Acetophenone is an interesting synthon in the most organic reactions. Acetophenone has
been utilized in the synthesis of many heterocyclic compounds. Acetophenone and most of …

3-Formylchromones are known as key heterocyclic scaffolds for the synthesis of various
important organic compounds. The compounds with 3-formylchromone have attracted much …

A variety of 1, 2, 4-benzotriazines and benzotriazoles are conveniently and divergently
synthesized via novel metal-free cascade reactions of 1-trifluoromethyl benzotriazoles with …

Lithio-3-tert-butylpyrazolo [5, 1-c][1, 2, 4] triazines have been generated for the first time
using one-pot nucleophilic addition and metal-halogen exchange reactions in 7 …

1, 7, 8‐Polymetalated 3‐tert‐butyl‐8‐R‐4‐oxo‐4H‐pyrazolo [5, 1‐c][1, 2, 4] triazines (M= Li,
Na; R= CO2Et, CN, H, D, and Li) have been generated for the first time using acidic NH …

tert-Butyl-4-R-1-R1-1, 4-dihydropyrazolo [5, 1-c][1, 2, 4] triazin-4-yl) lithiums (R= SEt, OMe,
OEt; R1= CF3CO, CF2ClCO, CF3CF2CF2CO, t-BuOCO, PhCH2) have been generated for …

Unstable under normal conditions sodium and lithium 3-tert-butyl-8-lithio-7-R-4-oxopyrazolo
[5, 1-c][1, 2, 4] triazin-1-ides were generated for the first time by the reaction of 8-bromo-7-R …

The literature of heterocyclic chemistry, part XVIII, 2018 - ScienceDirect Skip to main contentSkip
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Abstract Reactivity of 7-R-3-tert-butyl-4-oxo-4, 6-dihydropyrazolo [5, 1-c][1, 2, 4] triazine-8-
carboxylic acids (R= NH 2, N 3, H) and products of their decarboxylation towards different …

Взаимодействием 8-бром-7-R-3-трет-бутил-4-оксопиразоло [5, 1-с][1, 2, 4] триазинов
(R= H, NHCOCF 3) с Bu n Li в среде ТГФ и диапазоне температур-97÷-84 С впервые …