1,3-二噻烷 、 (4bR,8aS,9R)-11-(cyclopropylmethyl)-8a-hydroxy-3-methoxy-8,8a,9,10-tetrahydro-5H-9,4b-(epiminoethano)phenanthren-6(7H)-one 在
正丁基锂 作用下,
以
乙二醇二甲醚 为溶剂,
以69%的产率得到(4bR,6S,8aS,9R)-11-(cyclopropylmethyl)-6-(1,3-dithian-2-yl)-3-methoxy-5,6,7,8,9,10-hexahydro-8aH-9,4b-(epiminoethano)phenanthrene-6,8a-diol