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1

AB INITIO STUDIES OF HINDERED ARYL ROTATIONS OF METHAQUALONE, MECLOQUA LONE, AND 3-(2,6-DIFLUOROPHENYL)-2-METHYL-4(3H)-QUINAZOLINONE

Azanli, Erol, Rothchild, Robert, Sapse, Anne-Marie

Journal:

Spectroscopy Letters

Year:

2002

Language:

english

File:

PDF, 288 KB

english, 2002

2

Easily accessible experiments demonstrating interference

Polak, Robert D., Fudala, Nicolette, Rothchild, Jason T., Weiss, Sam E., Zelek, Marcin

Journal:

The Physcis Teacher

Year:

2016

Language:

english

File:

PDF, 392 KB

english, 2016

3

Determining Enantiomeric Excess by Direct NMR Methods and by Indirect Methods

Robert Rothchild

Journal:

The Chemical Educator

Year:

1996

Language:

english

File:

PDF, 47 KB

english, 1996

4

1 H NMR Spectral Simplification with Chiral Solvating Agents and with Achiral and Chiral Lanthanide Shift Reagents. Cis -4,5-Dihydro-4-Methyl-5-Phenyl-2-Oxazolamine, “ Cis -4-Methylaminorex,” a Potent Stimulant and Anorectic

Caldwell, Gary W., Rothchild, Robert, Valentin, Iraida

Journal:

Spectroscopy Letters

Year:

1990

Language:

english

File:

PDF, 667 KB

english, 1990

5

Assignment of 13 C Resonances in the Phencyclone-Norbornadiene Adduct Via 2D NMR. 13 C Evidence for Hindered Rotation of Unsubstituted Bridgehead Phenyl Rings

Xu, Yangdong, LaPlanche, Laurine A., Rothchild, Robert

Journal:

Spectroscopy Letters

Year:

1993

Language:

english

File:

PDF, 578 KB

english, 1993

6

Introduction to forensic science: An advanced elective for high schools

Horan, James, Rothchild, Robert

Journal:

Journal of Chemical Education

Year:

1980

Language:

english

File:

PDF, 2.38 MB

english, 1980

7

1 H NMR Spectral Simplification with Achiral and Chiral Lanthanide Shift Reagents. 2-Methyl-3-(2′-Hydroxymethylphenyl)-4(3 H )-Quinazolinone, A Major Metabolite of Methaqualone

Poropatich, Andrea, Rothchild, Robert

Journal:

Spectroscopy Letters

Year:

1990

Language:

english

File:

PDF, 486 KB

english, 1990

8

NMR Studies of Hindered Rotation. The Diels-Alder Adduct of Phencyclone with p -Benzoquinone: Restricted Motion of Bridgehead Phenyls

Callahan, Ronald, Rothchild, Robert, Wyss, Helen

Journal:

Spectroscopy Letters

Year:

1993

Language:

english

File:

PDF, 415 KB

english, 1993

9

Heroin Cut with Morphine?: An Ethnographic-Forensic Chemistry Case Study

Wendel, Travis, Rothchild, Robert, Curtis, Ric, Corcoran, Kelly A., Hanlin, Tracy, Eng, Bruce, Zedeck, Morris S.

Journal:

Addiction Research & Theory

Year:

2003

Language:

english

File:

PDF, 209 KB

english, 2003

10

NMR Studies of Drugs. Methaqualone. Approaches to Rigorous 1 H and 13 C Assignments with Applications of Achiral and Chiral Shift Reagents

Blumenstein, Michael, Ross, Joel, Rothchild, Robert

Journal:

Spectroscopy Letters

Year:

1990

Language:

english

File:

PDF, 1.03 MB

english, 1990

11

1H NMR studies of drugs with achiral and chiral lanthanide shift reagents: Applications to the anticonvulsant pheneturide

Bridget Byrne, Robert Rothchild

Journal:

Year:

1999

Language:

english

File:

PDF, 163 KB

english, 1999

12

Apparent postnatal onset of some manifestations of the Wiedemann-Beckwith syndrome

David Chitayat, Avi Rothchild, Emily Ling, J. M. Friedman, Robert M. Couch, Siu-Li Yong, Virginia J. Baldwin, Judith G. Hall

Journal:

American Journal of Medical Genetics Part A

Year:

1990

Language:

english

File:

