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

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 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 P. Rothemund, J. Am. Chem. Soc. 57, 2010 (1935); 61, 2912 (1939). Preparation of meso-tetrasubstituted porphyrins by condensation of

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 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 R. Robinson, J. Chem. Soc. 111, 762, 876 (1917); C. Schöpf, Angew. Chem. 50, 779, 797 (1937). Synthesis of tropinones

Robinson Annulation W. S. Rapson, R. Robinson, J. Chem. Soc. 1935, 1285. Formation of six-membered ring α,β-unsaturated ketones by the additi