Tosylation of 2 and displacement with Nal of the tosylate. 3 gave the diiodide 4 with an 80% overall yield. To construct an interlocked system, the two-step.
Bond Demonstrated by 13C, 59CO NMR and X-Ray Structure Determinations. - Acta ... Single bonds are found to have Jaco values of 80-90 Hz. .... tion and quadrature phase cycling were always used. ... acetonitrile-dz, 99.5 atom % D were all from Sigma;
Dipartimento di Ingegneria Chimica dei Processi e dei Materiali, Viale delle Scienze, 90128 Palermo, Italy. Silvestri, G., Gambino, S. and Filardo, G., 1991.
A Study of Solvent Electron-Pair Donor Ability and Lewis Basicity. Scales. Magnus .... -4 A basicity scale obtained from the shift of the visible ... fined axial acceptor sites in the direction of the d.2 orbital. ..... promotion energy becomes large
Neurobiology, Washington University School of Medi- cine, St. Louis, MO 63110, ... Sciences, Inc., St. Petersburg, FL, U.S.A., Sl nuclease from Sigma Chemicals, St. Louis, MO,. U.S.A. and the ..... Acknowledgements. The expert technical.
Union Carbide European Research Associates, Brussels 18, Belgium ... Present address: Union Carbide Rose-arch Institute, P. O. Box 278, Tarrytown, New.