Ritter Reaction J. J. Ritter, P. P. Minieri, J. Am. Chem. Soc. 70, 4045 (1948); J. J. Ritter, J. Kalish, ibid. 4048. Synthesis of amides from nitriles a

Riley Oxidations ( Dioxide Oxidation) H. L. Riley et al., J. Chem. Soc. 1932, 1875. Oxidations of organic compounds with selenium dioxide; e.g., the oxi

Riemschneider Thiocarbamate Synthesis R. Riemschneider, F. Wojahn, Pharmazie 4, 460 (1949); Chim. Ind. (Paris) 64, 99 (1950); Pharm. Zentralhalle 89, 118 (1950).

Riehm Synthesis P. Riehm et al., Ber. 18, 2245 (1885); 19, 1394 (1886); idem, Ann. 238, 9 (1887). Formation of quinoline derivatives by prolonged heati

Reverdin Reaction F. Reverdin, Ber. 29, 997, 2595 (1896). Migration of iodine during nitration of iodophenolic ethers:

Retropinacol Rearrangement N. Zelinsky, J. Zelikow, Ber. 34, 3249 (1901). Conversion of an alcohol to the rearranged olefin on treatment with acid:

Retro-Diels-Alder Reaction Thermal dissociation of Diels-Alder adducts, occurring most readily when one or both fragments are particularly stable:

Reppe Chemistry The term designates that phase of chemistry involving the use of acetylene at high pressures in the presence of suitable catalysts to carry out the fundam

Reissert Synthesis A. Reissert, Ber. 30, 1030 (1897). Condensation of an o-nitrotoluene with oxalic ester, reduction to the amine, and cyclization to t

Reimer-Tiemann Reaction K. Reimer, F. Tiemann, Ber. 9, 824, 1268, 1285 (1876). Formation of phenolic aldehydes from phenols, chloroform and alkali:

Reformatsky (Reformatskii) Reaction S. Reformatskii, Ber. 20, 1210 (1887); J. Russ. Phys. Chem. Soc. 22, 44 (1890). Condensation of aldehydes or ketones

Reed Reaction C. F. Reed, US 2046090 (1933); US 2174110 (1934); US 2174492 (1938). Photochemical sulfonation of paraffins and cycloparaffins by sulfur d

Raschig Process F. Raschig, FR 698341 (1930), C.A. 25, 3012 (1931). Commercial process for the production of phenol by the hydrolysis of chlorobenzene,

Quelet Reaction R. Quelet, Compt. Rend. 195, 155 (1932). Passage of dry hydrochloric acid through a solution in ligroin of a phenolic ether and an aliph

Pummerer Rearrangement R. Pummerer, Ber. 43, 1401 (1910). Rearrangement of sulfoxides to α-acyloxythioethers in the presence of acyclic anhydrides

Pschorr Reaction R. Pschorr, Ber. 29, 496 (1896). Synthesis of phenanthrene derivatives from diazotized α-aryl-o-aminocinnamic acids by intramolec

Prins Reaction H. J. Prins, Chem. Weekblad 16, 64, 1072, 1510 (1919), C.A. 13, 3155 (1919). Acid-catalyzed addition of olefins to formaldehyde to give 1

Prilezhaev (Prileschajew) Reaction N. Prilezhaev, Ber. 42, 4811 (1909). Formation of epoxides by the reaction of alkenes with peracids:

Prévost Reaction C. Prévost, Compt. Rend. 196, 1129 (1933), C.A. 27, 3195 (1933). Hydroxylation of olefins with iodine and silver benzoate

Ponzio Reaction G. Ponzio, Gazz. Chim. Ital. 27, I, 171 (1897). Formation of dinitrophenylmethanes from benzaldoximes by oxidation with nitrogen dioxide