By Heinrich Zollinger
A serious, well-referenced and eminently readable advent to the chemistry of fragrant and heteroaromatic diazo compounds. hugely invaluable reference for man made natural chemists, business chemists and colour chemists. DLC: fragrant and heteroaromatic compounds.
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Extra resources for Diazo Chemistry, Vol. 1, Aromatic and Heteroaromatic
1974, 96, 682; Acc. Chem. Res. P. J. Am. Chem. Soc. ; Yavari, I. J. Am. Chem. Soc. L. J. Org. Chem. W. J. Org. Chem. 1980, 45, 2511. I. Chem. Rev. T. Tetrahedron Lett. ; van Veldhuizen, B. J. Org. Chem. 1982, 47, 963. B. Acc. Chem. Res. 2003, 36, 255. ; Griller, D. Adv. Free Radical Chem. A. Chem. Rev. W. J. Chem. Educ. J. Determination of Organic Structures by Physical Methods, Vol. 3, Academic Press, NY, 1971, pp. 207–245. 1 kcal –2829 kJ Fig. 11. Calculation of the heat of atomization of ethane at 25 C.
Soc. R. J. Am. Chem. Soc. 1963, 85, 2709; Niwa, J. Bull. Chem. Soc. Jpn. 1967, 40, 2192. 34 For methods of determining dipole moments and discussions of their applications, see Exner, O. Dipole Moments in Organic Chemistry; Georg Thieme Publishers: Stuttgart, 1975. L. Tables of Experimental Dipole Moments, Vol. H. Freeman: San Francisco, 1963; Vol. 2, Rahara Enterprises: El Cerrito, CA, 1974. ; Exner, O. Collect. Czech. Chem. Commun. 1985, 50, 188, 200. , Tables of Experimental Dipole Moments, Vol.
91 Whether measured or calculated, there is no question as to what D values mean. With E values the matter is not so simple. 92 Consequently, E for the CÀ ÀH bond in methane is 98 kcal molÀ1 À1 (411 kJ mol ) at 0 K. , the energy necessary to convert a compound to its atoms) directly but to calculate it from the heat of combustion. 11. 5 kcal mol (416 kJ mol ). This method is fine for molecules like methane in which all the bonds are equivalent, but for more complicated molecules assumptions must be made.