Preparation of methionine and selenomethionine from homosserina through an intermediary of a lactone.

摘要

Preparation of methionine and selenomethionine from homosserina through an intermediary of a lactone. The present invention relates to processes for the production of methionine and selenomethionine from homosserina. In particular, the processes are carried out through the production of lactone intermediates.