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  • Ruzicka Large Ring Synthesis
  • Ruzicka Large Ring Synthesis L. Ruzicka et al., Helv. Chim. Acta 9, 249, 339, 389, 499 (1926). Formation of large ring alicyclic ketones from dicarboxyl
  • Rubottom Oxidation
  • Rubottom Oxidation A. G. Brook, D. M. Macrae, J. Organometal. Chem. 77, C19 (1974); A. Hassner et al., J. Org. Chem. 40, 3427 (1975); G. M. Rubottom et al., Tetrahedron Le
  • Rothemund Reaction
  • Rothemund Reaction P. Rothemund, J. Am. Chem. Soc. 57, 2010 (1935); 61, 2912 (1939). Preparation of meso-tetrasubstituted porphyrins by condensation of
  • Rosenmund-von Braun Synthesis
  • Rosenmund-von Braun Synthesis K. W. Rosenmund, E. Struck, Ber. 52, 1749 (1916); J. von Braun, G. Manz, Ann. 488, 111 (1931). Conversion of aryl halides
  • Rosenmund Reduction
  • Rosenmund Reduction K. W. Rosenmund, Ber. 51, 585 (1918); K. W. Rosenmund, F. Zetzsche, ibid. 54, 425 (1921). Catalytic reduction of acid chlorides to a
  • Robinson-Schöpf Reaction
  • Robinson-Schöpf Reaction R. Robinson, J. Chem. Soc. 111, 762, 876 (1917); C. Schöpf, Angew. Chem. 50, 779, 797 (1937). Synthesis of tropinones
  • Robinson Annulation
  • Robinson Annulation W. S. Rapson, R. Robinson, J. Chem. Soc. 1935, 1285. Formation of six-membered ring α,β-unsaturated ketones by the additi
  • Ritter Reaction
  • 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
  • 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
  • Riemschneider Thiocarbamate Synthesis R. Riemschneider, F. Wojahn, Pharmazie 4, 460 (1949); Chim. Ind. (Paris) 64, 99 (1950); Pharm. Zentralhalle 89, 118 (1950).
  • Riehm Quinoline Synthesis
  • 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
  • Reverdin Reaction F. Reverdin, Ber. 29, 997, 2595 (1896). Migration of iodine during nitration of iodophenolic ethers:
  • Retropinacol Rearrangement
  • 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
  • Retro-Diels-Alder Reaction Thermal dissociation of Diels-Alder adducts, occurring most readily when one or both fragments are particularly stable:
  • Reppe Chemistry
  • 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 Indole Synthesis
  • 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
  • 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
  • Reformatsky (Reformatskii) Reaction S. Reformatskii, Ber. 20, 1210 (1887); J. Russ. Phys. Chem. Soc. 22, 44 (1890). Condensation of aldehydes or ketones
  • Reed Reaction
  • Reed Reaction C. F. Reed, US 2046090 (1933); US 2174110 (1934); US 2174492 (1938). Photochemical sulfonation of paraffins and cycloparaffins by sulfur d
  • Raschig Phenol Process
  • Raschig Process F. Raschig, FR 698341 (1930), C.A. 25, 3012 (1931). Commercial process for the production of phenol by the hydrolysis of chlorobenzene,
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