Stephen Aldehyde Synthesis H. Stephen, J. Chem. Soc. 127, 1874 (1925); T. Stephen, H. Stephen, ibid. 1956, 4695. Reaction sequence employed to convert n

Staudinger Reaction H. Staudinger, J. Meyer, Helv. Chim. Acta 2, 635 (1919). Synthesis of phosphazo compounds by the reaction of tertiary phosphines wit

Sommelet Reaction M. Sommelet, Compt. Rend. 157, 852 (1913); Bull. Soc. Chim. France [4] 23, 95 (1918). Preparation of aldehydes from aralkyl halides by

Smiles Rearrangement; Truce-Smiles Rearrangement A. A. Levi et al., J. Chem. Soc. 1931, 3264; W. J. Evans, S. Smiles, ibid. 1935, 181; 1936, 329. Intram

Skraup Reaction Z. H. Skraup, Ber. 13, 2086 (1880). Synthesis of quinolines from aromatic amines, glycerol, an oxidizing agent and sulfuric acid:

Simonis Chromone Cyclization E. Petschek, H. Simonis, Ber. 46, 2014 (1913). Formation of chromones from phenol and β-keto esters in the presence of

Simonini Reaction A. Simonini, Monatsh. 13, 320 (1892); 14, 81 (1893). The preparation of aliphatic esters by the reaction of the silver salt of a carbo

Simmons-Smith Reaction H. E. Simmons, R. D. Smith, J. Am. Chem. Soc. 80, 5323 (1958). Stereospecific synthesis of cyclopropanes by treatment of olefins

Sharpless Oxyamination K. B. Sharpless et al., J. Am. Chem. Soc. 97, 2305 (1975). -mediated cis-addition of nitrogen and oxygen moieties to mono-, di- a

Sharpless Epoxidation T. Katsuki, K. B. Sharpless, J. Am. Chem. Soc. 102, 5974 (1980). -catalyzed asymmetric epoxidation of allylic alcohols employing t

Sharpless Dihydroxylation E. N. Jacobsen et al., J. Am. Chem. Soc. 110, 1968 (1988). -catalyzed asymmetric cis-dihydroxylation of olefins:

Serini Reaction A. Serini et al., Ber. 72, 391 (1939). -promoted rearrangement of 17-hydroxy-20-acetoxysterol derivatives into C-20 ketones; the reactio

Semmler-Wolff Reaction (Wolff-Semmler Aromatization, Wolff Aromatization) W. Semmler, Ber. 25, 3352 (1892); L. Wolff, Ann. 322, 351 (1902). Rearrangemen

Schöllkopf Bis-Lactim Amino Acid Synthesis U. Schöllkopf et al., Angew. Chem. Int. Ed. 18, 863 (1979); 20, 798 (1981). Asymmetric amino acid s

Scholl Reaction R. Scholl, C. Seer, Ann. 394, 111 (1912). Coupling of aromatic molecules by treatment with Lewis acid catalysts:

Schmidt Reaction R. F. Schmidt, Ber. 57, 704 (1924). Acid-catalyzed addition of hydrazoic acid to carboxylic acids, aldehydes and ketones to give amines

Sandmeyer Isonitrosoacetanilide Isatin Synthesis T. Sandmeyer, Helv. Chim. Acta 2, 234 (1919). Formation of isonitrosoacetodiphenylamidine by condensati

Sandmeyer Diphenylurea Isatin Synthesis T. Sandmeyer, Z. Farb. Textile Chem. 2, 129 (1903). Formation of a cyanoformamidine by treatment of a symmetrica

Saegusa Oxidation Y. Ito et al., J. Org. Chem. 43, 1011 (1978). Conversion of silyl enol ethers into corresponding α,β-eneones using stoichio

Sabatier-Senderens Reduction P. Sabatier, J. B. Senderens, Compt. Rend. 128, 1173 (1899). Catalytic hydrogenation of organic compounds in the vapor phas