By Maurice Shamma, David M. Hindenlang (auth.)
The goal of this e-book is to assemble lower than one disguise many of the facts shortly on hand at the carbon-13 nuclear magnetic resonance (cmr) spectra of alkaloids. The time period "alkaloids" is used the following in a truly wide experience to incorporate artificial analogues of the normal items. easy version amines also are included given that those frequently offer the elemental info required within the task of chemical shifts for the extra complicated compounds. The literature on alkaloid cmr spectroscopy has been coated via 1977, however the collec tion of compounds offered here's illustrative instead of exhaustive. The papers incorporated within the reference checklist have enough money additional info not just at the cmr assignments of the actual compounds supplied the following, but additionally contain information on extra similar buildings. just a couple of dimeric indole alkaloids are incorporated in view that to a wide volume their cmr spectra will be corre lated at once with these in their monomeric analogues. the current quantity is therefore a consultant empirical compendium of cmr assignments focusing upon alkaloids and version amines, and is meant to help cmr learn in heterocyclic and alkaloid chemistry. The compounds and knowledge offered during this publication are categorised and arranged based on structural similarity. the aim of this sort of presenta tion is to illustrate the typical cmr features of a given structural kind, whereas additionally facilitating an empirical overview of the cmr spectral alterations particularly because of rather minor diversifications in oxidation point, substitution, or stereochemistry.
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Extra info for Carbon-13 NMR Shift Assignments of Amines and Alkaloids
1 Ref. 5 Ref. 40 7. 9 Ref. 21 148 Tropinone Ref. 6 a 55 Ref. 21 56 150 7. 6 H Ref. 3 ". ::7 OH Ref. 9CH3 ...... ,~ ~, ~::: C 6 H 5 COO' H Ref. 3CH........ Hs Ref. 4CH. 6 Ref. 2CH. 2 I # 155 •1 o-C-C o H 136 1 . 8 Ref. 42; see also Ref.
7 1489 . Ref. 3CH 3 Ref. 18 25 4. PYRIDINES 60 Nornicotine o - ". 3 4 . 0 25 . ---;;:. 6 Ref. ---;;:. 4 N H ·2HCIO. Ref. 1 0 Ref. 19 26 63 4. 2 434" . 2 Ref. 1 N Ref. 19 5. 3 N H Ref. 21; see also Refs. 22, 23 66 N-Methylpiperidine On. 4 Ref. 21; see also Refs. 2 H Ref. 21; see also Refs. 22, 23 27 5. 0 N H Ref. 23; see also Ref. 9 H Ref. 23; see also Ref. 9 Ref. 21; see also Refs. 22, 24 5. 4 Ref. 7CRa Ref. 5 "'R R Ref. 23; see also Ref. 22 30 74 5. '" N H "'H Ref. 6 Ref. 0 Ref. 23 5. 2 Ref. 1 Ref.
22 32 80 5. 2 I CR. Ref. 9~ CR. 3 Ref. 2 CR. 4 Ref. 22 33 5. 7 l N 52. 7 CHa Ref. 5 CH2 0H Ref. 5 Ref. 21 34 86 5. 9 OR 34.! 0 Ref. 3l CR3 s.! 6 Ref. 27 88 1-Methyl-4-phenylpiperidine Ref. 28 35 5. PIPERIDINES 89 1-Metbyl-4-pbenylpiperidin-4-o1 OR Ref. 3 Ref. 5 Ref. 28 36 92 5. PIPERIDINES 1,3-Dimetbyl-4-pbenylpiperidin-4-o1 (a; isomer) OR Ref. 2 Ref. 3 2 6 . 9 CR 3 Ref. 24; see also Ref. 18 5. 1 Ref. 7 N I CH3 Ref. 0CH 3 Ref. 24 5. 2 N I 4UCHa Ref. 9 a Ref. 8 Ref. 29 S. PIPERIDINES 101 39 3-Carbomethoxy-A2-piperideine Q:roorn.
Carbon-13 NMR Shift Assignments of Amines and Alkaloids by Maurice Shamma, David M. Hindenlang (auth.)