103148-78-3

Basic information

• Product Name: 6,7-Dicyan-2,3,3a,7a-tetrahydro-4-(triphenylphosphoranylidenamino)benzofuran-3a-carbonsaeure-ethylester
• CAS NO: 103148-78-3
• Molecular Weight: 519.539
• Mol File: 103148-78-3.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: 6,7-Dicyan-2,3,3a,7a-tetrahydro-4-(triphenylphosphoranylidenamino)benzofuran-3a-carbonsaeure-ethylester(CAS DataBase Reference)
• NIST Chemistry Reference: 6,7-Dicyan-2,3,3a,7a-tetrahydro-4-(triphenylphosphoranylidenamino)benzofuran-3a-carbonsaeure-ethylester(103148-78-3)
• EPA Substance Registry System: 6,7-Dicyan-2,3,3a,7a-tetrahydro-4-(triphenylphosphoranylidenamino)benzofuran-3a-carbonsaeure-ethylester(103148-78-3)

Safety Data

• Hazardous Substances Data: 103148-78-3(Hazardous Substances Data)

Upstream product

• 1070-71-9 propiolonitrile 
• 86300-01-8 4,5-Dihydro-2-(triphenylphosphoranylidenamino)-3-furancarbonsaeure-ethylester 

Relevant articles and documents

Heterocyclic β-Enamino Esters, 44: 2,3,3a,7a-Tetrahydrobenzofurans, -benzothiophene, and 2,3,3a,7a-Tetrahydroindole by Cycloaddition with Cyanoacetylene

With two molecules cyanoacetylene the (4,5-dihydro-2-furyl- (1a-c), -2-pyrrolinyl- (1d), and -2-thienylimino (1e))triphenylphosphoranes and the furan β-enaminonitrile 1f afford the 2,3,3a,7a-tetrahydrobenzofurans 2a-c,f, the 2,3,3a,7a-tetrahydroindole 2d, and the benzothiophene 2e, respectively.The structure of 2b is established by X-ray diffraction.