| abstract |
A method for producing a compound represented by formula (3), the method including a step for reacting a compound represented by formula (1): (in the formula, X is –O- or –NR-, R, R 1 , R 2 , R 3 , and R 4 are each independently C 1-6 alkyl groups or the like) and a compound represented by formula (2): (in the formula, Y is –O-, -NR 6 -, or –S-, R 5 and R 6 are each independently C 1-6 alkyl groups or the like) in the presence of a processed plant product, and obtaining a compound represented by formula (3): (in the formula, X, Y, R 1 , R 2 , R 3 , R 4 , and R 5 are defined in the same manner as above). |