作者:Mitsuru Kitamura、Rie Sakata、Norifumi Tashiro、Azusa Ikegami、Tatsuo Okauchi
DOI:10.1246/bcsj.20150021
日期:2015.6.15
Various orthodiazonaphthoquinones (1-diazo-2(1H)-naphthalenones and 2-diazo-1(2H)-naphthalenones) were synthesized using the diazo-transfer reaction between the appropriate naphthol and 2-azido-1,3-dimethylimidazolinium chloride (ADMC). The ADMC was prepared by the reaction between 2-chloro-1,3-dimethylimidazolinium chloride and sodium azide. The diazo-transfer reaction selectively introduced the diazo group at the C(2) position of 1-naphthol or the C(1) position of 2-naphthol. The naphthalenediols that were tested, except for 1,3-naphthalenediol, also reacted with ADMC to afford the corresponding monodiazotized compound. X-ray analyses suggested that the diazonaphthoquinones did not have diazoniumnaphtholate structures but had diazocarbonyl structures.
利用1-萘酚或2-萘酚与2-叠氮-1,3-二甲基咪唑啉氯化物(ADMC)之间的偶氮转移反应,合成了多种正二偶氮萘醌类化合物(1-二偶氮-2(1H)-萘醌和2-二偶氮-1(2H)-萘醌)。通过2-氯-1,3-二甲基咪唑啉氯化物与叠氮化钠的反应制备了ADMC。偶氮转移反应在1-萘酚的C(2)位或2-萘酚的C(1)位选择性地引入偶氮基团。除1,3-萘二酚外,所测试的萘二酚也与ADMC反应,得到相应的单偶氮化产物。X射线分析表明,这些二偶氮萘醌结构并非二偶氮萘酚酸结构,而是二偶氮羰基结构。