反应条件
1: polyphosphoric acid
2: (i) Br2, CCl4, (ii) γ-collidine
3: H2SO4
4: KOH / methanol
5: (i) aq. NaOH, tetraethyl diphosphate, (ii) Na, NH3, THF, (iii) EtOH
View Scheme
参考文献
Carlin,R.B.; Sivaramakrishnan,K.P.
Journal of Organic Chemistry, 1970 , vol. 35, p. 3368 - 3372