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Roger James Tull

Merck & Co.

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Publication

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Journal of The Chemical Society C: Organic | 1967

New synthesis of sulphonylureas

Roger James Tull; Robert C. O'Neill; Edmund P. McCarthy; James J. Pappas; John M. Chemerda

1-Alkyl-3-arylsulphonylureas have been synthesised by the reaction of sym-1,3-dialkylureas with aryl sulphonamides. The mixed sulphonylureas are formed in good yield by virtue of the symmetry possessed by the dialkylurea component.

Journal of Organic Chemistry | 1967

General synthetic system for 1,2,5-thiadiazoles

Leonard M. Weinstock; Paul Davis; Barry Handelsman; Roger James Tull

Journal of Organic Chemistry | 1976

Synthesis of the .beta.-adrenergic blocking agent timolol from optically active precursors

Leonard M. Weinstock; Dennis M. Mulvey; Roger James Tull

Archive | 1968

PROCESS FOR PREPARATION OF 1H-IMIDAZO-(4,5-B)PYRAZIN-2-ONES

Edward J. J. Grabowski; Edward W. Tristram; Roger James Tull

Journal of Organic Chemistry | 1979

Chemistry of hydrocyanic acid. 1. Formation and reactions of N-(aminomethylene)diaminomaleonitrile, a hydrocyanic acid pentamer and precursor to adenine

Richard F. Shuman; Willard E. Shearin; Roger James Tull

Archive | 1977

Solid-liquid phase transfer catalysis improved method of preparing 2,4-difluoroaniline

Roger James Tull; Leonard M. Weinstock; Ichiro Shinkai

Journal of Heterocyclic Chemistry | 1981

Phase-transfer catalysis in the N-benzylation of adenine

Ichiro Shinkai; M. C. Vander Zwan; Frederick W. Hartner; Robert A. Reamer; Roger James Tull; Leonard M. Weinstock

Archive | 1969

PROCESS FOR MAKING 1 2 5-THIADIAZOLES IN THE SINISTER CONFIGURATION

Dennis M. Mulvey; Roger James Tull; Leonard M. Weinstock

Archive | 1973

2-Bromo-2-bromomethylglutaronitrile

Ronald Harmetz; Roger James Tull

Tetrahedron Letters | 1966

A general synthetic system for 1,2,5-thiadiazoles

Leonard M. Weinstock; Paul Davis; Barry Handelsman; Roger James Tull

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Leonard M. Weinstock

Merck

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Dennis M. Mulvey

Merck

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Edward W. Tristram

Merck

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Peter I. Pollak

Merck

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John M. Chemerda

Merck

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Paul Davis

Merck

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Richard F. Shuman

Merck

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David G. Melillo

Merck

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Edward J. J. Grabowski

Merck

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Ichiro Shinkai

Kyushu University

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