Letts Nitrile Synthesis E. A. Letts, Ber. 5, 669 (1872). Formation of nitriles by heating aromatic carboxylic acids with metal thiocyanates:

Lebedev Process S. V. Lebedev, Zh. Obshch. Khim. 3, 698 (1933). Formation of butadiene from ethanol by catalytic pyrolysis. The catalysts used are mixtu

Ladenburg Rearrangement A. Ladenburg, Ber. 16, 410 (1883); Ann. 247, 1 (1888). Thermal rearrangement of an alkyl- or benzylpyridinium halide to an alkyl

Kuhn-Winterstein Reaction R. Kuhn, A. Winterstein, Helv. Chim. Acta 11, 87 (1928). Conversion of 1,2-glycols into trans olefins by reaction with diphosp

Kucherov Reaction M. Kucherov, Ber. 14, 1540 (1881). Hydration of acetylenic hydrocarbons with dilute sulfuric acid in the presence of mercuric sulfate

Kröhnke Synthesis W. Zecher, F. Kröhnke, Ber. 94, 690, 698 (1961); eidem, Angew. Chem. Int. Ed. 1, 626 (1962). 1,4-Michael addition, q.v., of

Kröhnke Oxidation F. Kröhnke et al., Ber. 69, 2006 (1936); 71, 2583 (1938); 72, 440 (1939). Transformation of activated halides into aldehydes

Petrenko-Kritschenko Piperidone Synthesis P. Petrenko-Kritschenko et al., Ber. 39, 1358 (1906); 40, 2882 (1907); 41, 1692 (1908); 42, 2020, 3683 (1909).

Krapcho Decarbalkoxylation A. P. Krapcho et al., Tetrahedron Letters 1967, 215. The decarbalkoxylation of malonate esters, β-keto esters, α-c

Krafft Degradation F. Krafft, Ber. 12, 1664 (1879). Conversion of carboxylic acids, especially of high molecular weight, into the next lower homolog by

Kostanecki Acylation S. von Kostanecki, A. Rozycki, Ber. 34, 102 (1901). Formation of chromones or coumarins by acylation of o-hydroxyaryl ketones with

Kolbe-Schmitt Reaction H. Kolbe, Ann. 113, 125 (1860); R. Schmitt, J. Prakt. Chem. [2] 31, 397 (1885). Formation of aromatic hydroxy acids by carboxylat

Kochi Reaction J. K. Kochi, J. Am. Chem. Soc. 87, 2500 (1965). Synthesis of organic chlorides by decarboxylation of carboxylic acids in the presence of

Knorr Synthesis L. Knorr, Ann. 236, 69 (1886); 245, 357, 378 (1888). Formation of α-hydroxyquinolines from β-ketoesters and arylamines above

Knorr Pyrrole Synthesis L. Knorr, Ber. 17, 1635 (1884); Ann. 236, 290 (1886); L. Knorr, H. Lange, Ber. 35, 2998 (1902). Formation of pyrrole derivatives

Knorr Synthesis L. Knorr, Ber. 16, 2587 (1883). Formation of pyrazole derivatives from hydrazines, hydrazides, semicarbazides, and aminoguanidines by c

Paal-Knorr Pyrrole Synthesis C. Paal, Ber. 18, 367 (1885); L. Knorr, ibid. 299. Formation of pyrroles via cyclization of 1,4-dicarbonyl compounds with a

Koenigs-Knorr Synthesis W. Koenigs, E. Knorr, Ber. 34, 957 (1901). Formation of glycosides from acetylated glycosyl halides and alcohols or phenols in t

Knoop-Oesterlin Amino Acid Synthesis F. Knoop, H. Oesterlin, Z. Physiol. Chem. 148, 294 (1925). Preparation of α-amino acids by catalytic hydrogen

Kishner Synthesis N. M. Kishner, A. Zavadovskii, J. Russ. Phys. Chem. Soc. 43, 1132 (1911). Formation of cyclopropane derivatives by decomposition of p