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)

Received: 2016-05-29 Accepted : 2016-05-29 Published : 2011-05-01

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.