THE DOMINANT ROLE OF ELECTRIC-FIELD AND THE QUESTIONABLE ROLE OF ANISOTROPY EFFECTS OF SINGLE-BOND SUBSTITUENTS IN H-1-NMR SHIFTS - SHIELDING MECHANISMS OF AND STERIC DISTORTIONS IN SOME MONOSUBSTITUTED STEROIDS

被引：21

作者：

GSCHWENDTNER, W ^{[1
]}

SCHNEIDER, HJ ^{[1
]}

机构：

[1] UNIV SAARLAND,FACHRICHTUNG ORGAN CHEM 141,D-6600 SAARBRUCKEN 11,FED REP GER

来源：

JOURNAL OF ORGANIC CHEMISTRY | 1980年 / 45卷 / 17期

关键词：

D O I：

10.1021/jo01305a027

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

引用

页码：3507 / 3510

页数：4

共 46 条

[1] CONFORMATIONAL-ANALYSIS .125. IMPORTANCE OF TWOFOLD BARRIERS IN SATURATED MOLECULES [J].

ALLINGER, NL ;

HINDMAN, D ;

HONIG, H .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1977, 99 (10) :3282-3284

[2]

Appleman B. R., 1974, ADV MAG RESONANCE, V7, P231, DOI DOI 10.1016/B978-0-12-025507-8.50010-3

[3] CHEMICAL SHIFT .5. FURTHER STUDIES ON LONG-RANGE SHIELDING EFFECTS OF C-H AND C=O BONDS [J].

APSIMON, JW ;

BEIERBECK, H .

CANADIAN JOURNAL OF CHEMISTRY-BACK YEAR, 1971, 49 (09) :1328-+

[4] NMR - CHEMICAL SHIFT .4. ANISOTROPIES OF CARBONYL GROUP [J].

APSIMON, JW ;

DEMARCO, PV ;

MATHIESO.DW .

TETRAHEDRON, 1970, 26 (01) :119-&

[5] CHEMICAL SHIFT .2. ANISOTROPIES OF CARBON-CARBON DOUBLE BOND [J].

APSIMON, JW ;

CRAIG, WG ;

DEMARCO, PV ;

MATHIESO.DW ;

SAUNDERS, L ;

WHALLEY, WB .

TETRAHEDRON, 1967, 23 (05) :2357-+

[6] CHEMICAL-SHIFT .7. LONG-RANGE SHIELDING EFFECTS OF CYANO GROUP [J].

APSIMON, JW ;

BEIERBECK, H ;

TODD, DK .

CANADIAN JOURNAL OF CHEMISTRY-BACK YEAR, 1972, 50 (14) :2351-+

[7] SUBSTITUENT INCREMENTS FOR H-1-NMR CHEMICAL-SHIFTS OF 18-METHYL AND 19-METHYL PROTONS OF STEROIDS .2. 9-ALPHA, 10-BETA(NORMAL)-STEROIDS [J].

ARNOLD, W ;

MEISTER, W ;

ENGLERT, G .

HELVETICA CHIMICA ACTA, 1974, 57 (06) :1559-1567

[8] STEROIDS AND WALDEN INVERSION .11. ACETOLYSIS OF THE COPROSTANYL HALIDES [J].

BRIDGEWATER, RJ ;

SHOPPEE, CW .

JOURNAL OF THE CHEMICAL SOCIETY, 1953, (JUN) :1709-1715

[9] MAGNETIC DESHIELDING OF PROTONS DUE TO INTRAMOLECULAR STERIC INTERACTIONS WITH PROXIMATE HYDROGENS [J].

CHENEY, BV .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1968, 90 (20) :5386-&

[10]

DAVIS AK, 1973, TETRAHEDRON LETT, P413

← 1 2 3 4 5 →