R. N. Butler

发表

Water: nature's reaction enforcer--comparative effects for organic synthesis "in-water" and "on-water".

A. Coyne, R. N. Butler, Anthony G Coyne, 2010, Chemical reviews.

Organic synthesis reactions on-water at the organic-liquid water interface.

A. Coyne, R. N. Butler, 2016, Organic & biomolecular chemistry.

Water and organic synthesis: a focus on the in-water and on-water border. Reversal of the in-water Breslow hydrophobic enhancement of the normal endo-effect on crossing to on-water conditions for Huisgen cycloadditions with increasingly insoluble organic liquid and solid 2π-dipolarophiles.

A. Coyne, R. N. Butler, William J. Cunningham, 2013, The Journal of organic chemistry.

THE DIAZOTIZATION OF HETEROCYCLIC PRIMARY AMINES

R. N. Butler, 2002 .

Recent Advances in Tetrazole Chemistry

R. N. Butler, 1977 .

Understanding "on-water" catalysis of organic reactions. Effects of H+ and Li+ ions in the aqueous phase and nonreacting competitor H-bond acceptors in the organic phase: on H2O versus on D2O for Huisgen cycloadditions.

A. Coyne, R. N. Butler, 2015, The Journal of organic chemistry.

Stable heterocyclic primary nitroso-amines

T. Lambe, R. N. Butler, J. Tobin, 1973 .

Water and the Huisgen Cycloaddition Reaction: A Focus on Polar Contributions to the Transition State in the Reactions of Dicyano(phthalazinium)methanide with Substituted Styrenes and Benzylidene Acetones

A. Coyne, R. N. Butler, William J. Cunningham, 2005 .

4.17 – Tetrazoles

R. N. Butler, 1996 .

A ceric ammonium nitrate N-dearylation of N-p-anisylazoles applied to pyrazole, triazole, tetrazole, and pentazole rings: release of parent azoles. generation of unstable pentazole, HN5/N5-, in solution.

R. N. Butler, L. Burke, J. C. Stephens, 2008, The Journal of organic chemistry.

Theoretical characterization of pentazole anion with metal counter ions. Calculated and experimental 15N shifts of aryldiazonium, -azide and -pentazole systems

R. N. Butler, L. Burke, J. C. Stephens, 2001 .

New entry to the imidazo[4,5-c]pyrazole system through photochemically induced sequential transformations of substituted pyrrolo[2,3-d]-1,2,3-triazoles: X-ray crystal structure of a substituted 1,3a,6,6a-tetrahydroimidazo[4, 5-c] pyrazole

D. O’Shea, A. M. Gillan, R. N. Butler, 1993 .

1,2,3-Triazolium-1-oxide, -1-imide and 1-methanide hetero-1,3,5-triene equilibrium: ab initio calculations. A new base induced ring expansion of 1-alkyl-1,2,3-triazolium salts to 2,3-dihydro-1,2,4-triazines and 1-amino-imidazoles via the 1,2,5-triazahexa-1,3,5-triene system. Azolium 1,3-dipoles

R. N. Butler, D. Cunningham, P. McArdle, 1992 .

A trans-folded alkene system: synthesis, structure and isomerization of 2,2′-diaryl-1,1′-bi(1,2-dihydrophthalazinylidenes)

A. M. Gillan, R. N. Butler, D. Cunningham, 1990 .

Extended tandem reactions of 2H-1,2,3-triazole N-oxides with dialkyl acetylenedicarboxylates and N-phenylmaleimide: substituted monocyclic 2,5-dihydro-1,2,3-triazines and new tetrahydrofuro[2,3-d]-1,2,3-triazoles. Azolium 1,3-dipoles part 5

R. N. Butler, D. Cunningham, P. McArdle, 1990 .

8π-Six-atom rings: 1,3,4,5-oxa- and -thia-triazines and 1,2,3,5-tetrazines from an extended tandem reaction: reactions of 1,2,3-triazolium-1-imides with (E)-cinnamaldehyde, methyl cyanodithioformate, and aryl-N-sulphinylamines: new tetrahydro-oxazolo[4,5-d]-1,2,3-triazoliumides and triazaspiro-[4.4]

R. N. Butler, D. Cunningham, P. McArdle, 1990 .

Azapropellanes: new fused tetra-azatriazolo[n.3.3.01,x]-dodecenes and tridecenes. Substituted 3,3a,4,5,6,6a-hexahydropyrrolo[2,3-d]-1,2,3-triazoles from a general tandem cycloaddition–rearrangement reaction of 1,2,3-triazolium imides with substituted alkenes: kinetics and mechanism: azolium 1,3-dipo

A. M. Gillan, R. N. Butler, D. Cunningham, 1990 .

New reactive fluorophores in the 1,2,3-triazine series

Alan G. Ryder, R. N. Butler, D. Cunningham, 2006 .

