176387-54-5Relevant articles and documents
Synthesis of poly-functionalized pyrazoles under Vilsmeier-Haack reaction conditions
Popov, Aleksandr V.,Kobelevskaya, Valentina A.,Larina, Ludmila I.,Rozentsveig, Igor B.
, p. 1 - 14 (2019/11/11)
Synthesis of 1,3-disubstituted 5-chloro-1H-pyrazole-4-carbaldehydes was achieved by formylation of the corresponding 5-chloro-1H-pyrazoles under Vilsmeier-Haack conditions.
Synthesis of some novel pyrazolopyridooxazine, pyrazoloquinolizines, pyrazoloindolizine and pyrazolopyranopyrimidinone derivatives
Al-Tilasi, Hissah H.,El-Baih, Fatma E.M.
, p. 3896 - 3902 (2014/08/05)
Different pyrazolone derivatives were prepared as starting materials for the synthesis of pyrazolopyridooxazine, pyrazoloquinolizines, pyrazoloindolizine, 1,4-oxazinopyrazolines and pyrazolopyranopyrimidinone derivatives via reactions with different reagents applying the one pot multicomponent reaction using microwave and ultrasound irradiation in some cases.