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  • Allan-Robinson Reaction
  • Allan-Robinson Reaction J. Allan, R. Robinson, J. Chem. Soc. 125, 2192 (1924). Preparation of flavones or isoflavones by condensing o-hydroxyaryl ketone
  • Algar-Flynn-Oyamada Reaction
  • Algar-Flynn-Oyamada Reaction J. Algar, J. P. Flynn, Proc. Roy. Irish Acad. 42B, 1 (1934); B. Oyamada, J. Chem. Soc. Japan 55, 1256 (1934). Alkaline hydr
  • Aldol Reaction (Condensation)
  • Aldol Reaction (Condensation) R. Kane, Ann. Phys. Chem., Ser. 2, 44, 475 (1838); idem, J. Prakt. Chem. 15, 129 (1838). Traditionally, it is the acid- or
  • Ene Reaction
  • Ene Reaction (Alder-Ene Reaction); Conia Reaction K. Alder et al., Ber. 76, 27 (1943). The addition of an alkene having an allylic hydrogen (ene) to a c
  • Diels-Alder Reaction
  • Diels-Alder Reaction O. Diels, K. Alder, Ann. 460, 98 (1928); 470, 62 (1929); Ber. 62, 2081, 2087 (1929). The 1,4-addition of the double bond of a dieno
  • Akabori Amino Acid Reactions
  • Akabori Amino Acid Reactions S. Akabori, J. Chem. Soc. Japan 52, 606 (1931); Ber. 66, 143, 151 (1933); J. Chem. Soc. 64, 608 (1943). 1. Formation of ald
  • Michael Reaction
  • Michael Reaction (Addition, Condensation) A. Michael, J. Prakt. Chem. [2] 35, 349 (1887). Base-promoted conjugate addition of carbon nucleophiles (donor
  • Acyloin Condensation
  • Acyloin Condensation L. Bouveault, R. Loquin, Compt. Rend. 140, 1593 (1905). Reductive coupling of esters by sodium to yield acyloins (α-hydroxyke
  • Acetoacetic Ester Synthesis
  • Acetoacetic Ester Synthesis Base-catalyzed alkylation or arylation of β-ketoesters. Subsequent mild hydrolysis and decarboxylation yield substituted acetones. Alterna
  • Claisen Condensation
  • Claisen Condensation (Acetoacetic Ester Condensation) L. Claisen, O. Lowman, Ber. 20, 651 (1887). Base-catalyzed condensation of an ester containing an
  • Ugi Reaction
  • Ugi Reaction (Four-Component Condensation, 4CC) I. Ugi, Angew. Chem. Int. Ed. 1, 8 (1962). The α-addition of an iminium ion and the conjugate base
  • Crystal Structure
  • The atomic arrangement of the atoms of an element when it is in its solid state.
  • Cross section
  • The effective size of a nucleus in capturing a thermal neutron (slow neutron). Larger cross sections have a greater probability of neutron capture.
  • Covalent Radius
  • A chemical bond between atoms formed by the sharing of valence electrons.
  • Convection
  • The movement of heat by a moving liquid or gas. Convection results from the differences in the densities of a material at different temperatures. As a liquid or gas raises in temperature, it
  • Conduction
  • 1. Thermal conduction the transfer of heat between two solid materials that are physically touching each other. 2. Electrical conduction the transfer of electrical current through
  • Compound
  • a substance composed of atoms or ions of two or more elements that are chemically combined. Elements in a compound are present in definite proportions by mass and are bonded with each other
  • Coefficient of linear thermal expansion
  • The ratio of change in length per degree centigrade compared to the base length at zero degrees centigrade. The unit of measurement is centimeter per centimeter per degree centigrade (cm/cm/
  • Chemiluminescence
  • The emission of absorbed energy as light as the result of a chemical reaction. This occurs in thousands of compounds both organic and inorganic. Chemical glow sticks and fireflies are exampl
  • Centigrade (Celsius)
  • The scale for measuring temperature used internationally where the freezing point of water is zero and the boiling point of water at sea level is 100 degrees. To convert from centigrade into
Periodic Table
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