'Electron withdrawing groups' presentation slideshows

CHEM 344

CHEM 344. Spectroscopy of Organic Compounds Lecture 1 18 June 2007. Modern Spectroscopic Methods. Revolutionized the study of organic chemistry Can determine the exact structure of small to medium size molecules in a few minutes

1.19k views • 71 slides

Phenols

Phenols. Infrared Spectrum of p -Cresol. H. H. H O. C H 3. H. H. 10.0. 9.0. 8.0. 7.0. 6.0. 5.0. 4.0. 3.0. 2.0. 1.0. 0. Proton NMR. Chemical shift ( ? , ppm). 13 C NMR. O H. O CH 3. 128.5. 155.1. 159.7. 115.5. 114.0. 129.8. 129.5. 121.1. 120.7.

647 views • 38 slides

Nitration of Methyl Benzoate

Nitration of Methyl Benzoate. Multistep Synthesis. 50%. 50%. C. B. A. Yield =. 25%. Nucleophilic Aliphatic Substitution. Electrophilic Aromatic Substitution. ARENE SUBSTITUTION. E +. + H +. The electrophile REPLACES H +. E - Y. + H +. Charge o and p. Nitration of Benzene.

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Olefin Metathesis

572 views • 19 slides

Acknowledgments: This work was supported by AFOSR and MBRCT grants.

S 1. h n. B. m BQ. m 10. h n. Q. h n. m Q0. h n. S 0. 0. 3. Peak 2PA cross section in Soret region of COR-1 and COR-4 is almost the same as that of COR-3. Only COR-2 demonstrate ~ 60% increase in s 2 , which is slightly above the experimental error margins.

107 views • 1 slides