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Under the influence of UV light (high pressure HPK 125, Philips) and in presence of acetone ethylene and formamide react under elevated pressure (12.5-100 kp/cm 2 ) to give odd-numbered n-alkane carbonic acid amides of chain lenghth C 3 -C 19 . Product yields improve with rising pressure. By increasing the concentration of aceton (0.1-8 mol-%), the reaction pressure the reaction time and at low temperatures the average mol.-weight is shifted to higher values. The chain distribution corresponds to a geometrical progression. Per 1 kwh electrical power input of the uv-equipment 0.5 kg of product is formed with chain length: 78% C 3 -C 7 , 12% C 9 , 10% C 11 -C 19 .

Photochemisch initiierte Telomerisation von Äthylen mit Formamid / Photo-Initiated Telomerization of Ethylene with Formamide