Efficient synthesis of β-hydroxy thiocyanates from epoxides and ammonium thiocyanate using 1,4-bis(triphenylphosphonium)-2-butene dichloride as a new catalyst
Subject Areas :
Maryam Gorjizadeh
1
(Department of Chemistry, Shoushtar Branch, Islamic Azad University, Shoushtar Iran)
Mozhgan Afshari
2
(Department of Chemistry, Shoushtar Branch, Islamic Azad University, Shoushtar Iran)
Mohammad Azarkish
3
(Department of Chemistry, Shoushtar Branch, Islamic Azad University, Shoushtar Iran)
Keywords: 1, Phase transfer catalyst, 4-bis(triphenylphosphonium)-2-butene dichloride, β-hydroxy thiocyanates, epoxides,
Abstract :
1,4-bis(triphenylphosphonium)-2-butene dichloride was developed as a new phase transfer catalyst. This quaternized phosphonium salt catalyzed the regioselective ring opening of epoxides by thiocyanate ion to give β-hydroxy thiocyanates in high yields under mild conditions.