FIELD: chemistry.
SUBSTANCE: invention refers to production method of diethyl-[(2-alkyl-2-(1-phenylcyclopropyl)-butyl]alans which can be applied as catalyst system component in oligomerisation and polymerisation of olefine, diene and acetylene hydrocarbons, as well as in fine organic and organometallic synthesis. Production method of diethyl-[(2-alkyl-2-(1-phenylcyclopropyl)-butyl]alans of general formula (1): 
consists that phenylalkylacetylenes reacts with Et3Al with added CH2I2 taken in mole ratio phenylalkylacetylene:Et3Al:CH2I2=10:(55-65):(35-45) in argon atmosphere in dichlormethane at temperature 20-22°C and normal pressure during 8-10 h.
EFFECT: development of production method of new aluminium organic compounds.
1 cl, 1 ex, 1 tbl
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