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Dive into the research topics where Alan P. Marchand is active.

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Featured researches published by Alan P. Marchand.


Journal of Magnetic Resonance | 1972

NMR studies of rigid bicyclic systems. IV. NMR evidence regarding the nature and extent of molecular (polar solute-aromatic solvent) interactions in solution

Alan P. Marchand; William R Weimar; Anna L Segre; Arthur M Ihrig

Abstract The NMR spectrum of 1,4,7,7-tetrachloro-2,2,3,3-tetradeuterionorbomane (Ib) has been obtained in monosubstituted benzene solvents. The AA′BB′ NMR patterns of Ib thus obtained have been analyzed with the aid of the LAOCOON III computer program. The results of this analysis compared with the results of a similar solvent effect study involving Ib and 2-substituted-m-xylenes as solvents suggest the importance of the resonance contribution of the substituent X to the overall aromatic solvent effect. The Engler-Laszlo general solvation model appears to offer the best overall explanation of these results. Prior observations regarding the solvent effect of pyridine on the NMR spectrum of Ib have been reexamined and explained in terms of the general solvation picture.


Tetrahedron Letters | 1969

NMR Studies of rigid bicyclic system. II. evidence for the nonequivalence of , and , coupling constant in 7-substituted-1, 4-dichloro-2,2,3,3-tetra-deuterionorbornanes.

Alan P. Marchand; Nancy W. Marchand; Anna L Segre


Tetrahedron Letters | 1971

NMR studies of rigid bicyclic systems. III. Assignment of chemical shift values in the NMR spectrum of norbornane

Alan P. Marchand; Nancy W. Marchand


Tetrahedron Letters | 1977

On the stereochemistry of the reaction of 7-substituted norbornadienes with iron carbonyls. I. Reaction of Fe(CO)5 with 7-t-butoxynorbornadiene

Alan P. Marchand; Bob R. Hayes


Tetrahedron Letters | 1968

1,2-Cyclobutanediones I. The synthesis and reactions of tricyclo[4.4.2.01,6]-Dodeca-3,8-diene-11,12-dione. [4.4.2]propella-3,8-diene-11,12-dione.

Jordan J. Bloomfield; J. R. Smiley Irelan; Alan P. Marchand


Journal of Mass Spectrometry | 1980

Mass spectral studies of some derivatives of 7‐azanorbornane and 2‐azabicyclo‐[2.2.2]octane

Alan P. Marchand; Robert W. Allen


Tetrahedron Letters | 1975

Anomalous lithium aluminum hydride reduction of carbon—carbon double bonds in 7-azabicyclo(2.2.1)heptenyl systems

Alan P. Marchand; Robert W. Allen


Tetrahedron Letters | 1975

Hexacyclo(5.4.0.02,6.04,11.05,9.08,10)undecane: A new C11H12 hydrocarbon

Alan P. Marchand; Teh-Chang Chou; Michael Barfield


Archive | 1972

SYNTHESIS AND STRUCTURAL ANALYSIS

Roland E. Lehr; Alan P. Marchand


Tetrahedron Letters | 1977

Kinetically controlled protonation as an aid to conformational analysis of the syn-anti (nitrogen inversion) equilibrium in 7-azanorbornenes and 5-azabicyclo[2.2.2]octenes.

Alan P. Marchand; Robert W. Allen

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Anna L Segre

Carnegie Mellon University

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Arthur M Ihrig

Texas Christian University

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