## Abstract On irradiation in the presence of propen‐2‐yl isocyanate (**4**), six‐membered cyclic enones **3** are converted into regio‐ and stereoisomeric mixtures of [2+2] cycloadducts **5**–**10**; the preferentially formed __HT__ products, **5**–**8**, can be converted into the corresponding bi
Photocyclodimers of ‘Made-to-Measure’ Seven- and Six-Membered Cyclic Enones
✍ Scribed by Kerstin Schmidt; Paul Margaretha
- Book ID
- 112098264
- Publisher
- John Wiley and Sons
- Year
- 2012
- Tongue
- German
- Weight
- 155 KB
- Volume
- 95
- Category
- Article
- ISSN
- 0018-019X
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## Abstract magnified image In this study, methyl (±)‐1‐(2‐nitrobenzyl)‐4‐oxo‐2‐cyclohexene‐1‐carboxylate and methyl (±)‐(2‐nitrobenzyl)‐4‐oxo‐2‐cyclopentene‐1‐carboxylate were prepared and subjected to reductive cyclization under dissolving metal conditions. The two reactants showed divergent beh