Three-Component Reaction of Triphenylphosphine, Acetylenic Esters and 4-(Arylideneamino)-3-ethyl-1H-1,2,4-triazole-5(4H)-thiones for the Synthesis of Phosphorus Ylides
oleh: Mohammad H. Mosslemin, Masoumeh Tabatabaee, Alireza Hassanabadi, Asal Lamei
| Format: | Article |
|---|---|
| Diterbitkan: | Wiley 2011-01-01 |
Deskripsi
Triphenylphosphine reacts with 4-(arylideneamino)-3-ethyl-1H-1,2,4-triazole-5(4H)-thiones in the presence of dialkyl acetylenedicarboxylates to produce highly functionalized, salt-free phosphorus ylides in excellent yields.