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全书4个压缩卷,解压后7.91M
% c' d- V% b; w, [8 ]+ x2 a书名Nuclear Magnetic Resonance applications to organic chemistry
" |: ^. J' v9 Y9 r3 p作者John ID. Roberts / B0 m# f" J% `; w
出版社McGRAW-HILL BOOK COMPANY, IN0 M& y, v. }5 K- n
出版日期1959
. K2 }* L L( n/ G: B出版号 58-13888
9 [3 Y$ Q8 c2 \0 F/ L页数133) m, r+ f: d) w9 o' d# M' `/ B
内容简介) | ?4 L8 u( _: U( i: f7 U
This brief book is the outgrowth of some forty lectures in which it was 2 ~: F2 c3 r4 ]1 t) J# D
attempted to explain the phenomenon of nuclear magnetic resonance
! U0 m; z' c4 c& ?4 Z6 ^absorption and the uses of high-resolution nuclear magnetic resonance ' P c! `8 h8 z1 ^# L
spectroscopy to organic chemists whose background, like that of the # A) T8 H3 ]/ d) i
author, has often been deficient in nuclear and-qlectromagnetic theory.
- y) p- H* M& NQuite a number of suggestions were received for presentation of the # F0 }+ T8 q' T- k4 d! l
material in printed form with illustrations based on the lecture slides. $ C* b1 d6 v9 c* l2 b5 Q
This has now been done, and it is hoped that the result will bepf service & a, }8 ?# x' \; G& l
o practicing chemists and students as a guide to various applic+ns of
0 B: }0 H* _) q6 v! ANMR spectroscopy and an introduction to more authoritative works. , n0 R) N- A$ P) E# ]0 O: N: z" h
Throughout, the coverage is illustrative rather than comprehensive. 2 b6 m5 U# y" M7 l8 r# m
目录
. v* @2 r$ M' k1 . Introduction . The Nuclear Resonance Phenomenon # O+ [! I3 p* ?2 |' ]. p, y5 F8 g! e& Z
1.1 . Introduction ........... ; n) ~( h. ]2 t2 d+ q, b
1.2 . Nuclear Magnetic Resonance Spectrometers .
* i. a+ L3 v! X9 \% Y1.3 . Magnetic Properties of Nuclei . Nuclear Spin 6 O3 k7 m5 Z7 N- a% y0 G" e
1.4 . Magnetic Quantum Numbers ......
9 X+ Z5 D- W( P- A1.5 . Nuclear Precession ......... * y4 E; x4 @6 G; [
1.6 . Nuclear Relaxation ......... 7 c+ o+ m0 A$ n
1.7 . Longitudinal Relaxation, TI ...... ' [# \6 g U) z5 }- C+ z" x+ A
1.8 . Transverse Relaxation, T, ....... - y D- ?1 g$ j; L
1.9 . The Nuclear Resonance Signal .....
0 ^4 ^5 b9 ]0 m. {# G, ^1.10 . Relaxation Effects on NMR Signals ....
* r( G# w4 K4 C6 _1 S1.11 . Properties of Magnetic Nuclei of Interest to & U$ p' f9 ]) ^3 v# \4 {. \
Organic Problems .......... 8 ?& M- { @( n( p0 _/ R; @- m
2 . The Chemical Shift ..............
! E+ O, r' V6 P* X5 X2.1 . Introduction . The Chemical-shift Parameter ....
1 z% v9 p/ Q( R2.2 . Measurement of Chemical Shift . .......
: e8 A) Y, k ~/ y) O |# p2.3 . Some Factors Which Influence 6 .......
% l+ S$ r# Z6 D5 e0 O" p% S2.4 . Chemical Shifts for Other Nuclei .......
$ |& V5 |1 D$ C+ ?% x! t2.5 . Proton 6 Values and Electronegativity ......
. N! S) q- `! u/ `( a' H% d( r2.6 . 6 and Hammett's a Constants .........
$ ?$ |* Y9 q) j7 X1 v, h; U: E2.7 . Resonance Signal Areas and Widths ......