PDF, 819 KB

english, 1990

13

Multinuclear NMR studies and ab initio structure calculations of hindered phencyclone diels-alder adducts from symmetrical cyclic dienophiles: Cyclohexene, vinylene carbonate, vinylene trithiocarbonate and two N-aryl maleimides

Ronald Callahan, Orlando Ramirez III, Kerstin Rosmarion, Robert Rothchild, Kevin C. Bynum

Journal:

Journal of Heterocyclic Chemistry

Year:

2005

Language:

english

File:

PDF, 321 KB

english, 2005

14

Optical purity determination and 1H NMR spectral simplification with lanthanide shift reagents. IV. Mephobarbital, 1-methyl-5-ethyl-5-phenylbarbituric acid

John Avolio, Robert Rothchild

Journal:

Journal of Magnetic Resonance (1969)

Year:

1969

Language:

english

File:

PDF, 286 KB

english, 1969

15

The solvent extraction of copper(II), cobalt(II), and nickel(II) with diacetyl-bis-(2-quinolylhydrazone)

Selman A. Berger, Robert Rothchild

Journal:

Microchemical Journal

Year:

1988

Language:

english

File:

PDF, 615 KB

english, 1988

16

Optical purity determination and 1H NMR spectral simplification with lanthanide shift reagents—VI. Methohexital, α-dl-5-allyl-1-methyl-5-(1-methyl-2-pentynyl) barbituric acid

Robert Rothchild, Paul Simons

Journal:

Spectrochimica Acta Part A: Molecular Spectroscopy

Year:

1984

Language:

english

File:

PDF, 403 KB

english, 1984

17

Optical purity determination and 1H NMR spectral simplification with lanthanide shift reagents — V. Mephenytoin, 5-ethyl-3-methyl-5-phenyl-2,4-imidazolidinedione

John Avolio, Robert Rothchild

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

1984

Language:

english

File:

PDF, 437 KB

english, 1984

18

Quantitative NMR assay for aspirin, phenacetin, and caffeine mixtures with 1,3,5-trioxane as internal standard

Suzanne Thomson Eberhart, Alexander Hatzis, Robert Rothchild

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

1986

Language:

english

File:

PDF, 620 KB

english, 1986

19

1H NMR spectral simplification with achiral and chiral lanthanide shift reagents. Tranylcypromine, trans-2-phenylcyclopropanamine

Alexander Hatzis, Robert Rothchild

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

1986

Language:

english

File:

PDF, 640 KB

english, 1986

20

Optical purity determination and 1H-NMR spectral simplification with lanthanide shift reagents — VIII. An indacrinone precursor, 6,7-dichloro-5-methoxy-2-methyl-2-phenyl-1-indanone

Alexander Hatzis, Robert Rothchild

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

1986

Language:

english

File:

PDF, 463 KB

english, 1986

21

Optical purity determination, conformer populations and 1H NMR spectral simplification with lanthanide shift reagents — Part IX. A method for improved analytical precision for “DOEt”, 2,5-dimethoxy-4-ethylamphetamine

Alexander Hatzis, Robert Rothchild

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

1987

Language:

english

File:

PDF, 558 KB

english, 1987

22

1H NMR spectral simplification with achiral and chiral lanthanide shift reagents — IV. Thiopental and barbiturate analogues

Suzanne Thomson Eberhart, Alexander Hatzis, Jose Jimenez, Robert Rothchild, Paul Simons

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

1987

Language:

english

File:

PDF, 917 KB

english, 1987

23

An ab initio study of non-peptide glucagon receptor antagonists

Anne-Marie Sapse, Shannon Lawton, Robert Rothchild, Cecilia G. Unson

Journal:

Journal of Molecular Structure: THEOCHEM

Year:

2003

Language:

english

File:

PDF, 297 KB

english, 2003

24

Spectral simplification in proton magnetic resonance spectrometry for 3-(4-aminophenyl)-3-ethyl-2,6-piperidinedione (aminoglutethimide) with achiral and chiral lanthanide shift reagents

Alexander Hatzis, Robert Rothchild, Paul Simons

Journal:

Analytica Chimica Acta

Year:

1987

Language:

english

File:

PDF, 608 KB

english, 1987

25

19F NMR studies of the Diels-Alder adduct of N-pentafluorophenylmaleimide with phencyclone. Hindered rotation about a N-6F5 bond

Kevin Bynum, Ron Prip, Ronald Callahan, Robert Rothchild

Journal:

