| abstract |
(57) [Problem] To provide a method for chemically producing an antibiotic MI43-37F11. Another object of the present invention is to provide an intermediate for producing the antibiotic MI43-37F11 used in the production method. The compound (R) represented by the following general formulas (VIII) and (VII) 1 , R 2 and R 3 independently represent a hydrogen atom or a lower alkyl group), and compound (VIII), A method for producing an antibiotic MI43-37F11, comprising a step of hydrolyzing this and then alkylating, or a step of synthesizing the compound (VII) and alkylating it. (VIII) (VII) |