Results 91 to 100 of about 90,377 (200)

A novel recyclable hydrolyzed nanomagnetic copolymer catalyst for green, and one-pot synthesis of tetrahydrobenzo[b]pyrans. [PDF]

Sci Rep
Maleki B, Ashrafi SS, Kargar PG, Alipour A, Pahnavar Z, Ebrahimzadeh P.   +5 more
europepmc   +1 more source

Aryl glyoxal: a prime synthetic equivalent for multicomponent reactions in the designing of oxygen heterocycles.

RSC Adv, 2023
Sheikh AR, Arif A, Khan MM.
europepmc   +1 more source

Synthesis of Novel Diphenyl Ether-Based Bis-Heterocycles as Novel Hybrid Molecules via Michael and Other Cyclocondensation Reactions. [PDF]

ACS Omega
Salem ME, El-Gabry YA, Abdelhamid IA, Elwahy AHM, Zaki MEA, Diab HM.   +5 more
europepmc   +1 more source

Crystal structure and Hirshfeld surface analyses, inter-molecular inter-action energies and energy frameworks of methyl 6-amino-5-cyano-2-(2-meth-oxy-2-oxoeth-yl)-4-(4-nitro-phen-yl)-4<i>H</i>-pyran-3-carboxyl-ate. [PDF]

Acta Crystallogr E Crystallogr Commun
Naghiyev FN, Hökelek T, Khrustalev VN, Mamedov HM, Belay AN, Ashurov J, Mamedov IG.   +6 more
europepmc   +1 more source

Design of natural asphalt sulfamic acid (NA-NHSO₃H) as a scalable natural asphalt-derived heterogeneous Brønsted acid to catalyze multicomponent reactions meeting green chemistry goals. [PDF]

Heliyon
Abdolahi S, Soleiman-Beigi M.
europepmc   +1 more source

Switching <i>N</i>-Alkylation Regioselectivity of Trifluoromethylated Pyrazoles Guided by Functional Group Tuning. [PDF]

Int J Mol Sci
Edilova YO, Kudyakova YS, Osipova EA, Slepukhin PA, Burgart YV, Saloutin VI, Bazhin DN.   +6 more
europepmc   +1 more source

A Remarkable Selectivity Observed in Hetero-Diels-Alder Reactions of Levoglucosenone (LGO) with Thiochalcones: An Experimental and Computational Study. [PDF]

Molecules
Mlostoń G, Urbaniak K, Palusiak M, Würthwein EU, Reissig HU, Witczak ZJ.   +5 more
europepmc   +1 more source

Isolation, Identification, and Total Synthesis of Pyranoquinolinone Alkaloids from <i>Conchocarpus mastigophorus</i> Kallunki (Rutaceae). [PDF]

J Nat Prod
Santos AR, de Paula VF, de Miranda AS, Silva JG, Barbosa LCA.   +4 more
europepmc   +1 more source

Micelle-driven organic synthesis: an update on the synthesis of heterocycles and natural products in aqueous medium over the last decade. [PDF]

RSC Adv
Wani MM, Bhat BA.
europepmc   +1 more source

Chromatographic Profiling of Artisanal Chocolates: Volatile Composition and Methylxanthines as Markers of Cocoa Content. [PDF]

J Food Sci
Altissimo J, Cardoso I, Araújo BQ, Pereira AR, Almeida JVM, Santos NAD, Costa VC, Carneiro Lima MTWD.   +7 more
europepmc   +1 more source