Robert E. Sievers's Nuclear Magnetic Resonance Shift Reagents PDF

By Robert E. Sievers

ISBN-10: 0126430500

ISBN-13: 9780126430509

ISBN-10: 0323150993

ISBN-13: 9780323150996

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Wright, Quart. , (London), 2 1 , 109 (I967). 13. L. ll*, J . K . M . 15. F. Helmholz, J . Amer. Sanders and 1*22 (I970). Richardson Chem. E. J , S i e v e r s , Chem. I n o r g . , 10, 1*98 ( 1 9 7 1 ) . Ae Muhs 17. J , J . Brooks 18. i n press. V. A. Chem. 93, 6319 (1971)· 16. 19. T. 1*697 (1962). E. Hinckley, Amer. A. J . and Boyd, J . C C Chem. , Chromatog. Hinckley, 81*, S e i . , J . Amer. V. Smith, Tet. L e t . , 10, 879 (1972). 20. A. B a l e v i , M. Nussim, and A. Ron, J . Chem. S o c , 866 (1963).

Toronto, Dyer, 1972· June A n a l y t i c a l J r . , A . H . Bruder, R o c k e f e l l e r , Chapter Ik. 11. J . S e i b i n , N. Ahmad and N. Bhacca, I n o r g . , 10, 1383 ( I 9 7 I ) . 12. E,L. M u e t t e r t i e s and C M . Wright, Quart. , (London), 2 1 , 109 (I967). 13. L. ll*, J . K . M . 15. F. Helmholz, J . Amer. Sanders and 1*22 (I970). Richardson Chem. E. J , S i e v e r s , Chem. I n o r g . , 10, 1*98 ( 1 9 7 1 ) . Ae Muhs 17. J , J . Brooks 18. i n press. V. A. Chem. 93, 6319 (1971)· 16.

O t h e r New S h i f t Reagents W h i l e t h e c h e l a t e s of f o d o r d i n a r i l y f u n c t i o n q u i t e e f f e c t i v e l y a s L e w i s a c i d s , t h e r e may b e i n s t a n c e s i n w h i c h e v e n more a c i d i c s h i f t r e a g e n t s a r e d e s i r e d f o r u s e w i t h v e r y weak n u c l e o p h i l e s . By m a i n t a i n i n g a p e r f l u o r o p r o p y l g r o u p a t o n e e n d of t h e l i g a n d a n d s u b s t i t u t i n g f l u o r i n e s f o r methyl g r o u p s , Richardson and S i e v e r s ( 1 5 ) have c r e a t e d t h e h i g h l y a c i d i c and s o l u b l e l a n t h a n i d e c h e l a t e s of 1,1,1,5,5,6,6,7,7,7-decafluoro-2,4-heptanedione 27 D.

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Nuclear Magnetic Resonance Shift Reagents by Robert E. Sievers


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