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1

Examination of a Meerwein Reaction for an Intramolecular Isotope Effect with Carbon-14 1

Ropp, Gus A., Raaen, Vernon F.

Journal:

Journal of the American Chemical Society

Year:

1954

Language:

english

File:

PDF, 136 KB

english, 1954

2

Studies Involving Isotopically Labelled Formic Acid and its Derivatives. 1 III. Positive and Negative Ions Produced by Electron Impact in Formic Acid and Deuteroformic Acids

Ropp, Gus A., Melton, C. E.

Journal:

Journal of the American Chemical Society

Year:

1958

Language:

english

File:

PDF, 484 KB

english, 1958

3

Preparation of Ethyl Acetate-2-C 14 and n-Butyl Acetate-2-C 14 Using Alkyl Phosphates 1

Journal:

Journal of the American Chemical Society

Year:

1950

Language:

english

File:

PDF, 147 KB

english, 1950

4

Studies 1 of Some Carbon-14 Isotope Effects in Organic Chemistry

Ropp, Gus A., Raaen, Vernon F., Weinberger, Arthur J.

Journal:

Journal of the American Chemical Society

Year:

1953

Language:

english

File:

PDF, 536 KB

english, 1953

5

ISOTOPIC EVIDENCE FOR THE MECHANISMS OF DECARBONYLATION OF THREE CARBOXYLIC ACIDS IN SULFURIC ACID

Journal:

Journal of the American Chemical Society

Year:

1958

Language:

english

File:

PDF, 143 KB

english, 1958

6

Carbon-13 Isotope Fractionation as a Criterion of the Mechanism of Bromodecarboxylation of 3,5-Dibromo-4-hydroxybenzoic Acid

Grovenstein, Erling, Ropp, Gus A.

Journal:

Journal of the American Chemical Society

Year:

1956

Language:

english

File:

PDF, 442 KB

english, 1956

7

Errors in quantitative tracer studies: Examples resulting from isotopic dilution after synthesis

Journal:

Journal of Chemical Education

Year:

1957

Language:

english

File:

PDF, 4.47 MB

english, 1957

8

Additions and Corrections: Studies Involving Isotopically Labelled Formic Acid and its Derivatives. IV. Detection of Cyanide Ion (CN - )in a Mixture of Formic Acid and Nitrogen in the Mass Spectrometer.

Melton, C, Ropp, Gus

Journal:

Journal of the American Chemical Society

Year:

1958

Language:

english

File:

PDF, 106 KB

english, 1958

9

Studies Involving Isotopically Labelled Formic Acid and its Derivatives. 1 II. Relation of the Absolute Reaction Rates to the Magnitudes of the Isotope Effects in the Oxidation of Formic-C 13 Acid by Halogen Atoms

Ropp, Gus A., Danby, C. J., Dominey, D. A.

Journal:

Journal of the American Chemical Society

Year:

1957

Language:

english

File:

PDF, 665 KB

english, 1957

10

STUDIES 1 INVOLVING ISOTOPICALLY LABELLED FORMIC ACID AND ITS DERIVATIVES. IV. DETECTION OF CYANIDE (CN - ) IN A MIXTURE OF FORMIC ACID AND NITROGEN IN THE MASS SPECTROMETER

Melton, C. E., Ropp, Gus A.

Journal:

Journal of the American Chemical Society

Year:

1958

Language:

english

File:

PDF, 148 KB

english, 1958

11

The Application of Isotope Dilution Technique in Studies of Reaction Rates and Equilibria: The Effect of Diene Structure on the Rate of the Diels-Alder Reaction

DeWitt, Elmer J., Lester, Charles T., Ropp, Gus A.

Journal:

Journal of the American Chemical Society

Year:

1956

Language:

english

File:

PDF, 391 KB

english, 1956

12

A Study of the Accuracy Obtained in Van Slyke Combustion and Radioassay of Carbon-14 Compounds 1

Collins, Clair J., Ropp, Gus A.

Journal:

Journal of the American Chemical Society

Year:

1955

Language:

english

File:

PDF, 252 KB

english, 1955

13

EXAMINATION OF THE IODOFORM AND SCHMIDT REACTIONS OF ACETONE-1-C 14 FOR ISOTOPE EFFECTS

Ropp, Gus A., Ronner, William A., Clark, Marion T., Raaen, Vernon F.

Journal:

Journal of the American Chemical Society

Year:

1954

Language:

english

File:

PDF, 244 KB

english, 1954

14

The Determination of the Isotope Effect and its Variation with Temperature in the Dehydration of Formic-C 14 Acid 1,2

Ropp, Gus A., Weinberger, A. J., Neville, O. Kenton

Journal:

Journal of the American Chemical Society

Year:

1951

Language:

english

File:

PDF, 374 KB

english, 1951

15

A Comparison of the Magnitudes of the Isotope Intermolecular Effects in the Decarboxylations of Malonic-1-C 14 Acid and Malonic-2-C 14 Acid 1 at 154°

Ropp, Gus A., Raaen, Vernon F.

