocyclic derivatives: chemical synthesis and biological activity

FG Medina, JG Marrero, M Macías-Alonso… - Natural product …, 2015 - pubs.rsc.org
Coumarin heterocyclic derivatives: chemical synthesis and biological activity - Natural Product
Reports (RSC Publishing) DOI:10.1039/C4NP00162A Royal Society of Chemistry View PDF …

New page to access pyrazines and their ring fused analogues: Synthesis from N-propargylamines

E Vessally, A Hosseinian, L Edjlali… - Current Organic …, 2017 - ingentaconnect.com
The development of efficient routes to pyrazines and their ring fused analogues is an
attractive area of research since these compounds are now widely recognized as important …

Story of an age-old reagent: an electrophilic chlorination of arenes and heterocycles by 1-chloro-1, 2-benziodoxol-3-one

M Wang, Y Zhang, T Wang, C Wang, D Xue… - Organic letters, 2016 - ACS Publications
By the use of 1-chloro-1, 2-benziodoxol-3-one, an age-old reagent, the practical and efficient
chlorination method is achieved. This hypervalent iodine reagent is amenable not only to the …

Intramolecular Heterocyclization of O-Propargylated Aromatic Hydroxyaldehydes as an Expedient Route to Substituted Chromenopyridines under Metal-Free …

S Keskin, M Balci - Organic letters, 2015 - ACS Publications
A concise and regioselective approach to the synthesis of chromenopyridine and
chromenopyridinone derivatives was developed. The synthetic strategy relies on the O …

Synthesis of polysubstituted pyridines via a one-pot metal-free strategy

H Wei, Y Li, K Xiao, B Cheng, H Wang, L Hu… - Organic letters, 2015 - ACS Publications
An efficient strategy for the one-pot synthesis of polysubstituted pyridines via a cascade
reaction from aldehydes, phosphorus ylides, and propargyl azide is reported. The reaction …

Gold-catalyzed oxime–oxime rearrangement

S Guven, MS Ozer, S Kaya, N Menges, M Balci - Organic letters, 2015 - ACS Publications
The gold-catalyzed reaction of pyrrole and indole oximes having a propargyl group attached
to the nitrogen atom was studied. The selective 6-endo-dig mode of cyclization was …

AlCl3-Catalyzed Cascade Reactions of 1,2,3-Trimethoxybenzene and Adipoyl Chloride: Spectroscopic Investigations and Density Functional Theory Studies

Y Çetinkaya, T Artunç, A Menzek - ACS omega, 2022 - ACS Publications
The reaction of 1, 2, 3-trimethoxybenzene with adipoyl chloride in the presence of AlCl3
gave two isomeric cyclopentene derivatives, 1, 6-bis (2, 3, 4-trimethoxyphenyl) hexane-1, 6 …

[HTML][HTML] Gold-catalyzed formation of pyrrolo-and indolo-oxazin-1-one derivatives: The key structure of some marine natural products

S Taskaya, N Menges, M Balci - Beilstein Journal of Organic …, 2015 - beilstein-journals.org
Various N-propargylpyrrole and indolecarboxylic acids were efficiently converted into 3, 4-
dihydropyrrolo-and indolo-oxazin-1-one derivatives by a gold (III)-catalyzed cyclization …

A Review of the Synthetic Strategies toward Dihydropyrrolo[1,2-a]Pyrazinones

P Winant, T Horsten, SM Gil de Melo, F Emery… - Organics, 2021 - mdpi.com
Dihydropyrrolo [1, 2-a] pyrazinone rings are a class of heterocycles present in a wide range
of bioactive natural products and analogues thereof. As a direct result of their bioactivity, the …

[HTML][HTML] Nucleophilic and electrophilic cyclization of N-alkyne-substituted pyrrole derivatives: Synthesis of pyrrolopyrazinone, pyrrolotriazinone, and pyrrolooxazinone …

I Yenice, S Basceken, M Balci - Beilstein Journal of Organic …, 2017 - beilstein-journals.org
Intramolecular nucleophilic and electrophilic cyclization of N-alkyne-substituted pyrrole
esters is described. Efficient routes towards the synthesis of pyrrolopyrazinone …