𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Novel differences between the solid state and solution phase photochemistry of 1,2-cyclodecanedione

✍ Scribed by Gunnar Olovsson; John R. Scheffer; James Trotter; Chung-Hsi Wu


Publisher
Elsevier Science
Year
1997
Tongue
French
Weight
198 KB
Volume
38
Category
Article
ISSN
0040-4039

No coin nor oath required. For personal study only.

✦ Synopsis


1,2-Cyclodeeanedione (1) undergoes a novel photore.axrangement in the crystalline state that is different from the Norrish/Yang type II photocycl~!ion process observed in solution. A possible mechanism is presented arid discussed. @ 1997 Elsevier Science Ltd.

Medium sized ring and macrocyelic diketones in which the carbonyl groups are separated by an equal number of methylene groups on either side (so-called diametric diketones) display a rich Norrish/Yang type n photocherrdstry that is strongly dependent upon the naxlinm in which the photolyses are carried out. I In the


πŸ“œ SIMILAR VOLUMES


H-abstraction prevails over Ξ±-cleavage i
✍ Christopher J. Mortko; Hung Dang; Luis M. Campos; Miguel A. Garcı́a-Garibay πŸ“‚ Article πŸ“… 2003 πŸ› Elsevier Science 🌐 French βš– 163 KB

The photochemistry of cis-2,6-di(1-cyclohexenyl)cyclohexanone was studied in solution and in crystals to determine its photoreactivity and chemoselectivity. Although 1,3-acyl shifts and the oxadi-p-methane rearrangement products are possible for the b,g-unsaturated chromophore, an efficient intramol

Photochemistry of 11,12-bis(Aminomethyl)
✍ Scheffer, John R. ;Ihmels, Heiko πŸ“‚ Article πŸ“… 1997 πŸ› John Wiley and Sons 🌐 English βš– 513 KB

## Abstract The photochemistry of 11,12‐bis(aminomethyl)‐9,10‐dihydro‐9,10‐ethenoanthracene (4) was investigated in solution and in the solid state. Direct irradiation of 4 gave the singlet state photoproduct 5, whereas the triplet derived photoproduct could only be obtained by irradiating the bis(