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全书4个压缩卷,解压后7.91M& {9 c% t! U! Z0 I8 f% E5 {# ?4 N4 F/ P) e
书名Nuclear Magnetic Resonance applications to organic chemistry
/ k, f4 f& Q2 I# K作者John ID. Roberts $ U, q& N( c: [! F, M, _
出版社McGRAW-HILL BOOK COMPANY, IN$ n Z' _8 \: D% q7 g6 X% K
出版日期1959
& ?7 I, W' D+ L2 ]2 h7 s7 T1 b( a出版号 58-13888+ I0 g R, u% s, {( R2 s
页数133+ f# _* H, L; H' p
内容简介" `8 D9 z" o6 R$ x3 i% _, k* o
This brief book is the outgrowth of some forty lectures in which it was
/ e; K1 `& {$ V8 ~5 T4 tattempted to explain the phenomenon of nuclear magnetic resonance
/ N2 M2 Z, M, wabsorption and the uses of high-resolution nuclear magnetic resonance - |0 F7 R* M8 w. `- a$ n; l% ?
spectroscopy to organic chemists whose background, like that of the
! W8 E T- b) ?author, has often been deficient in nuclear and-qlectromagnetic theory. 8 ^, v% U' k ?- c h; V2 V% d
Quite a number of suggestions were received for presentation of the 6 |" i) D1 O5 c
material in printed form with illustrations based on the lecture slides.
: S" k0 V6 D0 F1 pThis has now been done, and it is hoped that the result will bepf service
- k- d8 V: J# y* B# T( N( ao practicing chemists and students as a guide to various applic+ns of - a9 m3 p/ ?. V. G3 }# |( X, f
NMR spectroscopy and an introduction to more authoritative works.
% f% Q$ N1 [3 ?7 T; A' I; U mThroughout, the coverage is illustrative rather than comprehensive.
. ?" L1 j$ j. p7 x/ g目录* O1 G s+ b3 D3 G
1 . Introduction . The Nuclear Resonance Phenomenon
, |+ s% i( V: F0 O1 q M1.1 . Introduction ........... 6 o0 R: | n) R6 P
1.2 . Nuclear Magnetic Resonance Spectrometers .
+ ^' P( e) [/ x6 j# F, ]' J3 ?' Y) U0 |1.3 . Magnetic Properties of Nuclei . Nuclear Spin ( }) z) L, ]' W1 t4 P' T
1.4 . Magnetic Quantum Numbers ...... h# G8 y9 q; }7 \' `/ o" n, A, _
1.5 . Nuclear Precession .........
) d! A( K. S- k# y6 \1.6 . Nuclear Relaxation .........
# T7 c3 M. Z0 a7 m. q( g! ^3 A/ l: v1.7 . Longitudinal Relaxation, TI ...... 2 C/ L( J6 E" [
1.8 . Transverse Relaxation, T, ....... $ r. ~. @# }1 l- ]; b/ w1 @, H3 t
1.9 . The Nuclear Resonance Signal .....
6 t' D$ Z) Y, q. z: m0 F1 s; `1.10 . Relaxation Effects on NMR Signals ....
* q7 w$ W$ G* S. J7 ?2 q" p/ M1.11 . Properties of Magnetic Nuclei of Interest to
% n1 B: h" _2 X4 b' qOrganic Problems .......... ! y/ W% P! ]* Q6 Z
2 . The Chemical Shift ..............
3 Q) n' s; C5 @* Q0 W1 ~4 c2.1 . Introduction . The Chemical-shift Parameter .... " S7 @3 o7 ^4 C. D7 s8 c6 U" x
2.2 . Measurement of Chemical Shift . ....... , @6 _0 w5 i; c X d0 G9 K! g. Q) R
2.3 . Some Factors Which Influence 6 .......
3 s6 i* V6 l, J" |2.4 . Chemical Shifts for Other Nuclei ....... * H" t, q! V, O9 s+ j$ z8 ?
2.5 . Proton 6 Values and Electronegativity ......
6 O+ X$ m( {' i7 ]" t) `6 g7 T' H2.6 . 6 and Hammett's a Constants ......... % q; x2 N) ^1 w6 h0 }1 M/ L
2.7 . Resonance Signal Areas and Widths ......
