1,1’’-diethyl-5’-{4-[4-(phenylethynyl)phenylethynyl]benzyloxy}dispiro[piperidine-4,2’-(7,11,21,25-tetraoxacyclopenta[24.2.2.23,6.212,15.217,20]hexatriaconta-3,5,12,14,17,19,26,28,29,31,33,35-dodecaene)-16,4’’-piperidine] 、
碘乙烷 在
DOWEX 1X
8, 200-400 mesh, Cl
- 作用下,
以
二氯甲烷 、
水 为溶剂,
以59%的产率得到1,1,1’’1’’-tetraethyl-5’-{4-[4-(phenylethynyl)phenylethynyl]benzyloxy}di-spiro[piperidine-4,2’-(7,11,21,25-tetraoxacyclopenta[24.2.2.2
3,6.2
12,15.2
17,20]-hexatriaconta-3,5,12,14,17,19,26,28,29,31,33,35-dodecaene)-16,4’’-piperidine]