𝔖 Bobbio Scriptorium
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Conjugative additions of allyl ylids to dienoic esters: A new synthesis of bicyclo[4.1.0]heptenes.

✍ Scribed by William G. Dauben; Alan P. Kozikowski


Publisher
Elsevier Science
Year
1973
Tongue
French
Weight
154 KB
Volume
14
Category
Article
ISSN
0040-4039

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✦ Synopsis


In our studies related to the development of new syntheses of carbocyclic ring systems, we have investigated the reaction of alkylidenetriphenylphosphoranes with conjugated dienoic esters.


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A new conjugated addition of trialkyl ph
✍ Ashraf A. Sediek; Abeer A. Shaddy; Wafaa M. Abdou 📂 Article 📅 2011 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 313 KB

## Abstract A new and efficient conjugate addition of trimethyl and triethyl phosphites to 3‐ω‐azidoacetylcoumarin **(****1****)** has been studied. The reaction proceeded smoothly at r.t. furnishing 1,2,3,4‐triazaphosphole coumarin derivatives **4a**, **4b** in ∼75% yields. Linear substituted tria