Recent Advances in Tetrazole Chemistry

R. N. Butler, 1977 .

Diazotization of heterocyclic primary amines

R. N. Butler, 1975 .

Stereoisomerization in heterocyclic hydrazones derived from 2-acylpyridines and their oxidative cyclization with mercury(II) acetate and lead tetra-acetate to fused 1,2,4-triazoles and 1,2,3-triazolium systems

R. N. Butler, S. M. Johnston, 1984 .

A rapid thermal cyclisation of ethane-1,2-bis-fatty amides and alcohol derivatives to Δ2-imidazolines with phenylphosphorodiamidate.

R. N. Butler, P. Moynihan, C. O'regan, 1979 .

Water: Nature′s Reaction Enforcer-Comparative Effects for Organic Synthesis “In-Water” and “On-Water”

A. Coyne, R. N. Butler, 2011 .

Ambident oxidative ring closure of semicarbazones

T. Lambe, R. N. Butler, F. Scott, 1971 .

A study of annular tautomerism, interannular conjugation, and methylation reactions of ortho-substituted-5-aryltetrazoles using carbon-13 and hydrogen-1 n.m.r. Spectroscopy

R. N. Butler, V. C. Garvin, 1981 .

Comparison of 13C and 1H N-alkyl shifts of isomeric alkyl tetrazoles: some ambident benzylations

R. N. Butler, J. Tobin, F. Scott, 1977 .

A Study of the Proton Nuclear Magnetic Resonance Spectra of Aryl and Mono- and Disubstituted N-Methylazoles

R. N. Butler, 1973 .

The reactions of phthalazinium-2-(unsubstituted)methanide and aryl(3-phenylprop-2-en-1-ylidene)ammoniomethanide 1,3-dipoles with some thioester and thioketone CS dipolarophiles. Regio- and stereo-chemistry: substituted thiazolo-[4,3-a]- and -[2,3-a]-phthalazines and 2- and 4-styryl substituted tetra

R. N. Butler, D. Cunningham, P. McArdle, 1998 .

Stereoisomeric Styryl-substituted Pyrrolidines, 3,7-Diazobicyclo[3.3.0]octanes and 2-Styrylpyrroles from Cinnamaldehyde Iminium-N-methanide 1,3-Dipoles

R. N. Butler, Derval M. Farrell, 1998 .

[1,2,3]Triazolo[4,5-d][1,3,2]thiazaphospholes: a new fused NPS ring system from a cycloaddition–rearrangement sequence with Lawesson’s reagent, a super dipolarophile

R. N. Butler, E. C. Mckenna, 1997 .

4.13 – Tetrazoles

R. N. Butler, 1984 .

First reversible protonation of the all-nitrogen 1-aryl pentazole ring

R. N. Butler, J. C. Stephens, John M. Hanniffy, 2004 .

Comparative reactions of nitrogen compounds with the isoelectronic series mercury(II), thallium(III), and lead(IV) acetates. Principles of oxidation reactions

R. N. Butler, 1984 .

4.25 – Pentazoles

R. N. Butler, 1996 .

Organic synthesis in water: 1,3-dipolar cycloaddition reactions at ambient temperature with aqueous suspensions of solid reactants

A. Coyne, R. N. Butler, Eamon M. Moloney, 2007 .

Kinetic and synthetic influences of water and solvent-free conditions on 1,3-dipolar cycloaddition reactions: the phthalazinium and pyridazinium dicyanomethanide 1,3-dipoles: surprisingly successful synthetic methods

A. Coyne, R. N. Butler, William J. Cunningham, 2002 .

endo/exo Facial selectivities in cycloaddition reactions of substituted 1,2,3-triazolium-1-methanides, unstabilised 1,3-dipoles, with some alkene dipolarophiles: models for 1,2,3-triazolium-1-aminides: new tetracyclic pyrrolo[1,2-c][1,2,3]benzotriazole structures: azolium 1,3-dipoles

