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51

Cycloadditionen mit Azabenzolen, XII. Reaktionen von 1,2,4-Triazinen mit Acetylendicarbonsäuredimethylester

Herbert Ewald, Bernd Lehmann, Hans Neunhoeffer

Journal:

European Journal of Organic Chemistry

Year:

1977

Language:

german

File:

PDF, 339 KB

german, 1977

52

Zur Synthese von 1,2,4-Triazinen, VIII. Synthese von 1,2,4-Triazin-4-oxiden

Volker Böhnisch, Gerhard Burzer, Hans Neunhoeffer

Journal:

European Journal of Organic Chemistry

Year:

1977

Language:

german

File:

PDF, 280 KB

german, 1977

53

Cycloadditionen mit Azabenzolen, XIII. Reaktionen von 1,2,4,5-Tetrazinen mit Fulvenen

Michael Bachmann Und, Hans Neunhoeffer

Journal:

European Journal of Organic Chemistry

Year:

1979

Language:

german

File:

PDF, 676 KB

german, 1979

54

Cycloadditionen mit Azabenzolen, XIV. Synthese von Benzo[f]cyclopent[c]isochinolinen (12-Azasteroiden)

Hans Neunhoeffer, Hans-Joachim Metz

Journal:

European Journal of Organic Chemistry

Year:

1983

Language:

german

File:

PDF, 1.05 MB

german, 1983

55

Zur Synthese von 1,2,4-Triazinen, X. Cycloadditionen mit Azabenzolen, XV. Versuche zur Synthese von 1-Azaheptalenen

Hans Neunhoeffer, Frank-Dieter Schaberger

Journal:

European Journal of Organic Chemistry

Year:

1983

File:

PDF, 807 KB

1983

56

Zur Synthese von 1,2,4-Triazinen, XI. Synthese und Reaktionen von 6-Amino-1,2,4-triazin-5-onen und 6-Amino-1,2,4-triazin-5-thionen

Hans Neunhoeffer, Heinz Hammann

Journal:

European Journal of Organic Chemistry

Year:

1984

File:

PDF, 793 KB

1984

57

Hydrazidine, IV. Reaktion von Hydrazidinen mit 1,2-bifunktionellen Verbindungen

Hans Neunhoeffer, Gernot Köhler, Hans-Jürgen Degen

Journal:

European Journal of Organic Chemistry

Year:

1985

Language:

german

File:

PDF, 661 KB

german, 1985

58

Zur Chemie der 1,2,4-Triazine, X. Synthese von 1,2,4-Triazino[5,6-b][1,4]benzodiazepinonen

Hans Neunhoeffer, Jendy Hansa, Heinz Hammann

Journal:

European Journal of Organic Chemistry

Year:

1985

File:

PDF, 214 KB

1985

59

Zur Chemie der 1,2,4-Triazine, XI. Synthese von 1,3,5-Triazino[2,1-f][1,2,4]triazinen

Hans Neunhoeffer, Heinz Hammann

Journal:

European Journal of Organic Chemistry

Year:

1985

Language:

german

File:

PDF, 214 KB

german, 1985

60

Cycloadditionen mit Azabenzolen, XVI. Reaktionen von Pyridazincarbonsäureestern mit Norbornen, Norbornadien und Dicyclopentadien

Hans Neunhoeffer, Gebhard Werner

Journal:

European Journal of Organic Chemistry

Year:

1985

Language:

german

File:

PDF, 232 KB

german, 1985

61

Zur Chemie der 1,2,4-Triazine, XII. Cycloadditionen mit Azabenzolen, XVII. Reaktionen von 1,2,4-Triazinen mit 6-(Dimethylamino)pentafulven

Hans Neunhoeffer, Michael Bachmann

Journal:

European Journal of Organic Chemistry

Year:

1985

Language:

german

File:

PDF, 497 KB

german, 1985

62

1,2,3-Triazine, III Synthese von N-Aminopyrazolen und deren Oxidation zu 1,2,3-Triazinen. Molekülstruktur des 1,2,3-Triazins

Hans Neunhoeffer, Monika Clausen, Hans-Dieter Vötter, Harald Ohl, Carl Krüger, K. Angermund

Journal:

European Journal of Organic Chemistry

Year:

1985

Language:

german

File:

PDF, 1.04 MB

german, 1985

63

Nitrile aus Aldehyden und 4-Aminocyclopenta[e]-1,2,4-triazinen

Hans Neunhoeffer, Werner Diehl, Ute Karafiat

Journal:

