Facile Synthesis of Functional Tricyclic Fused Furans by Intramolecular Wittig Reactions
β Scribed by Tsai, Yi-Ling; Das, Utpal; Syu, Siang-en; Lee, Chia-Jui; Lin, Wenwei
- Book ID
- 120449980
- Publisher
- John Wiley and Sons
- Year
- 2013
- Tongue
- English
- Weight
- 554 KB
- Volume
- 2013
- Category
- Article
- ISSN
- 1434-193X
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π SIMILAR VOLUMES
The phosphoranes 3 formed from the reaction of a variety of keto alcohols 1 and (triphenylphosphoranylidene)ethenone 2 undergo intramolecular Wittig cyclization to afford the unsaturated lactones in moderate yields. 0
## Abstract 3a,8aβDihydroxyβ1,3,3a,8aβtetrahydroβ indeno[1,2β__d__]imidazoleβ2,8βdione **3** reacts with dialkyl acetylenedicarboxylates in the presence of triphenylphosphine to produce some novel interesting dihydrofuran derivatives diastereoselectively. Β© 2006 Wiley Periodicals, Inc. Heteroatom C