Trifluoromethylated 4,5-Dihydro-1,2,4-triazin-6(1H)-ones via (3+3)-Annulation of Nitrile Imines with α-Amino Esters

A Kowalczyk, K Świątek, M Celeda, G Utecht-Jarzyńska… - Materials, 2023 - mdpi.com
The synthesis of two series of monocyclic and bicyclic trifluoromethylated 4, 5-dihydro-1, 2, 4-
triazin-6 (1 H)-one derivatives based on (3+ 3)-annulation of methyl esters derived from …

3 Ball-milling (mechanochemical) synthesis of bioactive heterocycles

D Margetić - Solvent-Free Synthesis: Bioactive Heterocycles, 2023 - degruyter.com
The first accounts on the solid-state synthesis of biologically or pharmaceutically active
heterocycles came from manual mortar and pestle reactions, which were recently reviewed …

Synthesis of allomaltol containing terarylenes with imidazole N-oxides bridge fragment

CV Milyutin, AN Komogortsev, BV Lichitsky… - Synthetic …, 2024 - Taylor & Francis
Method for the synthesis of previously unknown imidazole N-oxides bearing allomaltol unit
has been elaborated. The presented approach is based on multicomponent condensation of …

Synthesis of 3a, 4, 6a-triphenylimidazothiazoledione and 2-thioxo-3a, 6, 6a-triphenylimidazooxazolone in the reaction of 5-hydroxy-1, 4, 5-triphenyl-1H-imidazol-2 (5H …

VV Baranov, MM Antonova, SA Aksenova… - Russian Chemical …, 2024 - Springer
The study of the reaction of 5-hydroxy-1, 4, 5-triphenyl-1H-imidazol-2 (5H)-one with KSCN
and AcOH showed that it leads to the formation of 3a, 4, 6a-triphenyltetrahydro-2H-imidazo …

Seven-membered rings

BC Hawkins, AC Bissember, SM Wales… - Progress in Heterocyclic …, 2023 - Elsevier
Progress in the synthesis of seven-membered heterocycles bearing up to and including
three N, O, or S heteroatoms continues unabated. The application of classical ring …

Mechanochemical synthesis of organohalogen compounds: a synthetic chemist's view

GI Borodkin - Uspehi himii, 2023 - journals.rcsi.science
Data on the mechanochemical synthesis of halogen-containing organic compounds
published mainly over the past 10 years are summarized and critically analyzed. The …

Механохимический синтез галогенорганических соединений: взгляд синтетика

ГИ Бородкин - Успехи химии, 2023 - elibrary.ru
Обобщены литературные сведения по механохимическому синтезу
галогенсодержащих органических соединений, полученные преимущественно за …