| 摘要 |
9-Ethoxymethyl guanine derivs. are made by reacting guanine cpds. with protective gps. in reactive points other than position 9, with 1,3-di-substd. 2-halomethoxy propane cpds., in presence of a halogen acid acceptor as catalyst. The prod. is opt. subjected to a reaction for elimination of a substit. gp. |