Journal of Fluorine Chemistry

Year:

1998

Language:

english

File:

PDF, 718 KB

english, 1998

26

An ab initio study of the guanidinium groups in saxitoxin

Anne-Marie Sapse, Robert Rothchild, Kyu Rhee

Journal:

Journal of Molecular Modeling

Year:

2006

Language:

english

File:

PDF, 277 KB

english, 2006

27

Theoretical studies of the anti-tumor drug FR900482

Anne-Marie Sapse, Robert Rothchild, Duli C. Jain, Gabriel A. Hernandez

Journal:

Journal of Molecular Modeling

Year:

2007

Language:

english

File:

PDF, 136 KB

english, 2007

28

Syntheses of Phencyclone Analogues. Applications for NMR Studies of Hindered Rotations and Magnetic Anisotropy in Crowded Diels–Alder Adducts

Ronald Callahan, Kimberly Marshall, Robert Rothchild, Kerstin Rosmarion

Journal:

The Chemical Educator

Year:

2001

Language:

english

File:

PDF, 734 KB

english, 2001

29

Synthesis of Diels—Alder Adducts of Phencyclone and NMR Studies of Hindered Rotations of Unsubstituted Bridgehead Phenyls: Microscale Experiments in Organic Chemistry

RONALD CALLAHAN, KEVIN BYNUM, RON PRIP, ROBERT ROTHCHILD

Journal:

The Chemical Educator

Year:

1998

Language:

english

File:

PDF, 1.20 MB

english, 1998

30

1H, 13C, and 19F NMR studies of phencyclone adducts of N-(polyhalophenyl)maleimides: evidence for dynamic NMR in maleamic acids: Ab initio calculations for optimized structures

Kimberly Marshall, Kerstin Rosmarion, Olga Sklyut, Nikolay Azar, Ronald Callahan, Robert Rothchild

Journal:

Journal of Fluorine Chemistry

Year:

2004

Language:

english

File:

PDF, 359 KB

english, 2004

31

NMR Studies of Drugs. Sulindac Methyl Ester. Applications of Achiral and Chiral Lanthanide Shift Reagents

Rothchild, Robert, Wyss, Helen

Journal:

Spectroscopy Letters

Year:

1993

Language:

english

File:

PDF, 562 KB

english, 1993

32

Histiocytosis X: Report of an oral soft tissue lesion without bony involvement

William K. Bottomley, Samir A. Gabriel, Russell L. Corio, Robert J. Jacobson, Neil Rothchild

Journal:

Oral Surgery, Oral Medicine, Oral Pathology

Year:

1987

Language:

english

File:

PDF, 3.36 MB

english, 1987

33

Optical Purity Determination and 1H NMR Spectral Simplification with Lanthanide Shift Reagents: Glutethimide, 3-Ethyl-3-phenyl-2, 6-piperidinedione, 1

Eberhart, Suzanne, Rothchild, Robert

Journal:

Applied Spectroscopy

Year:

1983

Language:

english

File:

PDF, 397 KB

english, 1983

34

Optical Purity Determination and 1H NMR Spectral Simplification with Lanthanide Shift Reagents III: Ethotoin, 3-Ethyl-5-Phenyl-2, 4-Imidazolidinedione

Avolio, John, Rothchild, Robert

Journal:

Applied Spectroscopy

Year:

1984

Language:

english

File:

PDF, 338 KB

english, 1984

35

Optical Purity Determination, Conformer Populations, an 1H NMR Spectral Simplification with Lanthanide Shift Reagents. Part VII: 3,4-Methylenedioxyamphetamine (MDA)

Avolio, John, Rothchild, Robert

Journal:

Applied Spectroscopy

Year:

1985

Language:

english

File:

PDF, 805 KB

english, 1985

36

1H NMR Spectral Simplification with Achiral and Chiral Lanthanide Shift Reagents. Part II: Ethosuximide, 3-Ethyl-3-Methyl-2,5-Pyrrolidinedione, and Comparisons with Analogs

Avolio, John, Eberhart, Suzanne Thomson, Rothchild, Robert, Simons, Paul

Journal:

Applied Spectroscopy

Year:

1986

Language:

english

File:

PDF, 789 KB

english, 1986

37

1H NMR Spectral Simplification with Achiral and Chiral Lanthanide Shift Reagents. Part III: Vinclozolin

Hatzis, Alexander, Rothchild, Robert

Journal:

