Patent ID: 11970441
Assignee: CENTRAL SOUTH UNIVERSITY
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 1:
2. The method according to claim 1, wherein the 2-haloethanol is 2-chloroethanol or 2-bromoethanol;
a molar ratio of the xanthate to the 2-haloethanol is 1.0:(0.9-1.2);
a solvent for the esterification reaction is water used at an amount of 0-50 ml per 1 mol of the xanthate;
the esterification reaction is conducted at a temperature of 20-100° C. for a reaction time of 1-8 h; and
the 2-haloethanol is reacted with the xanthate at 20-30° C. for 1-2 h before the water is added to the esterification reaction at 20-100° C.