(1S,8aR,8bS)-1-((R)-1-Hydroxy-ethyl)-8a-methoxy-2-oxo-1,2,5,6,7,8,8a,8b-octahydro-azeto[2,1-a]isoindole-4-carboxylic acid allyl ester 在
四(三苯基膦)钯 、 (+/-)-potassium-<2-ethyl-hexylate> 作用下,
以73%的产率得到Potassium; (1S,8aR,8bS)-1-((R)-1-hydroxy-ethyl)-8a-methoxy-2-oxo-1,2,5,6,7,8,8a,8b-octahydro-azeto[2,1-a]isoindole-4-carboxylate