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Synthese von ‘Push-Pull’- Eninen

✍ Scribed by Daniel Berger; Andreas Bartlome; Markus Neuenschwander

Publisher
John Wiley and Sons
Year
1996
Tongue
German
Weight
832 KB
Volume
79
Category
Article
ISSN
0018-019X

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✦ Synopsis

Synthesis of ‘Push‐Pull’ Enynes

‘Push‐pull’ enynes 1a–1f are easily available by Pd catalyzed coupling of stannyl‐ynamines 15 and silylynamines 16 with β‐iodo‐enones 8 (Schemes 7 and 8).

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Synthese von ‘Push-Pull’-Diacetylenen
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**Synthesis of ‘Push‐Pull’ Diacetylenes** The first synthesis of push‐pull diacetylenes of type **1** is described. Reaction of perchlorobutenyne (**8**) with two equivalents of dialkylamine, followed by dechlorination using two equivalents of butyllithium gives lithio‐dialkylamino‐diynes **7**. Fi

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Synthesis of ‘Push‐Pull’‐OligoAcetylenes ‘Push‐pull’ triacetylenes 11a, b, c, as well as ‘push‐pull’ tetraacetylene 13b have been prepared by reaction of the corresponding trichloroene(oligoinyl)amines 9 and 10 with 2 mol‐equiv. of BuLi followed by acylation. The sequences (__Schemes 3__ and __4__)

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✍ Urs Stämpfli; Markus Neuenschwander 📂 Article 📅 1983 🏛 John Wiley and Sons 🌐 German ⚖ 495 KB

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Synthese neuer `Push-Pull'-Enine
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