𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Stereoselectivity in the diels-alder reactions of tropylium ion

✍ Scribed by George B Clemans; Michael A. Dobbins


Publisher
Elsevier Science
Year
1982
Tongue
French
Weight
228 KB
Volume
23
Category
Article
ISSN
0040-4039

No coin nor oath required. For personal study only.

✦ Synopsis


New Diels-Alder reactions of tropylium ion are studied, and the observed stereoselectivities suggest that solvent effects determine the steric course of these reactions. Troplylium ion (1) has been found to undergo a number of Diels-Alder type reactions with high endo selectivity.2


πŸ“œ SIMILAR VOLUMES


Stereoselectivity in the Homo Diels-Alde
✍ Mark Lautens; Louise G. Edwards πŸ“‚ Article πŸ“… 1989 πŸ› Elsevier Science 🌐 French βš– 258 KB

Ni(COD)z/Ph3P or Ni(acac)2/Et3Al/PhsP have been shown to be effective catalysts for the stereoselective homo Diels-Alder reaction between norbomadiene and electron deficient olefins. High and opposite stereoselectivity was observed for cyclic and acyclic enones. Vinyl sulfoxides gave predominantly o

Inter- and intramolecular hetero diels-a
✍ Tietze, Lutz F. ;HΓΌbsch, Thomas ;Oelze, Jens ;Ott, Christian ;Tost, Winfried ;WΓΆ πŸ“‚ Article πŸ“… 1992 πŸ› Wiley (John Wiley & Sons) 🌐 English βš– 891 KB

Hetero Diels-Alder reactions / Enamino ketones 1 High-pressure reactions / Pyrans The hetero Diels-Alder reaction of enamino ketone 1 with the vinyl ethers 7-11 leading to the dihydropyrans 12a-e and 13ae is studied in dichloromethane under high pressures up to 7 kbar. The kinetics is measured by o