/ S. C0 s3 `* U$ A4 r2.8 . Chemical Shifts and Organic Structure Determinations .
0 z$ A! g2 m {. i5 t$ P- ]General Considerations ..........
/ O& j' \" h8 T3 O2.9 . Illustrative Analysis of a Reaction Product ....
5 n$ q7 ?4 w: s$ g+ o) i: J8 Z, q5 F2.10 . Accentuation of Chemical Shifts by Paramagnetic Salts + b3 X |: f9 D* O4 Z
3 . Spin-Spin Splitting ...........
) h! x$ G v' K) Z4 a3.1 . The High-resolution Ethanol Spectrum ... ..... 42
3 m- I4 s/ k/ c% B, ]3 X, Y3.2 . Spin-Spin Splitting in a Single Crystal ... ..... 43
$ v, G) q& ]; F) C g& p3.3 . Spin-Spin Splitting in Liquids ...... ..... 45
9 J7 Q& ^5 Y- M: D: K J# J/ r3.4 . Spin-Spin Splitting in the Ethyl Group ... ..... 46
2 u1 R( M( j& Q1 F7 ~9 X+ p5 y3.5 . More Complex Spin-Spin Splittings .... ..... 48 # @8 S1 t. z/ {% _- U
3.6 . Magnitudes of Coupling Constants .... ..... 53
3 b0 J; Z0 ]& r, ` d2 Y3.7 . Coupling between Equivalent and Nearly Equiv ,alent Protons . 55
5 X$ X1 N7 B+ |% {' B3.8 . Spin-Spin Couplings in Rigid Systems ... .... 57 4 b. y# y+ a. Z& o/ G& c1 M; o8 R
3.9 . Spin-Spin Splitting and Molecular Asymmetry ..... 58 ! _5 {2 l) p i/ f' | x; h. g
4 . Nuclear Magnetic Resonance and Reaction Kinetics ..... 61 5 }6 h0 E5 ^1 Z6 m3 T
4.1 . Introduction . Proton Exchange in Water-Acetic & G6 C$ F' a" f! b0 H
Acid Mixtures ................ 61
, a# [9 H b5 @4 X7 v9 q) U4.2 . Relationship between Resonance Line Shapes and
# ?' L) G! y8 m) X/ r- ]: X3 SExchange Rates ............... 63
1 k1 g. p" y, P8 b2 N4.3 . Proton Exchange in Ethanol-Water Mixtures ..... 64
a/ w' i: T3 C4 T+ S; g4.4 . Ethyl Acetoacetate and Its En01 Form ........ 67 0 E* ]+ Z& n2 C
4.5 . Rates of Rotation Around 40-N< Bonds of Amides ... 69
. B& _, W5 x3 h: z) f7 w! L8 H4.6 . Restricted Rotation in Ethane Derivatives ...... 71 9 \3 {" j# N1 B3 r8 ^; k
4.7 . Nitrogen Inversion Frequencies of Cyclic Imines .... 74 4 C& X- g9 o3 j) I9 b& _4 V
4.8 . Proton Exchange in Ammonia and Ammonium Ions ... 76
. q, I0 ] c" T5 . Nuclear Quadrupole Relaxation Effects . Double Resonance ... 80
0 e4 \1 U* S5 N- L5.1 . Proton Resonance Line Broadening by 1iN ...... 80
5 f+ v; H: a, U% R8 V- I" g6 `5.2 . Nuclear Quadrupoles and Quadrupole-induced Relaxation . . 81
1 a. u6 i4 x: W. N+ ]5 T5.3 . Proton N-K Resonance of Pyrrole . Double Resonance . . 83 8 f! H5 j+ E9 H J/ L
5.4 . Quadrupole-induced Relaxation with Other Nuclei .... 84
" O/ `0 }" ~! E5.5 . Applications of Double Resonance ......... 86
; T- V* X$ R; \% F$ T2 N# u, w+ GAppendix A . The Bloch Equations ............ 88 * r/ ?" ?; K$ }3 l8 I
Appendix B . Bibliography .............. 99
( {* s' `# D* B2 v2 MAppendix C . Problems ................ 100
0 l8 ^- K6 a" ~3 A! KName Index ................... 111
# Y+ W5 @/ L qSubject Index ................... 113 |
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