反应条件
iodine; magnesium in tetrahydrofuran Sonication; nitrogen atmosphere; dropwise addn. of allyl chloride to soln. of chlorotributylstannane, magnesium turnings and a piece of iodine (0°C,irradiation of ultrasound, 45 min), aq. workup; ether extn.; (1)H-NMR spectroscopy;