" C9 d7 O& ~( S7 K$ f2.8 . Chemical Shifts and Organic Structure Determinations . 5 @+ ^( ^) G4 S, E" ]& w2 D
General Considerations ..........
- i2 k( v4 H1 C9 N5 x9 f9 {2.9 . Illustrative Analysis of a Reaction Product .... z$ L7 ^4 V1 [* Q
2.10 . Accentuation of Chemical Shifts by Paramagnetic Salts
8 W+ T3 G- Y' G! g/ A3 r3 . Spin-Spin Splitting ...........
0 ~) X$ i0 I4 |$ K5 o3.1 . The High-resolution Ethanol Spectrum ... ..... 42
9 _: D/ H4 S3 ~) H$ d8 |3.2 . Spin-Spin Splitting in a Single Crystal ... ..... 43
( I+ ^. W, f$ G* J6 ~3.3 . Spin-Spin Splitting in Liquids ...... ..... 45 / }% J/ i/ R; K* N W4 h
3.4 . Spin-Spin Splitting in the Ethyl Group ... ..... 46
6 |% ]5 G+ v5 t/ ]! g! a3.5 . More Complex Spin-Spin Splittings .... ..... 48
! P6 v7 N$ S3 ?5 H5 H/ w. }3.6 . Magnitudes of Coupling Constants .... ..... 53 ) G0 R' R9 y6 v/ n7 b
3.7 . Coupling between Equivalent and Nearly Equiv ,alent Protons . 55
% ~2 ~/ e# Z1 C g3 V3.8 . Spin-Spin Couplings in Rigid Systems ... .... 57
* V# c) {: [+ c$ z [# j3.9 . Spin-Spin Splitting and Molecular Asymmetry ..... 58 c! f+ U& G) _- ]" A. i
4 . Nuclear Magnetic Resonance and Reaction Kinetics ..... 61 5 i$ I$ C- b1 Z, Y* ]. k
4.1 . Introduction . Proton Exchange in Water-Acetic 9 ]$ [ o& U( c! y" o; }
Acid Mixtures ................ 61 8 w8 V Z' }. E6 D6 O
4.2 . Relationship between Resonance Line Shapes and 1 ?: }0 Y4 H m" u
Exchange Rates ............... 63
3 t, N6 W' g6 A' ?4.3 . Proton Exchange in Ethanol-Water Mixtures ..... 64 % N; s# X7 P2 O0 `
4.4 . Ethyl Acetoacetate and Its En01 Form ........ 67
6 N& H- m) @. j/ h8 W8 ]6 Z4.5 . Rates of Rotation Around 40-N< Bonds of Amides ... 69 3 h6 g2 o; V0 K a
4.6 . Restricted Rotation in Ethane Derivatives ...... 71
; G5 }# y* I4 q( x0 q4.7 . Nitrogen Inversion Frequencies of Cyclic Imines .... 74
4 X* B8 G' ?3 I) k4.8 . Proton Exchange in Ammonia and Ammonium Ions ... 76
" o; a2 _" V3 b+ g& Z5 . Nuclear Quadrupole Relaxation Effects . Double Resonance ... 80
! W. h, e8 X; l, v: @9 _( U5.1 . Proton Resonance Line Broadening by 1iN ...... 80
^( a8 ^3 t }. N$ t5.2 . Nuclear Quadrupoles and Quadrupole-induced Relaxation . . 81 + u- O0 W+ d. m& l" n
5.3 . Proton N-K Resonance of Pyrrole . Double Resonance . . 83 1 V2 R6 Q$ s# q0 s( ^* _- _
5.4 . Quadrupole-induced Relaxation with Other Nuclei .... 84 & \& M1 E- T/ V( u
5.5 . Applications of Double Resonance ......... 86
& X; @0 ]! q0 B7 SAppendix A . The Bloch Equations ............ 88 2 T9 b$ @/ `2 ]$ w8 h
Appendix B . Bibliography .............. 99
+ p2 H" m8 b+ A6 mAppendix C . Problems ................ 100 $ M! d' ~2 i+ |1 R+ h! B
Name Index ................... 111 ! B+ S" g) Q0 `$ a" q( e
Subject Index ................... 113 |
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