Results 201 to 209 of about 42,319 (209)

Pyrazoles VII: nitration of 1,4-disubstituted pyrazoles

Tetrahedron Letters, 1970
Pauline Cohen-Fernandes, Clarisse L. Habraken, K.C. van Erk, S. Balian   +3 more
openaire   +2 more sources

Structure of pyrazole

The Journal of Physical Chemistry, 1967
Curt W. Reimann, Alan D. Mighell
openaire   +2 more sources

Thermal rearrangements of 3H-pyrazoles, 4H-pyrazoles, and cyclopentadienes

1992
3H-Pyrazoles generally undergo thermal rearrangement by concerted [1,5]-sigmatropic migrations. It has been discovered that 3H-pyrazoles 111a-e undergo thermal rearrangement by an alterative mechanism. A stepwise, ion-pair, mechanism operates in these rearrangements, in benzene/toluene, chloroform, and methanol solvents.
openaire   +1 more source

Pyrazole derivatives of boron

Chemischer Informationsdienst, 1985
Swiatoslaw Trofimenko, Kurt Niedenzu
openaire   +3 more sources

Researches on pyrazoles [PDF]

Chemistry of Heterocyclic Compounds, 1966
N. I. Bobrova, I. I. Grandberg
openaire   +1 more source

Pyrazoles

1996
openaire   +2 more sources

Kinetics and Mechanism of Iodination of Pyrazole. Comparative Reactivities of Pyrazole and Imidazole

Journal of the American Chemical Society, 1964
Virginia L. Vaughan, Don G. Lambert, John D. Vaughan   +2 more
openaire   +2 more sources

Chloromethylation of pyrazole ring

Russian Journal of General Chemistry, 2015
A. A. Saakyan, A. G. Hasratyan, V. I. Rstakyan, H. S. Attaryan   +3 more
openaire   +2 more sources

Pechmann pyrazole synthesis [PDF]

, 2002
openaire   +1 more source