Sm. Bennett et al., Studies on the diastereoselectivity of samarium(II) iodide mediated reductive carbocyclizations of omega-iodo-alpha, beta-unsaturated esters preparedfrom 2-deoxy-D-ribose (vol 39, pg 7075, 1998), TETRAHEDR L, 39(51), 1998, pp. 9313-9313