1H, 13C NMR, IR and MS Spectral data for Benzoin

Slides:



Advertisements
Similar presentations
17.1 Mass Spectrometry Learning Objectives:
Advertisements

Spectroscopy Molecules move Movement can be monitored with electromagnetic radiation, e.g. light.
Table 12-1, p. 425.
NMR. Obtaining a 13 C NMR Spectrum 1 H Broadband decoupling –Gives singlet 13 C peaks, provided no F, P, or D present in the molecule) –Continuous sequence.
Nuclear Magnetic Resonance Spectrometry Chap 19. Identification of Compounds with NMR Can be used organics, organometallics, and biochemical molecules.
The molecular formula is C 5 H 8. What is the structure?
Chem 440/540 Advanced Organic Spectroscopy Introduction What spectroscopic techniques would be useful in determining the structure of this compound? H-1.
C13 NMR 1H 13C 15N 19F Common nuclei which have a magnetic moment:
Adrienne Borchardt. Overview  What are quantum dots?  Applications  Metal salt study  pH adjustment study CdSe.
C ARBON -13 NMR SPECTROSCOPY Analyse carbon-13 NMR spectra to make predictions about the different types of carbon atoms present. Predict the chemical.
Nuclear Magnetic Resonance ANIMATED ILLUSTRATIONS MS Powerpoint Presentation Files Uses Animation Schemes as available in MS XP or MS 2003 versions A class.
Infrared Spectroscopy and Mass Spectroscopy
CHEM 344 Spectroscopy of Organic Compounds Lecture 1 4th and 5 th September 2007.
Mass spectroscopy – learning objectives Outline the early developments in mass spectrometry. Outline the use of mass spectrometry in the determination.
Short Answer: 1) What type of electromagnetic radiation is used in nuclear magnetic resonance? radio 2) What is the most abundant peak in a mass spectrum.
Intro to Spectroscopy Ch 12: Spectral Unknown HDI (Hydrogen Deficiency Index) Lecture Problem 1 Due This week in lab: Ch 4: Recrystallization & Melting.
S1. S2 S3 trans limonene oxide m/z % Scan EI+ 1.09e
MS Calibration for Protein Profiles We need calibration for –Accurate mass value Mass error: (Measured Mass – Theoretical Mass) X 10 6 ppm Theoretical.
SDBS Integrated Spectral Database for Organic Compounds Sample Search for Chemistry 130 Grace Baysinger and Dr. Dave Keller.
Identification of Organic Compounds by GC/MS, IR & NMR Marcela James.
Section Spectroscopic Analysis of Amines
Combined techniques problems L.O.:  Analyse absorptions in an infrared spectrum to identify the presence of functional groups in an organic compound.
Drs. Wei Tian & Yanhui Chen Sep-Dec Main Content General Introduction of Mass spectrometry (MS) Time of Flight Mass Spectrum ( TOF-MS ) (Key point)
MzGroupAnalyzer tutorial last updated: February 2014.
Menu We will look at some of the major peaks in the mass spectrum of butane.
Chapter 13 Nuclear Magnetic Resonance Spectroscopy
NMR: Information Obtained from a Spectrum
12. Structure Determination: Mass Spectrometry and Infrared Spectroscopy Based on McMurry’s Organic Chemistry, 6 th edition.
Reference Information Unless otherwise noted, all mass spectral data was obtained from: National Institute of Standards and Technology (NIST) Standard.
MC 13.3 Spectroscopy, Pt III 1 Introduction to Mass Spectrometry (cont) Principles of Electron-Impact Mass Spectrometry:  A mass spectrometer produces.