R. N. Butler, L. Wallace, 2001 .

Competitive Reactivity of the Aryl Isothiocyanate Dipolarophile at N=C versus C=S with Nucleophilic 1,3‐Dipoles: A Combined Experimental and Theoretical Study. The Reactions of Substituted 1,2,3‐Triazolium‐1‐aminide 1,3‐Dipoles with Aryl Isothiocyanates: New Tricyclic Thiazolo[4,5‐d][1,2,3]triazoles

R. N. Butler, L. Burke, P. D. McDonald, 1998 .

Competitive reactivity of the aryl isothiocyanate dipolarophile at NC versus CS with nucleophilic 1,3-dipoles: a combined experimental and theoretical study. The reactions of substituted 1,2,3-triazolium-1-aminide 1,3-dipoles with aryl isothiocyanates: new tricyclic thiazolo[4,5-d][1,2,3]triazoles

R. N. Butler, L. Burke, P. D. McDonald, 1997 .

Substituted tetrahydro imidazo[4,5-d][1,2,3]triazoles and hexahydrobutanoimidazo[4,5-d][1,2,3]triazoles from the reaction of 1,2,3-triazolium-1-imides with aryl isocyanates and isothiocyanates. Azolium 1,3-dipoles

R. N. Butler, D. Colleran, 1992 .

The influence of water on the rates of 1,3-dipolar cycloaddition reactions: trigger points for exponential rate increases in water-organic solvent mixtures. Water-super versus water-normal dipolarophiles.

A. Coyne, R. N. Butler, William J. Cunningham, 2004, Journal of the American Chemical Society.

Reactions of lead tetraacetate with substituted azomethines

R. N. Butler, T. O'mahony, F. Scott, 1973 .

Reactions of bromine and lead tetra-acetate with 2-(substituted hydrazino)-5-phenyl-1,3,4-oxadiazoles: routes to 3-aryl-6-phenyl-1,2,4-triazolo[3,4-b][1,3,4]oxadiazoles

T. Lambe, R. N. Butler, F. Scott, 1972 .

The synthesis of fused triazolo-oxadiazoles

T. Lambe, R. N. Butler, F. Scott, 1971 .

The reactions of lead tetra-acetate with substituted benzothiazolylhydrazones

R. N. Butler, F. Scott, P. O'sullivan, 1971 .

The reactions of substituted 2-alkyl-2H-tetrazol-5-ylhydrazones with bromine and lead tetra-acetate: routes to 6-aryl-1-methyl[1,2,4]triazolo[4,3-d]tetrazoles

R. N. Butler, F. Scott, 1968 .

Synthesis and solvolysis of arylidene-1-methyl-1H-tetrazol-5-yl-hydrazidic bromides: a route to 6-aryl-3-methyl[1,2,4]triazolo[4,3-d]-tetrazoles

R. N. Butler, F. Scott, 1967 .

The reactions of lead tetra-acetate with substituted hydrazones

R. N. Butler, F. Scott, 1966 .

Synthese von 5‐Aryl‐1‐methyl‐[1,2,4]‐triazolo‐[4,3‐d]tetrazolen

D. Cronin, R. N. Butler, F. Scott, 1965 .

Sequential attack by a diketone on a polyhydrazine; the reaction of triaminoguanidine with acetylacetone

R. N. Butler, R. D. Scott, F. Scott, 1970 .

Organic Synthesis Reactions On‐Water at the Organic—Liquid Water Interface

A. Coyne, R. N. Butler, 2016 .

Steric Reversal of the endo-Selectivity Effect in 1,3-Dipolar Cycloadditions of Phthalazinium-2-ylides with N-Substituted Maleimides: endo- and exo-1,2-(Dicarboxy-N-substituted imido)-1,2,3,10b-tetrahydropyrrolo[2,1-a]phthalazines†

R. N. Butler, Derval M. Farrell, 1998 .

A dipole moment study of annular tautomerism in 5-p-tolyltetrazole

R. N. Butler, H. Lumbroso, J. Curé, 1980 .

Regioselectivity and endo/exo selectivity in the cycloadditions of the phthalazinium dicyanomethanide 1,3-dipole with unsymmetrical alkene and alkyne dipolarophiles. Unexpected reversals of regiochemistry: a combined experimental and DFT theoretical study

A. Coyne, R. N. Butler, D. Cunningham, 2001 .

Comparative reactions of nitrogen compounds with the isoelectronic series mercury(II), thallium(III), and lead(IV) acetates. Principles of oxidation reactions

