| abstract |
(57) [Abstract] [Purpose] To provide a method for producing (S) -γ-lactone, which widely exists in the natural world as a communication substance for insects. A method for producing a compound (9) represented by the following chemical formula 1, wherein a) a reaction for protecting the hydroxyl groups at the 2- and 3-positions of D-ribose, b) a reaction between D-ribofuranose at the 2,3-position and various organometallic reagents, and c) a 1,2-diol moiety Oxidative cleavage reaction, d) Oxidation reaction, e) Reaction for removing protecting groups at the 2,3 position, f) Reaction capable of removing hydroxyl groups at the 2,3 position, and g) Endocyclic double And a step of reducing the bond. |