Reactions of cycloalkanecarboxylic acids with SF4. IV. Fluorination of cyclohexanedicarboxylic acids with SF4
作者:A.N. Alexeenko、V.P. Nazaretian
DOI:10.1016/0022-1139(94)03135-5
日期:1994.12
Fluorination of trans-cyclohexan-1,2-dicarboxylic acid with SF4 yields a cyclization product with a trans configuration, 7,7,9,9-tetrafluoro-trans-8-oxabicyclo[4.2.0]nonane. On heating 7,7,9,9-tetrafluoro-cis-8-oxabicyclo[4.2.0]nonane with HF, trans-2-trifluoromethylcyclohexanecarbonyl fluoride and trans-1,2-bis-(fluoroformyl)cyclohexane are obtained as major products. Cyclization was not observed
用SF 4
氟化反式-环己基-1,2-二
羧酸可生成具有反式构型的环化产物7,7,9,9-四
氟-反式-8-氧杂双环[4.2.0]
壬烷。将7,7,9,9-四
氟-顺式-8-氧杂双环[4.2.0]
壬烷与HF一起加热,得到反式-2-三
氟甲基环己烷羰基
氟和反式-1,2-双-(
氟甲酰基)
环己烷作为主要产物。在顺式-环己-1,3-二
羧酸与SF 4
氟化时未观察到环化。