Journal:

Journal of the American Chemical Society

Year:

1952

Language:

english

File:

PDF, 368 KB

english, 1952

16

Studies Involving Isotopically Labeled Formic Acid and its Derivatives. 1,2 V. Studies of the Decarbonylation of Formic, Benzoylformic and Triphenylacetic Acids in Sulfuric Acid

Journal:

Journal of the American Chemical Society

Year:

1960

Language:

english

File:

PDF, 1.37 MB

english, 1960

17

Notes - Reaction of t-Butylmagnesium Chloride with a Number of Alkyl Aryl Ketones

Ropp, Gus, Kennedy, Robt., Landrum, B., Lester, Chas.

Journal:

Journal of Organic Chemistry

Year:

1958

Language:

english

File:

PDF, 397 KB

english, 1958

18

The Action of Aluminum Chloride on Ethyl-β-C 14 -benzene 1a,b

Roberts, Royston M., Ropp, Gus A., Neville, O. Kenton

Journal:

Journal of the American Chemical Society

Year:

1955

Language:

english

File:

PDF, 581 KB

english, 1955

19

C 14 Tracer Studies in the Synthesis of Malonic Acid-2-C 14 and Diethyl Malonate-2-C 14 1

Journal:

Journal of the American Chemical Society

Year:

1950

Language:

english

File:

PDF, 416 KB

english, 1950

20

Reactions of 1-Phenyl-1,3-butadiene 1 with Acrylic Acid, Ethyl Acrylate and Methyl Vinyl Ketone

Ropp, Gus A., Coyner, Eugene C.

Journal:

Journal of the American Chemical Society

Year:

1949

Language:

english

File:

PDF, 371 KB

english, 1949

21

Isotope Fractionation Studies of Reactions with Cleavage of a Carbon-14 to Hydrogen Bond in the Rate-Determining Step

Ropp, Gus A., Hodnett, Ernest M.

Journal:

The Journal of Chemical Physics

Year:

1956

Language:

english

File:

PDF, 404 KB

english, 1956

22

Examination of the Isotope Effect in the Condensation of o-Benzoylbenzoic Acid-Carboxyl-C14 to Anthraquinone-9-C14

Journal:

The Journal of Chemical Physics

Year:

1955

Language:

english

File:

PDF, 316 KB

english, 1955

23

Mass Spectrometric Test for an Intermediate in a Photochemical Reaction Involving Chlorine

Ropp, Gus A., Melton, C. E., Rudolph, P. S.

Journal:

The Journal of Chemical Physics

Year:

1961

Language:

english

File:

PDF, 385 KB

english, 1961

24

Intramolecular Isotope Effects in the Reactions of Benzoic-α-C14 Anhydride

Raaen, Vernon F., Ropp, Gus A.

Journal:

The Journal of Chemical Physics

Year:

1953

Language:

english

File:

PDF, 384 KB

english, 1953

25

Mass Spectrometric Observation of Triatomic Ions in Chlorine and Bromine Gases

Melton, C. E., Ropp, Gus A., Rudolph, P. S.

Journal:

The Journal of Chemical Physics

Year:

1958

Language:

english

File:

PDF, 385 KB

english, 1958

26

Effect of Nuclear Substituents on the C14 Isotope Effect in the Saponification of Carboxyl-Labeled Ethyl Benzoates at 25°C

Ropp, Gus A., Raaen, Vernon F.

Journal:

The Journal of Chemical Physics

Year:

1952

Language:

english

File:

PDF, 364 KB

english, 1952

27

Dissociation of Formic Acid and Deuteroformic Acids by Ion‐Molecule Collision

Melton, C. E., Ropp, Gus A.

Journal:

The Journal of Chemical Physics

Year:

1958

Language:

english

File:

PDF, 544 KB

english, 1958

28

Studies Involving Isotopically Labeled Formic Acid and its Derivatives. 1 VI. Estimation of the Relative Ionization Constants of Formic Acid and Formic-d Acid at 24.0 ±0.5°

Journal:

Journal of the American Chemical Society

Year:

1960

Language:

english

File:

PDF, 392 KB

english, 1960

29

Reactions of 1-(p-Bromophenyl)-1,3-butadiene 1 and 1-(p-Nitrophenyl)-1,3-butadiene with Acrylic Acid and Ethyl Acrylate

Ropp, Gus A., Coyner, Eugene C.

Journal:

Journal of the American Chemical Society

Year:

1950

Language:

english

File:

PDF, 484 KB

english, 1950

30

ISOTOPIC STUDIES INVOLVING FORMIC ACID AND ITS DERIVATIVES. 1 VII. OXYGEN-18 ISOTOPE EFFECT IN THE PHOTOCHEMICAL REACTION OF FORMIC ACID WITH CHLORINE

Ropp, Gus A., Guillory, W. A.

Journal:

Journal of Physical Chemistry

Year:

1961

Language:

english

File:

PDF, 399 KB

english, 1961

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