Annual Reports on NMR Spectroscopy, Vol. 14 by G. A. Webb

By G. A. Webb

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98 288 8 E s5’ e 2. 48. 88 ~~ ~~~ Ref. 2 Ref. 0 s- r --? 3 0, U 3 p' m N p' m N W 3 u! - v 3 3 I W 2 I 2 W 22 m m N 5 h Fluorine nuclei in a CF3group bonded to C 2 m CL! - ~ Molecular formula Chemical shifts (ppm) Structure of compounds NH N I q2CF3 R’ = R2 = H Coupling constants (Hz) Ref. 7 Ref. 2 Ref. 0 302(b) 5=. Isomer [a] (2) -80 or -81 (4) -61 (6) -106 Isomer [b] (2) -82 (4) -62 (6) -114 C I O F l 3H,02 C10F14 (3) -61 311 (5) -81 or -80 (3) -62 (5) -82 (1) -64 (3) -110 (2) -67 (4) -124 (1) -80 (3) -67 (5) -70 (2) -118 (4) -53 (1- ) 20, 12 331 311 3 Ec.

3 0, 275 1. 5 Coupling constants (Hz) Ref. 98 288 8 E s5’ e 2. 48. 88 ~~ ~~~ Ref. 2 Ref. 0 s- r --? 3 0, U 3 p' m N p' m N W 3 u! - v 3 3 I W 2 I 2 W 22 m m N 5 h Fluorine nuclei in a CF3group bonded to C 2 m CL! - ~ Molecular formula Chemical shifts (ppm) Structure of compounds NH N I q2CF3 R’ = R2 = H Coupling constants (Hz) Ref. 7 Ref. 2 Ref. 0 302(b) 5=. Isomer [a] (2) -80 or -81 (4) -61 (6) -106 Isomer [b] (2) -82 (4) -62 (6) -114 C I O F l 3H,02 C10F14 (3) -61 311 (5) -81 or -80 (3) -62 (5) -82 (1) -64 (3) -110 (2) -67 (4) -124 (1) -80 (3) -67 (5) -70 (2) -118 (4) -53 (1- ) 20, 12 331 311 3 Ec.

9 $. 0 Ref. 4 (4-5) -0 (1-3) 4 (2-4) 19 (3-5) 33 E. 4 220 215 w N Molecular formula Structure of compounds Chemical shifts (ppm) Coupling constants (Hz) Ref. 03 289(e) 289(e) 728 3 e 0 B. 9. 0 (4A-4B) 228 262(a) Molecular formula Structure of compounds Chemical shifts (ppm) Coupling constants (Hz) Ref. 8 Ref. N Ref. 8 I f r m N . CH~CI As above with S replaced by Se. 5 (4-5) 8 249 P 0 B. 3 0, 275 1. 5 Coupling constants (Hz) Ref. 98 288 8 E s5’ e 2. 48. 88 ~~ ~~~ Ref. 2 Ref. 0 s- r --? 3 0, U 3 p' m N p' m N W 3 u!

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