R' R* > 13 > 12

12,R-H. \\" 13, R - COCH,. 4,R=CH3. 5,R-H. 6, R = COCH,. dH. 9,R=CHJ. 10, R = COCH,. bH. 21 nature of the oxidation. This was avoided in the one-.

current was 50 mA which dropped off to 4 mA. ... of the experiments was 20-30 mA but dropped off to 0 in a few minutes ... The reduction mixture was kept cool in.

Would you care to comment on the negative value of AS" for the ion- pair equilibrium ... main reason to suggest that this is an ion pair rather than a free ion is the ...

This oxidation of sulfides is mediated by a chiral Ti complex formed in situ by reacting ... and the presence of additives and solvent) have been determined in order to reach the ..... Gabriella Santoni , Miriam Mba , Marcella Bonchio , WilliamâA.

0. Sieskind. P. Arpino, P. Albrecht, G. Ourisson, P. W. Brooks, S. J. Gaskell, ... um acetate by this method routinely gave 90-92% values. ... 9. 10. We believe that the ease with which tertiary amides can be hydrolyzed by our method offers ...

Oct 28, 1980 - Relative Migratory Aptitudes of Alkyl Groups in the Iodination of ... 3455 (1969); (c) M. M. Midland and Y. C. Kwon, J. Org. Chem., 46,229. (1981) ...

(1) One of the laboratoriee of the Southern Utilization Research and. Development Division ... 2,876,062 (March 3, 1959); (d) H. B. Goldstein and M. A. Silvestri (to. Sun Chemical ..... pH 2.0.-The reaction was 500/, completed in 35-50 min., es-.

coal by the hammer mills. This oil would be cracked in the coking operation and materially increase the light oil yield. If this is practical, a great addition to our ...

Why European Authors Should Submit to Environmental Science & Technology and Environmental Science & Technology Letters. Don't let the name fool you: ...

and the acid chloride waa taken to the diazo ketone with ethereal diazomethane. An 18.0-g sample of the diazo ketone was dis- solved in 1800 ml of cyclohexane, treated with copper powder, and refluxed for 18 hr. The solvent and catalyst were removed