1: lithium naphthalenide With (-)-sparteine in hexane; toluene T=-78°C; 0.5 h; 2: cyclohexane-1,2-epoxide With boron trifluoride diethyl etherate in hexane; toluene T=-78°C; 0.166667 h;

4-(N,N-dimethlyamino)pyridine in dichloromethane T=20°C; 20 h;