N,N'-dicarbobenzyloxy-6'-hydroxyspectinomycin 在
四氯化碳 、
三苯基膦 作用下,
以42%的产率得到[(2S,4aR,5S,6S,7R,8S,8aR,9aR,10aR)-5-(Benzyloxycarbonyl-methyl-amino)-2-chloromethyl-4a,6,8-trihydroxy-4-oxo-decahydro-1,9,10-trioxa-anthracen-7-yl]-methyl-carbamic acid benzyl ester