Patent ID: 8314051

Claim:
A method for directly preparing 1-methylcyclopropene (1-MCP) which inhibits the action of ethylene of accelerating the ripening process of plants, which comprises reacting a predetermined 1-methylcyclopropene precursor of Formula 2 or 3 with a base or fluoride anion material, and applying the 1-methylcyclopropene to plants: wherein Me is methyl; Et is ethyl; R 1 is substituted or unsubstituted C 2 -C 10 alkyl or C 6 -C 10 aryl; R 2 is substituted or unsubstituted C 1 -C 10 alkyl or C 6 -C 10 aryl; and X is OSO 2 T, in which T is substituted or unsubstituted C 1 -C 10 alkyl or C 6 -C 10 aryl.