European Journal of Organic Chemistry

Year:

1989

Language:

german

File:

PDF, 592 KB

german, 1989

64

Zur Chemie der 1,2,4-Triazine, XIV. Synthese und Reaktionen von 5-Chlor-1,2,4-triazinen

Hans Neunhoeffer, Diethard Reichel, Birgit Cullmann, Ingrid Rehn

Journal:

European Journal of Organic Chemistry

Year:

1990

File:

PDF, 791 KB

1990

65

Synthese von 1,2,4-Triazinen, XV. Synthese von 1,2,4-Triazin-6(1H)-onen

Hans Neunhoeffer, Birgit Klein-Cullmann

Journal:

European Journal of Organic Chemistry

Year:

1992

File:

PDF, 338 KB

1992

66

Hydrazidine, V. Synthese und Reaktionen aromatischer und aliphatischer Hydrazidine und deren N1-substituierter Derivate

Hans Neunhoeffer, Ute Karafiat, Gernot Köhler, Birgit Sowa

Journal:

European Journal of Organic Chemistry

Year:

1992

File:

PDF, 885 KB

1992

67

1,2,3-Triazine, IV Synthese von 1,2,3-Triazincarbonsäureestern

Hans Neunhoeffer, Ralf Bopp, Werner Diehl

Journal:

European Journal of Organic Chemistry

Year:

1993

Language:

german

File:

PDF, 527 KB

german, 1993

68

Chemistry of 1,2,4-triazines, XV. First metalation of 1,2,4-triazine derivatives

Nelly Plé, Alain Turck, Guy Quéguiner, Bernd Glassl, Hans Neunhoeffer

Journal:

European Journal of Organic Chemistry

Year:

1993

Language:

english

File:

PDF, 294 KB

english, 1993

69

Synthesis of 1, 2, 4-triazines, XII: New synthesis of 1, 2, 4-triazines with a functional group in the 6-position

Tadashi Ohsumi, Hans Neunhoeffer

Journal:

Year:

1992

Language:

english

File:

PDF, 651 KB

english, 1992

70

Synthesis of 1,2,4-triazines - XIV. Regioselective synthesis of ethyl 1,2,4-triazine-5-carboxylates

Tadashi Ohsumi, Hans Neunhoeffer

Journal:

Year:

1992

Language:

english

File:

PDF, 542 KB

english, 1992

71

Reaction of 2-hetarylacetonitriles with ethyl 2-alkylsulfanyl-4-chloro-5-pyrimidinecarboxylates. Synthesis of new condensed pyrimidines

E.V Blyumin, Yu.M Volovenko, Hans Neunhoeffer, S.V Shishkina, R.A Zubatyuk, Oleg V Shishkin

Journal:

Year:

2002

Language:

english

File:

PDF, 182 KB

english, 2002

72

1,2,4-triazino[6,5-e]-1,2,4-triazine

Hans Neunhoeffer, Heinz Hammann

Journal:

Tetrahedron Letters

Year:

1983

File:

PDF, 186 KB

1983

73

Reaktion von pyridazincarbonestern mit 1-Diäthylaminopropin

Hans Neunhoeffer, Gebhard Werner

Journal:

Tetrahedron Letters

Year:

1972

Language:

german

File:

PDF, 91 KB

german, 1972

74

Reduktionen mit calcium in methanol

Hans Neunhoeffer, Gernot Köhler

Journal:

Tetrahedron Letters

Year:

1978

Language:

german

File:

PDF, 147 KB

german, 1978

75

Dihydro-1.2.4.5.8.9.11.12-octaaza-{14}-annulene 2. Mitt.

Hans Neunhoeffer, Jan Stastny, Lothar Motitschke

Journal:

Tetrahedron Letters

Year:

1971

Language:

german

File:

PDF, 147 KB

german, 1971

76

Zur chemie der 1, 2, 4-triazine I reaktion von 1, 2, 4-triazinen mit 1-diäthylaminopropin

von Hans Neunhoeffer, Hans-Werner Frühauf

Journal:

Tetrahedron Letters

Year:

1969

Language:

german

File:

PDF, 196 KB

german, 1969

77

1.2.3-Triazine II 2.3-Diaryl-indenone durch thermolyse von 1.2.3-Triazinen

von Hans Neunhoeffer, Hans-dieter Vötter, Margret Gais-Mutterer

Journal:

Tetrahedron Letters

Year:

1973

Language:

german

File:

PDF, 192 KB

german, 1973

78

Zur synthese von 1.2.4-Triazinen VI die synthese 6-substituierter 1.2.4-Triazine

Hans Neunhoeffer, Volker Böhnisch

Journal:

Tetrahedron Letters

Year:

1973

Language:

german

File:

PDF, 164 KB

german, 1973

79

Die synthese von dihydro-1,2,4,5,8,9,11,12-octaaza-[14]-annulenen 1.Mitt.

