Chemistry

CHEMISTRY

BY MARY E. ANNE FOX
Department of Chemistry
University of Texas, Austin
Austin, Texas

The hypothesis that nothing in biology makes sense except in light of evolution is appliedto selective and nonselective behaviors in enzymology. Merely distinguishing between these types of behavior is quite a challenge.

S.A. Benner, “Enzyme kinetics and molecular evolution,” Chemical Reviews, 89, 789-806, June 1989. (Laboratory of Organic Chemistry, ETH-Zentrum, Zurich, Switzerland)

" Heats of hydrogenation and force-field calculations for a series of highly strained olefins show that rotational barriers can be described by a unique torsional potential independent of the degree of substitution.

W.V.E. Doering, W.R. Roth, F. Bauer, R. Breuckmann, et al., “Rotationsbarrienen gespannter Olefine [Rotational barriers of strained olefins],” Chemische Berichte, 122, 1263-75, July 1989. . (Harvard University, Cambridge, Mass.; Universitat Bochum, F.R.G., etc.)

" Apart from Xe(CF3)2, first prepared by Lagow in 1979, no stable compounds containing...