Jul 24, 2012The cyclisation process of this example includes contacting 0.1 mmol (3E)-4,8-dimethyl-1-phenyl-nona-3,7-diene (1) (at a concentration of 0.05 M) in dichloromethane (2 mL) with an acetal initiator (0.3 mmol) in the presence of 0.2 mmol (added at 1.0 M in dichloromethane) of the Lewis acid catalyst Tin(IV) chloride.
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