Welcome to LookChem.com Sign In | Join Free

Basic Chemical -

Home > Chemical Encyclopedia > Basic Chemical
  • Hofmann Reaction
  • Hofmann Reaction A. W. Hofmann, Ber. 14, 2725 (1881). Conversion of primary carboxylic amides to primary amines with one fewer carbon atom upon treatmen
  • Houben-Hoesch Reaction
  • Houben-Hoesch Reaction K. Hoesch, Ber. 48, 1122 (1915); J. Houben, ibid. 59, 2878 (1926). Synthesis of acylphenols from phenols or phenolic ethers by th
  • Nozaki-Hiyama Coupling Reaction
  • Nozaki-Hiyama Coupling Reaction (Nozaki-Hiyama-Kishi Reaction) Y. Okude et al., J. Am. Chem. Soc. 99, 3179 (1977); K. Takai et al., Tetrahedron Letters 24, 5281 (1983).
  • Hinsberg Synthesis of Thiophene Derivatives
  • Hinsberg Synthesis of Derivatives O. Hinsberg, Ber. 43, 901 (1910). Formation of thiophene carboxylic acids from α-diketones and dialkyl thiodiac
  • Hinsberg Sulfone Synthesis
  • Hinsberg Sulfone Synthesis O. Hinsberg, Ber. 27, 3259 (1894); 28, 1315 (1895). Formation of sulfonylquinol derivatives by addition of quinones to cold d
  • Hinsberg Oxindole and Oxiquinoline Synthesis
  • Hinsberg and Oxiquinoline Synthesis O. Hinsberg, Ber. 21, 110 (1888); 25, 2545 (1892); 41, 1367 (1908). Formation of oxindoles from secondary aryl amin
  • Hilbert-Johnson Reaction
  • Hilbert-Johnson Reaction T. B. Johnson, G. E. Hilbert, Science 69, 579 (1929); G. E. Hilbert, T. B. Johnson, J. Am. Chem. Soc. 52, 2001, 4489 (1930). Re
  • Herz Reaction
  • Herz Reaction R. Herz, DE 360690 (1914 to Cassella & Co.); US 1637023 (1928); US 1699432 (1929). Formation of o-aminothiophenols by heating aromatic
  • HERON Rearrangement
  • HERON Rearrangement (Heteroatom Rearrangements on ) J. M. Buccigross et al., Aust. J. Chem. 48, 353 (1995); J. M. Buccigross, S. A. Glover, J. Chem. Soc. Perkin Trans. II
  • Henry Reaction
  • Henry Reaction (Nitroaldol Reaction) L. Henry, Compt. Rend. 120, 1265 (1895); J. Kamlet, US 2151517 (1939). Base-catalyzed aldol-type condensation, q.v.
  • Henkel Reaction
  • Henkel Reaction (Raecke Process, Henkel Process) B. Raecke, DE 936036 (1952) and DE 958920 (1952) to Henkel & Co. Industrial scale thermal rearrange
  • Hell-Volhard-Zelinsky Reaction
  • Hell-Volhard-Zelinsky Reaction C. Hell, Ber. 14, 891 (1881); J. Volhard, Ann. 242, 141 (1887); N. Zelinsky, Ber. 20, 2026 (1887). α-Halogenation o
  • Helferich Method
  • Helferich Method B. Helferich, E. Schmitz-Hillebrecht, Ber. 66, 378 (1933). Glycosidation of an acetylated sugar by heating with a phenol in the presenc
  • Heck Reaction
  • Heck Reaction R. F. Heck, J. P. Nolley, Jr., J. Org. Chem. 37, 2320 (1972). Stereospecific palladium-catalyzed coupling of alkenes with organic halides
  • Hayashi Rearrangement
  • Hayashi Rearrangement M. Hayashi, J. Chem. Soc. 1927, 2516; 1930, 1513, 1520, 1524. Rearrangement of o-benzoylbenzoic acids in the presence of sulfuric
  • Haworth Phenanthrene Synthesis
  • Haworth Synthesis R. D. Haworth, J. Chem. Soc. 1932, 1125, 2717, idem et al., ibid. 1784, 2248, 2720; 1934, 454. Preparation of phenanthrenes from naph
  • Haworth Methylation
  • Haworth Methylation W. N. Haworth, J. Chem. Soc. 107, 13 (1915). Formation of methylated methyl glycosides from monosaccharides with dimethyl sulfate an
  • Sommelet-Hauser Rearrangement
  • Sommelet-Hauser Rearrangement M. Sommelet, Compt. Rend. 205, 56 (1937). Rearrangement of benzyl quaternary ammonium salts to ortho substituted benzyldia
  • Harries Ozonide Reaction
  • Harries Ozonide Reaction (Ozonolysis) C. Harries, Ann. 343, 311 (1905). Treatment of olefins with ozone as a method of cleaving olefinic linkages. On hy
  • Hantzsch Pyrrole Synthesis
  • Hantzsch Pyrrole Synthesis A. Hantzsch, Ber. 23, 1474 (1890). Formation of pyrrole derivatives from α-chloromethyl ketones, β-keto esters and
Periodic Table
    Hot Products