Method for producing. Beta. - hydroxy -. Gamma. - butyrolactones and. Beta. - (meta) acryloyloxy -. Gamma. - butyrolactones

摘要

The invention is cyanogenic, hydrolyzed, lactonized, or formula (1)In formula (R1), R1 represents a hydrogen atom or a methyl group. The present invention relates to a method for producing a corresponding. Beta. - hydroxy -. Gamma. - tyrololactone or. Beta. - methyl -. Beta. - hydroxy -. Gamma. - tyrololactone.