R. N. Butler, 1984 .

Tricyclic phenanthrene systems: substituted phenanthro[9,10-e]-1,2,3-triazines and fused phenanthro-azolo-1,2,3-triazoles from cycloaddition—rearrangement sequences of 9,10-bisarylazophenanthrenes with 2π-dipolarophiles. Azolium 1,3-dipoles

R. N. Butler, D. Cunningham, P. McArdle, 1996 .

New phenanthrene systems: spiro-fused tricyclicphenanthro-1,2,4-triazolo-[4,3-d]-1,2,4-triazines and-[3,4-d]-1,2,5-oxadiazines: ring expansions ofN-methylphenanthroazoliums

R. N. Butler, D. Cunningham, P. McArdle, 1997 .

Pentazole chemistry: the mechanism of the reaction of aryldiazonium chlorides with azide ion at –80 °C: concerted versus stepwise formation of arylpentazoles, detection of a pentazene intermediate, a combined 1H and 15N NMR experimental and ab initio theoretical study

R. N. Butler, L. Burke, Anthony Fox, 1998 .

ISOMERISM AND LEAD(IV) ACETATE OXIDATION REACTIONS OF P-SUBSTITUTED PHENYLOSAZONES OF SOME SUBSTITUTED GLYOXALS AND 1,2-DIKETONES. REACTIONS OF METALLIC ACETATES WITH NITROGEN COMPOUNDS. PART 5

R. N. Butler, Michael G. Cunningham, 1980 .

Transformations of selenadiazoliumyl-N-unsubstituted methanides (ylides) to new divinyl selenide derivatives and substituted 1,3,5-selenadiazines. Organoselenium systems from azolium 1,3-dipoles

R. N. Butler, Anthony Fox, 2001 .

A new ring interconversion: 3-azido-1,2,4-thiadiazoles from the reaction of thionyl chloride with 1-alkyl-5-aminotetrazoles

R. N. Butler, D. O'donoghue, G. O'halloran, 1986 .

Aromatic systems with 10π electrons derived from 3a-azapentalene. Part 37. Cyclization of the anion of azido-s-triazole into the anion of s-triazolo[2,3-d]tetrazole

J. Elguero, R. Claramunt, R. N. Butler, 1979 .

A new synthesis of aryl isothiocyanates: carbon disulfide as a dipolarophile. The reaction of (4,5,6,7-tetrahydro-2H-1,2,3-benzotriazolium-1-yl)arylaminide 1,3-dipoles with carbon disulfide: synthesis, kinetics, mechanism. Azolium 1,3-dipoles

R. N. Butler, L. Wallace, 2000 .

Detection of a metallo-intermediate and geometrical isomerizations in an oxidative cyclisation of a heterocyclic hydrazone with mercury (II) acetate

R. N. Butler, S. M. Johnston, 1981 .

The reactions of substituted benzothiazol-2-ylhydrazones with bromine: a route to s-triazolo[3,4-b][1,3]benzothiazoles

R. N. Butler, F. Scott, P. O'sullivan, 1972 .

DETECTION OF A METALO INTERMEDIATE AND GEOMETRICAL ISOMERIZATIONS IN AN OXIDATIVE CYCLIZATION OF A HETEROCYCLIC HYDRAZONE WITH MERCURY(II) ACETATE

R. N. Butler, S. M. Johnston, 1981 .

Spirally twisted imidazolium iminyl ylide structures from 1,2-rearrangements in reactions of imidazolium dicyanomethanide 1,3-dipoles with maleic anhydride: new perspectives on the Boekelheide–Fedoruk ring expansions

R. N. Butler, Eamon M. Moloney, D. Cunningham, 2006 .

Reactions of mercury(II) acetate with nitrogen compounds. Part 3. Contrasting reactions of mercury(II) and lead(IV) acetates with some semicarbazones: bis(5,6-diphenyl-1,2,4-triazin-3-onato)mercury

R. N. Butler, A. Hanahoe, A. M. O'Donohue, 1979 .

Uncharacteristic thione behavior in a huisgen cycloaddition reaction : a kinetic and theoretical study

A. Coyne, R. N. Butler, P. McArdle, 2007 .

The reactions of 1,2,3-triazolium-1-imides with dipolarophiles: kinetics and mechanism. Azolium 1,3-dipoles

