| 摘要 |
PROBLEM TO BE SOLVED: To provide selective synthetic method of anti-anthradichalcogenophene.SOLUTION: A method includes a process of reacting a compound of the formula 1 and a halogenation agent to obtain a compound of the formula 2, a process of reacting the compound of the formula 2 and a dealkylating agent to obtain a compound of the formula 3, a process of reacting the compound of the formula 3 and an acetylation agent to obtain a compound of the formula 4, a process of reacting the compound of the formula 4 and a terminal acetylene compound to obtain a compound of the formula 5, and a process of reacting the compound of the formula 5 with a base to cause the cyclization and obtain a compound of the formula 6. In the formulae, Rrepresents an alkyl group, X represents a halogen, Ac represents an acetyl group, Rrepresents a trimethylsilyl group, a phenyl group or an alkyl group, and Rrepresents a hydrogen, a phenyl group or an alkyl group. |
