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2-Morpholinobutadienes as synthon for the regioselective preparation of 3-Morpholino-1,4-pentadienes and β-hydroxyvinylketones

✍ Scribed by José Barluenga; Fernando Aznar; Ma Paz Cabal; Carlos Valdés


Publisher
Elsevier Science
Year
1989
Tongue
French
Weight
235 KB
Volume
30
Category
Article
ISSN
0040-4039

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✦ Synopsis


A very simple regioselective preparation of 3-morpholino-I ,4-pentadienes and P-hydroxyvinylketones is described.


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(2-chloro-2-nitroethenyl)benzenes as syn
✍ Daniel Dauzonne; Hubert Josien; Pierre Demerseman 📂 Article 📅 1990 🏛 Elsevier Science 🌐 French ⚖ 640 KB

we describe a convenient and general method for the preparation of 2,3-dihydro-2-niuo-3-phenyl-4H-furo[3,2-c][l]~~opy~-4-ones from cl-hydroxycoumarin and (2-chloro-2-nitroethenyl)benzenes in the presence of potassium fluoride. Using the same starting materials and by replacing potassium fluoride wit