R. N. Butler, L. Burke, F. Lysaght, 1992 .

REACTIONS OF FATTY ACIDS WITH AMINES, PART 3. THERMAL REACTIONS OF OLEIC AND ELAIDIC ACIDS (CIS- AND TRANS-OCTADEC-9-ENOIC ACIDS) WITH SOME 1,2-DIAMINES: READY REVERSIBILITY OF IMIDAZOLINE FORMATION

R. N. Butler, P. Moynihan, J. Thornton, 1981 .

Sequential nature of the thermal reaction of stearic acid with some 1,2-diamines

R. N. Butler, P. Moynihan, C. O'regan, 1976 .

An unusual substituent effect in a cycloaddition of an azolium ylide 1,3-dipole: An inverted V-shaped hammett plot

R. N. Butler, L. Burke, D. C. Grogan, 1997 .

Oxidative fragmentation of 3-aryl-1-(tetrazol-5'-yl)triazenes: a new route to aryl diazocyanides

R. N. Butler, Declan P. Shelly, 1985 .

First generation of pentazole (HN5, pentazolic acid), the final azole, and a zinc pentazolate salt in solution: A new N-dearylation of 1-(p-methoxyphenyl) pyrazoles, a 2-(p-methoxyphenyl) tetrazole and application of the methodology to 1-(p-methoxyphenyl) pentazole.

R. N. Butler, L. Burke, J. C. Stephens, 2003, Chemical communications.

Synthesis of arylidene-2-methyl-2H-tetrazol-5-ylhydrazones via 1,3-bis(2-mmethyl-2H-tetrazol-5-yl)triazene

R. N. Butler, F. Scott, 1967 .

Proton magnetic resonance spectra of methylated 5-aminotetrazole derivatives

J. Feeney, R. N. Butler, F. Scott, 1967 .

A new fused tricyclic tetra-aza[4.3.3.01,6]dodecene system: substituted 3,3a,4,5,6,6a-hexahydropyrrolo[2,3-d]-1,2,3-triazoles from the reaction of acrylonitrile with cis-1,2-bis(areneazo)ethylenes and a re-assessement of 1,3-cycloaddition products

R. N. Butler, D. Cunningham, P. McArdle, 1983 .

Pentazoles: proton and carbon-13 NMR spectra of some 1-arylpentazoles: kinetics and mechanism of degradation of the arylpentazole system

R. N. Butler, A. Fleming, S. Collier, 1996 .

p-Anisylazoles Applied to Pyrazole , Triazole , Tetrazole , and Pentazole Rings : Release of Parent Azoles . Generation of Unstable Pentazole , HN 5 / N 5-, in Solution

R. N. Butler, L. Burke, J. C. Stephens, 2022 .

Mechanism of ortho-mecuriation of substituted phenyldrazones - a novel internal cyclometalation in a hydrazone electropnilic attack.

R. N. Butler, A. M. O'Donohue, 1978 .

Preparation of [7,7-2H2] lithocholic acid

R. N. Butler, G. Phillipou, C. Seaborn, 1981 .

Rapid synthesis and interconversions of fatty 4,5-dihydroimidazoles and fatty 1,4,5,6-tetrahydropyrimidines. Thermal cyclizations of fatty amides involving phenyl phosphorodiamidate

R. N. Butler, J. Thornton, C. O'regan, 1983 .

1,2- and 1,3-Diamine exchange between substituted 4,5-dihydroimidazoles and 1,4,5,6-tetrahydropyrimidines: routes to benzimidazoles, dihydroimidazoles, and tetrahydropyrimidines

R. N. Butler, K. J. Fitzgerald, 1989 .

DIRECT DETECTION OF INTERMEDIATES AND SYNTHETIC APPLICATIONS OF THE REACTION OF THIONYL CHLORIDE WITH OXIMES OF SUBSTITUTED ACETOPHENONES AND BENZALDEHYDES: BECKMANN REARRANGEMENTS

R. N. Butler, D. O'donoghue, 1983 .

Organic Synthesis in Water: 1,3-Dipolar Cycloaddition Reactions at Ambient Temperature with Aqueous Suspensions of Solid Reactants.

A. Coyne, R. N. Butler, Eamon M. Moloney, 2007 .

Ring expansions of N-methyl-1,2,5-oxadiazolium and 1,2,3-triazolium perchlorate salts with bases to six-membered azines: direct detection of an addition intermediate in an addition–elimination mechanism and a degradation of 1,2,5-oxadiazolium salts to α-cyano nitrones

K. Daly, R. N. Butler, D. Cunningham, 1997 .