Applied Spectroscopy

Year:

1986

Language:

english

File:

PDF, 310 KB

english, 1986

38

1H and 13C Nuclear Magnetic Resonance Studies of the Hindered Phencyclone Adducts of Some Samller Branched N-Alkyl Maleimides: Rigorous Aryl Proton Assignments with High-Resolution Two-Dimensional (COSY45) Spectroscopy, and Anisotropic Shielding Effects and Ab Initio Geometry Optimizations

Callahan, Ronald, Prip, Ron, Shariff, Navroz, Sklyut, Olga, Rothchild, Robert, Bynum, Kevin

Journal:

Applied Spectroscopy

Year:

2005

Language:

english

File:

PDF, 999 KB

english, 2005

39

Diels-Alder Adducts of 3,6-Dibromophencyclone with Symmetrical 1,4-Disubstituted-cis-2-butenes: Comparisons with the Adduct of Phencyclone and N-Benzylmaleimide, and One-Dimensional and Two-Dimensional Nuclear Magnetic Resonance Studies and Ab Initio Structure Calculations

Rosmarion, Kerstin, Tokhunts, Robert, Rothchild, Robert

Journal:

Applied Spectroscopy

Year:

2005

Language:

english

File:

PDF, 233 KB

english, 2005

40

Diels-Alder Adducts of 3,6-Dibromophencyclone with Short-Chain N-n-Alkylmaleimides: 1H and 13C Nuclear Magnetic Resonance Studies of Hindered Rotations and Magnetic Anisotropy, and Ab Initio Calculations for Optimized Structures

Rosmarion, Kerstin, Rothchild, Robert

Journal:

Applied Spectroscopy

Year:

2005

Language:

english

File:

PDF, 128 KB

english, 2005

41

Rotary evaporator repair

Rothchild, Robert

Journal:

Journal of Chemical Education

Year:

1982

Language:

english

File:

PDF, 422 KB

english, 1982

42

Efficient and cost-effective use of adjustable canopy hoods in a chemistry laboratory

Rothchild, Robert

Journal:

Journal of Chemical Education

Year:

1988

Language:

english

File:

PDF, 976 KB

english, 1988

43

An organic chemistry experiment for forensic science majors

Rothchild, Robert

Journal:

Journal of Chemical Education

Year:

1979

Language:

english

File:

PDF, 1.65 MB

english, 1979

44

Use of a convenient disposable filter "tip" with a Pasteur filter pipet for microscale laboratory techniques

Rothchild, Robert

Journal:

Journal of Chemical Education

Year:

1990

Language:

english

File:

PDF, 502 KB

english, 1990

45

Chiral lanthanide NMR shift reagents and equilibria with substrate enantiomers: Rationale for the observed signals

Rothchild, Robert

Journal:

Journal of Chemical Education

Year:

1989

Language:

english

File:

PDF, 1.88 MB

english, 1989

46

NMR Studies of Drugs. Rimantadine. Rigorous 1 H and 13 C Assignments and Applications of Lanthanide Shift Reagents

Blumenstein, Michael, Ross, Joel, Rothchild, Robert

Journal:

Spectroscopy Letters

Year:

1990

Language:

english

File:

PDF, 832 KB

english, 1990

47

NMR Studies of Hindered Rotation of Unsubstituted Bridgehead Phenyl Rings in the Phencyclone - Norbornadiene Adduct

LaPlanche, Laurine A., Xu, Yangdong, Benshafrut, Ronnie, Rothchild, Robert, Harrison, Ernest A.

Journal:

Spectroscopy Letters

Year:

1993

Language:

english

File:

PDF, 724 KB

english, 1993

48

A forensic science laboratory experiment: Molecular weights of drugs and diluents by osmometry

Rothchild, Robert

Journal:

Journal of Chemical Education

Year:

1982

Language:

english

File:

PDF, 1.71 MB

english, 1982

49

Endocapsular triple procedure—a new triple procedure technique

Keates, Richard H., Rothchild, Eric J., Bloom, Robert

Journal:

Journal of Cataract & Refractive Surgery

Year:

1989

Language:

english

File:

PDF, 1.45 MB

english, 1989

50

The Fiscal Costs of a Basic Human Needs Strategy

Robert L. Curry Jr. and Donald Rothchild

Journal:

The Journal of Modern African Studies

Year:

1980

Language:

english

File:

PDF, 318 KB

english, 1980