Polonovski Reaction; Potier-Polonovski Reaction
M. Polonovski, M. Polonovski, Bull. Soc. Chim. France 41, 1190 (1927).
Rearrangement of tertiary amine o
Piria Reaction
R. Piria, Ann. 78, 31 (1851).
Formation of arylsulfamic acids or sulfonation products or both by refluxing aromatic nitro compounds with
Pinner Triazine Synthesis
A. Pinner, Ber. 23, 2919 (1890).
Preparation of 2-hydroxy-4,6-diaryl-s-triazines by reaction of aryl amidines and phosgene. Th
Coupling Reaction
R. Fittig, Ann. 110, 17 (1859).
Formation of pinacols by a reductive radical-radical coupling of carbonyl compounds, especially keton
Piloty-Robinson Synthesis
O. Piloty, Ber. 43, 489 (1910); G. M. Robinson, R. Robinson, J. Chem. Soc. 43, 639 (1918).
Formation of pyrroles by heating az
Pfitzinger Reaction
W. Pfitzinger, J. Prakt. Chem. [2] 33, 100 (1886); 38, 582 (1888).
Formation of -4-carboxylic acids by condensation of isatic acids
Pellizzari Reaction
G. Pellizzari, Gazz. Chim. Ital. 41, II, 20 (1911).
Formation of substituted 1,2,4-triazoles by the condensation of amides and acyl
Pechmann Synthesis
H. v. Pechmann, Ber. 31, 2950 (1898).
Formation of pyrazoles from acetylenes and diazomethane. The analogous addition of diazoacetic
Parham Cyclization
W. E. Parham et al., J. Org. Chem. 40, 2394 (1975).
Four- to seven-membered ring annulation of aryl bromides bearing ortho side chain
Overman Rearrangement
L. E. Overman, J. Am. Chem. Soc. 96, 597 (1974); 98, 2901 (1976).
Formal [3,3]-sigmatropic rearrangement of the trichloroacetimida