Patent ID: 6992208

Claim:
A process for the production of 3-iodo-2-propynyl butylcarbamate, which comprises the steps of: a. charging a reactor with an aqueous solution of a nonionic surfactant, b. cooling the reaction mass to a temperature of from about 0° C. to about 12° C., c. adding to the reaction mass an aqueous solution of a metallic iodide salt, d. adjusting the pH of the reaction mass to greater than 7 with a molar excess of an alkali metal hydroxide, wherein the molar excess is based on the propynyl butylcarbamate to be added, e. charging the reaction mass with an effective amount of propynyl butylcarbamate, f. charging the reaction mass with a solution of an oxidizing agent while maintaining the temperature at from about 0° C. to about 11° C., g. agitating the reaction mass for an effective period of time and, during this period, preventing the temperature of the reaction mass from exceeding a temperature of about 20° C., h. ramping the temperature of the reaction mass up to a temperature of from about 35° C. to about 40° C., i. adjusting the pH with an organic acid such that the pH of the reaction mass is slightly acidic, j. adjusting the pH to about 6.6, k. ramping the temperature of the reaction mass up to a temperature of from about 55° C. to 59° C., l. ramping the temperature down to a temperature of about 25 to about 30° C., m. ramping, with agitation, the temperature of the reaction mass down to room temperature, n. filtering and washing the reaction mass with water and drying to a constant weight.