1: With caesium carbonate in ethanol
2: With Merryfield resin in N,N-dimethyl-formamide
T=50°C; 72 h;
3: With di(n-butyl)tin oxide in chlorobenzene
T=133°C; 18 h; Further stages. Further byproducts. Title compound not separated from byproducts.;
参考文献
Ruddick, Clare L.; Hodge, Philip; Cook, Anthony; McRiner, Andrew J.
Journal of the Chemical Society. Perkin Transactions 1, 2002 , # 5 p. 629 - 637