Patent ID: 11932662
Assignee: LIER CHEMICAL CO., LTD.
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  A  B  Y | IPC C

Claim 8:
9. The process according to claim 1, characterized in that, Hal2 is chlorine; PG is H, —C(O)—R5, —SO2—R6, —CHC(O)O—R7 or —C(O)OR8, wherein R5 is C6-C16 aryl, C7-C16 aralkyl or C7-C16 alkaryl; R6 is C6-C16 aryl, C7-C16 aralkyl or C7-C16 alkaryl; and R7 and R8 are each independently C1-C16 alkyl, C6-C16 aryl, C3-C16 cycloalkyl, C7-C16 aralkyl or C7-C16 alkaryl; and X is —OR3, wherein R3 is C1-C8 alkyl or C7-C10 aralkyl.