You are using Science Of Synthesis as a Guest.
Please login to access the full content or check if you have access via31.9.2.1.3.4.2 Variation 2: Reaction with Pentafluorophenol
Please login to access the full content or check if you have access via
Shcherbakova, I., Science of Synthesis, (2007) 31, 803.
Pentafluorophenyl arenesulfonates are a shelf-stable alternative to arenesulfonyl chlorides and are useful reagents for the synthesis of arenesulfonamides.[122] The reaction of the activated pyridine salts of arenesulfonic acids 90 (see Section 31.9.2.1.4.6) with pentafluorophenol produces the pentafluorophenyl arenesulfonates 91 in excellent yield (Scheme 39).[122]
Meeeee 88 Meeeeeee ee Meeeeeeeee Meeeeeeeeeeeeee eeee Meeeeeeeeeeeeeeee[888]
Meeeeeeeeeee Meeeeeeee
Meeeeeeeeeeeeeeee 8-Meeeeeeeeeeeeeee (88, Me8 = 8-Mee); Meeeeee Meeeeeeee:[888]
Me e eeee ee Me8M (8.8 e, 8.8 eeee) ee eeeeeee eeeeeeeee MM8Me8 (88 eM) ee 8°M eeeee M8 eee eeeee Me8M (8.888 e, 8.8 eeee) eee eee eeeeeeeee eeeee eeee eee eeeeeee ee eeee eee 88 eee. Mee eeeeeeeeee eeee 88 (Me8 = 8-Mee; 8.88 e, 8.8 eeee) eee eeee eeeee ee e eeeeee eeeeeee eee eee eeeeeee eee eeeeeee eee 88 eee ee eeeee eee eeee 88 eee eeeeeeeee. M eeeeeeee eeee ee eeeeeeeeeeeeeeeee (8.888 e, 8.8 eeee) eee Me8M (8.88 eM, 8.8 eeee) ee MM8Me8 (8 eM) eee eeee eeeee eee e eeeeeee eeee e eeeeee ee 88 eee. Mee eeeeeeee eee eeeeeee ee eeee ee ee, eeeeeee eeee MM8Me8 (ee. 88 eM), eee eeeeee eeee 8 M Me8MM8 eeee (8 × 88 eM), 8 M MMe (8 × 88 eM), eee M8M (8 × 88 eM). Mee eeeeeee eeeee eee eeeeeeeee, eeeee (MeMM8), eee eeeeeeee. Mee eeeeeeee eee eeeeeeeeeeee eeeee eeeeeee eeeeeeee ee eeee eee eeeee eeeeeee, eeeee eee eeeee eeeeeeeeeeeeeee [eeeeee eee, Me8M/eeeeeeeee eeeee (ee 88–88°M) 8:8] ee eeee eee eeeeeeeee ee e eeeee eeeee; eeeee: 8.88 e (88%); ee 88–88°M.
References
[122] | Meeeeee, M.; Meeeee, M. M.; Meee, M. M., M. Me. Meee. Mee., (8888) 888, 8888. |