顺式-3,5-二甲基二氢-2H-吡喃-2,6(3H)-二酮 、
(+)-6α-hydroxy-1α-hydroxymethyl-8β-pyrrolizidine 生成
(1R,6R,8R)-6,9-O,O-(meso-2,4-dimethylglutaryl)-6-hydroxy-1-hydroxymethylpyrrolizidine 、 (1R,6R,8R)-6,9-O,O-(meso-2,4-dimethylglutaryl)-6-hydroxy-1-hydroxymethylpyrrolizidine