Vinyl ether synthesis
- Product Name:Vinyl ether
- CAS Number:109-93-3
- Molecular formula:C4H6O
- Molecular Weight:70.09
Yield:-
Reaction Conditions:
in tert-butyl alcohol
Steps:
P.3.1 1.
1. Synthese von Divinylether In a100 mL two-neck flask equipped with a magnetic stirrer and a distillation bridge, 9.39 g (83.7 mmol) potassium tert-butylat in 40 mL wasserfreiem tert-Butanol are introduced and heated to 50 °C. By using a septum, 6.0 g (41.9 mmol) 2-chloroethyl ether is added dropwise to the mixture which is heated to 100 °C erhitzt. The reaction mixture becomes turbid. The Die distillation head is cooled with acetone/dry ice. GC/MS: m/z 70 (M+), 44 (C2H4O2+), 43 (C2H30+), 31 (CH30+), 27 (C2H3+). 1H-NMR(200 MHz, CDCl3): d 6.51-6.41 (dd, 2H, RO-CH=CH2), 4.62-4.54 (dd, 2H, RO-CH=CH2), 4.29-4.25 (dd, 2H, RO-CH=CH2) ppm.
References:
Dentsply DeTrey GmbH EP2316407, 2011, A1
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