The preparation and reactions of 1,3,4,5,6,7,8-heptafluoro-2-naphthyl prop-2-enyl ether: Formation of 1,3,4,5,6,7,8-heptafluoro-1-(prop-2-enyl)naphthalen-2-one and the photolysis and pyrolysis of this ketone [1].
作者:Gerald M. Brooke、Raymond S. Matthews、Nigel S. Robson
DOI:10.1016/s0022-1139(00)82368-4
日期:1980.11
5,6,7,8-heptafluoro- 1-(prop-2-enyl)naphthalen-2-one (9). Photolysis of (9) gave 2,5,7-trifluoro-3,4-(tetrafluorobenzo)tricyclo[3.3.1.O2,7]non-3- en-6-one (11) (by a [2 + 2] addition) and 1,2,7-trifluoro-3,4- (tetrafluorobenzo) tricyclo [3.3.1.O2,7]non-3-en-8-one (12) (via an initial [3,5] photochemically-allowed sigmatropic shift). Pyrolysis of (9) at 455° also gave (11), while at 490°, both (9) and
1,3,4,5,6,7,8-七氟-2-萘丙-2-烯醚(8)在沸腾的二甲苯中异构化为1,3,4,5,6,7,8-七氟- 1-(丙-2-烯基)萘-2-酮(9)。(9)的光解反应得到2,5,7-三氟-3,4-(四氟苯并)三环[3.3.1.O 2,7 ] non-3- en-6-one(11)(通过[2 + 2]加成)和1,2,7-三氟-3,4-(四氟苯并)三环[3.3.1.O 2,7 ] non-3-en-8-one(12)(通过开头的[3, 5]光化学允许的σ位移。(9)在455°上热解也得到(11),而在490°时(9)和(11)都得到1-氟乙烯基4,5,6,7,8-五氟-1-萘基酮(19) 。