A green one-pot three-component synthesis of tetrahydrobenzo [b] pyran and 3, 4-dihydropyrano [c] chromene derivatives using a Fe 3 O 4@ SiO 2–imid–PMA n …

M Esmaeilpour, J Javidi, F Dehghani, FN Dodeji - RSC Advances, 2015 - pubs.rsc.org
An efficient and environmentally benign procedure for the synthesis of tetrahydrobenzo [b]
pyran and 3, 4-dihydropyrano [c] chromene derivatives has been developed by a one-pot …

WELPSA: A natural catalyst of alkali and alkaline earth metals for the facile synthesis of tetrahydrobenzo[b]pyrans and pyrano[2,3‐d]pyrimidinones as inhibitors of …

AR Nesaragi, RR Kamble, SR Hoolageri… - Applied …, 2022 - Wiley Online Library
Since 2019, the infection of SARS‐CoV‐2 has been spreading worldwide and caused
potentially lethal health problems. In view of this, the present study explores the most …

A choline chloride-based deep eutectic solvent promoted three-component synthesis of tetrahydrobenzo [b] pyran and pyrano [2, 3-d] pyrimidinone (thione) derivatives

M Biglari, F Shirini, NO Mahmoodi… - Journal of Molecular …, 2020 - Elsevier
An efficient one-pot method for the synthesis of tetrahydrobenzo [b] pyran and pyrano [2, 3-d]
pyrimidinone (thione) derivatives through a three-component reaction between aldehydes …

Graphene oxide immobilized 2-morpholinoethanamine as a versatile acid–base catalyst for synthesis of some heterocyclic compounds and molecular docking study

L Amiri-Zirtol, TS Ahooie, E Riazimontazer… - Scientific Reports, 2023 - nature.com
In this study, a new heterogeneous catalyst was synthesized based on graphene oxide (GO)
as a natural material. On the surface of nanosheet graphene oxide, 2 …

Introduction of an efficient DABCO-based bis-dicationic ionic salt catalyst for the synthesis of arylidenemalononitrile, pyran and polyhydroquinoline derivatives

M Zabihzadeh, A Omidi, F Shirini, H Tajik… - Journal of Molecular …, 2020 - Elsevier
An affordable DABCO-based bis-dicationic ionic salt ([(DABCO) 2 C 3 H 5 OH]· 2Cl) was
utilized for the synthesis of arylidenemalononitrile, tetrahydrobenzo [b] pyran, pyrano [2, 3-d] …

Nano-SiO2/DBN: an efficacious and reusable catalyst for one-pot synthesis of tetrahydrobenzo[b]pyran derivatives

M Mehravar, BBF Mirjalili, E Babaei, A Bamoniri - BMC chemistry, 2021 - Springer
Background The nano-sized particles enhance the exposed surface area of the active part of
the catalyst, thereby increasing the contact between precursors and catalyst considerably. In …

Hydrophobic eutectic and hydrophilic melts of gabapentin-lactam & citric acid mixtures; green promoters for selective synthesis of xanthenes/benzo [b] pyrans and …

ZG Kohi, K Rad-Moghadam, ST Roudsari - Molecular Catalysis, 2023 - Elsevier
Gabapentin-lactam and citric acid form a glassy hydrophobic deep eutectic mixture. Certain
non-eutectic molar ratios of the two components are also low-melting mixtures and slight …

Applications of dimedone in the synthesis of heterocycles: An update

MM Heravi, V Zadsirjan, B Fattahi… - Current Organic …, 2016 - ingentaconnect.com
Dimedone (5, 5-dimethylcyclohexane-1, 3-dione) is an alicyclic diketone, occasionally
considered as building blocks in design and synthesis of a wide variety of heterocycles. The …

Facile one-pot synthesis of amidoalkyl naphthols and benzopyrans using magnetic nanoparticle-supported acidic ionic liquid as a highly efficient and reusable …

Q Zhang, YH Gao, SL Qin, HX Wei - Catalysts, 2017 - mdpi.com
An efficient and eco-friendly procedure for the synthesis of 1-amidoalkyl-2-naphthol and
tetrahydrobenzo [b] pyran derivatives has been developed through a one-pot three …

Ag3[PMo12O40]: An efficient and green catalyst for the synthesis of highly functionalized pyran‐annulated heterocycles via multicomponent reaction

M Tamimi, MM Heravi, M Mirzaei… - Applied …, 2019 - Wiley Online Library
A facile, efficient and eco‐friendly catalytic protocol was developed for the synthesis of
medicinally important pyran‐annulated heterocycles via multicomponent reaction (MCR) …