Stereochemical features of meta photocycloadducts derived from 3-alkyl-4-phenoxybut-1-enes
✍ Scribed by Erik van der Eycken; Denis de Keukeleire; André de Bruyn; Johan van der Eycken; Andrew Gilbert
- Publisher
- Elsevier Science
- Year
- 2010
- Tongue
- English
- Weight
- 342 KB
- Volume
- 114
- Category
- Article
- ISSN
- 0165-0513
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## Abstract ^1^H NMR data (400 and 500 MHz) are reported for the intramolecular __meta__ photocycloaddition products from 4‐phenoxybut‐1‐enes and 3‐benzyloxyprop‐1‐enes. The structures of these photoproducts, and in particular the discrimination between the 1,6‐ and 7,8‐bridged isomers, are deduced
## Abstract A number of 1‐substituted and 1,1‐disubstituted (__E__)‐4,5,5‐triethoxypent‐3‐en‐1‐ols (**1**) have been converted to perfluoroalkylated tetrahydrofurans and tetrahydropyrans in a selective fashion by 1‐iodoperfluoroalkane addition under radical conditions using sodium dithionite (Na~2~