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

Claim 5:
6. The method according to claim 1, further comprising: a thioalkylation reaction of the 2-hydroxyethyl thiolate obtained in step 3) with an alkyl halide having a structure shown in formula VI, to obtain a 2-alkylthioethanol having a structure shown in formula VII, and the 2-alkylthioethanol is reacted with carbon disulfide the alkali to obtain the O-alkylthioethyl xanthate as shown in formula VIII;, wherein R1 is C1 to C8 alkyl and aryl, or alkylthioethyl as shown in formula V; X is Cl, Br or I; and M is a cation of the alkali, wherein the cation of the alkali is Na+ or K+; or NH4+.