Studies on paraionic compounds. Anhydro-1-hydroxy-3-oxopyrazolo[1,2-a]pyrazolium hydroxides. Formation and stability of a novel series of 4n.pi. heterocyclic betaines
Studies on paraionic compounds. Anhydro-1-hydroxy-3-oxopyrazolo[1,2-a]pyrazolium hydroxides. Formation and stability of a novel series of 4n.pi. heterocyclic betaines
Synthesis of 2,6-Diaryl-1(3)-oxo-3(1)-hydroxy-5(7)-imino-7(5)-amino-1<i>H</i>,5<i>H</i>(3<i>H</i>,7<i>H</i>)-pyrazolo[1,2-<i>a</i>]pyrazoles
作者:Gury Zvilichovsky、Mordechai David
DOI:10.1055/s-1986-31631
日期:——
Reaction of 4-aryl-3,5-dihydroxypyrazoles with α-arylmalononitriles led to a series of 2,6-diaryl derivatives of 1(3)-oxo-3(1)-hydroxy-5(7)-imino-7(5)-amino- 1H5H(3H,7H)-pyrazolo[1,2-a]pyrazole. Spectral results and tautomerism of these new products are also discussed.
ZVILICHOVSKY, G.;DAVID, M., J. ORG. CHEM., 1982, 47, N 2, 295-300
作者:ZVILICHOVSKY, G.、DAVID, M.
DOI:——
日期:——
ZVILICHOVSKY, G.;DAVID, M., SYNTHESIS, BRD, 1986, N 3, 239-240
作者:ZVILICHOVSKY, G.、DAVID, M.
DOI:——
日期:——
Studies on paraionic compounds. Anhydro-1-hydroxy-3-oxopyrazolo[1,2-a]pyrazolium hydroxides. Formation and stability of a novel series of 4n.pi. heterocyclic betaines