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

Claim 23:
24. The process according to claim 9, characterized in that,
R5 is C6-C12 aryl, C7-C13 aralkyl or C7-C13 alkaryl;
R6 is C6-C12 aryl, C7-C13 aralkyl or C7-C13 alkaryl;
R7 and R8 are each independently C1-C8 alkyl, C6-C12 aryl, C3-C10 cycloalkyl, C7-C12 aralkyl or C7-C12 alkaryl; and/or
R3 is C1-C6 alkyl or C7-C9 aralkyl.