18.16 Decarboxylation of Malonic Acid and Related Compounds
C 3 H 4 O Practice Problem 1. 2 m/z = 128 (M) m/z = 113 m/z = 58 m/z = 43.
Infra-Red and Mass Spectroscopy Webquest Modern Analytical Techniques.
Figure S1. MS and MS/MS spectra of in vitro laccase-catalyzed polymerization of 2,7-DHN. (A) MS spectrum of the enzymatic reaction; (B) Collision induced.
1 Increasing frequency CH 2 =CH-CH=CH 2 Absorption spectrum for 1,3-butadiene.
STRUCTURAL DETERMINATION MASS SPECTRUM (MS) LAB 12.
M/z Raebiger, Dietz and Alford Very careful studies All one-photon ionised !
In carbon-13 NMR, what do the number of peaks represent? The number of chemically different carbon atoms present.
Mass Spectral Data of the Products from Unknowns A-D Chemistry 283g- Experiment 5 Electrophilic Aromatic Substitution: A Friedel-Craft Acylation Reaction.
“Structure Elucidation”-Comprehensive Spectral Interpretation
Section Spectroscopic Analysis of Aldehydes and Ketones
Aspirin Chapter 14.
Additional data file 5A.
S2 Fig. Ion suppression for aniline, 4-aminopyridine and 4-aminobenzontrile Left: ESI-MS response in presence of 1 mM different, pH-modifying electrolytes.
Supporting Information
Organic Chemistry Lesson 18 Mass spectrometry.
Figure 1. Phenethylamine 1H FT-NMR Spectrum in CDCl3 at 400 MHz.
FH2O2Resonance [α]λ SN1E1 ME2SOCl2 TS Enan R. Chem Fall, 2014
Section Spectroscopic Analysis of Phenols
Chapter 9: Spectroscopic Identification of Organic Compounds
Section Spectroscopic Analysis of Carboxylic Acids
Lecture 22 Introduction to Mass Spectrometry Lecture Problem 7 Due
الفعل ورد الفعل ♠ ♠ ♠ مجلس أبوظبي للتعليم منطقة العين التعليمية
from W. Demtröder “Molecular Physics”
MS Review.
IR/MS Key.
The mass spectrum shown above belongs to one of the isomer of pentane Determine the position of parent peak and base peak. What fragment.
Mass Spectrometry.
Nuclear Magnetic Resonance
MASS RELATIONSHIPS IN CHEMICAL REACTIONS.
Organic Chemistry Chapter 9 Solomons • Fryhle • Snyder
Advanced Pharmaceutical Analysis H1 NMR Examples
Advanced Pharmaceutical Analysis 13 C NMR
Chemistry 283g- Experiment 5
NMR Spectroscopy of Epoxides
Week 13 Analyse absorptions in an infrared spectrum to identify the presence of functional groups in an organic compound. Analyse molecular ion peaks and.
Chemistry 283g Experiment 1.
Compound is first vaporized and converted into ions, which are then separated and detected. Electron Impact (EI) Mass Spectrometry 1.
from W. Demtröder “Molecular Physics”
Missing MS2 transition My trouble is, when the PRM raw file was imported, most of transition was not extracted, but all precursors were extracted, even.
Presentation transcript:

1H, 13C NMR, IR and MS Spectral data for Benzoin

Disappears on addition of D2O

Nothing below 75 ppm

Mass spectrum of benzoin 27.0 3.7 29.0 3.0 39.0 5.1 50.0 8.9 51.0 30.4 52.0 4.5 53.0 2.7 63.0 2.9 74.0 2.3 76.0 2.9 77.0 75.8 78.0 11.9 79.0 48.1 80.0 3.2 105.0 100.0 106.0 11.1 107.0 63.6 108.0 4.9 165.0 1.5 212.0 (m/z)3.2 Peak data mass intensity m/z = 212

1H and 13C NMR Spectroscopic Data for the Grignard addition product of the reaction of benzoin with CH3MgI (you will get a mass spectrum and will obtain your own IR)

1H NMR Spectrum expansion Disappears on addition of D2O

13C NMR Spectrum CDCl3 product CDCl3 CDCl3