Hans Neunhoeffer, Lothar Motitschke

Journal:

Tetrahedron Letters

Year:

1970

File:

PDF, 202 KB

1970

80

Zur chemie der 1,2,4-triazine II(1) reaktion von 1,2,4-Triazinen mit 1-Diäthylaminopropin

Hans Neunhoeffer, Hans-Werner Frühauf

Journal:

Tetrahedron Letters

Year:

1970

Language:

german

File:

PDF, 91 KB

german, 1970

81

Transformations of 6-Phenyl-1,2,4-triazine 4-Oxides in Reactions with Nucleophiles

Yurii A. Azev, Hans Neunhoeffer, Sabine Foro, Hans J. Lindner, Sergei V. Shorshnev

Journal:

Mendeleev Communications

Year:

1995

Language:

english

File:

PDF, 160 KB

english, 1995

82

Reactions of 5-phenyl-1,2,4-triazin-3-one with indoles and ortho-phenylenediamine

Hans Neunhoeffer, Yurii A. Azev, Sergei G. Alexeev

Journal:

Mendeleev Communications

Year:

1996

Language:

english

File:

PDF, 99 KB

english, 1996

83

Nucleophilic substitution of hydrogen in 3,6-diphenyl-1,2,4-triazine 4-oxide

Yurii A. Azev, Hans Neunhoeffer, Sergei V. Shorshnev

Journal:

Mendeleev Communications

Year:

1996

Language:

english

File:

PDF, 192 KB

english, 1996

84

Extensive degradation of the heterocyclic system in the reaction of l,2,4-triazolo[5,l-c]triazin-7(4H)-ones with resorcinol and its derivatives

Dmitry N. Kojevnikov, Vladimir L. Rusinov, Eugeny N. Ulomski, Oleg N. Chupakhin, Hans Neunhoeffer

Journal:

Mendeleev Communications

Year:

1996

Language:

english

File:

PDF, 90 KB

english, 1996

85

Nucleophilic substitution of hydrogen in the reaction of 1,2,4-triazine-4-oxides with cyanides

Oleg N. Chupakhin, Vladimir L. Rusinov, Eugeny N. Ulomsky, Dmitry N. Kojevnikov, Hans Neunhoeffer

Journal:

Mendeleev Communications

Year:

1997

Language:

english

File:

PDF, 69 KB

english, 1997

86

Stable σ-adducts of 6-phenyl-1,2,4-triazine 4-oxides with phenols

Dmitry N. Kojevnikov, Eugeny N. Ulomsky, Vladimir L. Rusinov, Oleg N. Chupakhin, Hans Neunhoeffer

Journal:

Mendeleev Communications

Year:

1997

Language:

english

File:

PDF, 1.21 MB

english, 1997

87

Interaction of 5-methoxy-1,2,4-triazines with ureas as a new route to 6-azapurines

Dmitry G. Beresnev, Gennady L. Rusinov, Oleg N. Chupakhin, Hans Neunhoeffer

Journal:

Mendeleev Communications

Year:

2000

Language:

english

File:

PDF, 85 KB

english, 2000

88

Comprehensive Heterocyclic Chemistry II || 1,2,4-Triazines and their Benzo Derivatives

Neunhoeffer, Hans

Year:

1996

Language:

english

File:

PDF, 10.04 MB

english, 1996

89

Synthesis of functionalised bipyridines by sequential nucleophilic substitution of hydrogen and cycloaddition in 1,2,4-triazine rings

Dmitry N. Kozhevnikov, Valery N. Kozhevnikov, Tatiana V. Nikitina, Vladimir L. Rusinov, Oleg N. Chupakhin, Hans Neunhoeffer

Journal:

Mendeleev Communications

Year:

2002

Language:

english

File:

PDF, 89 KB

english, 2002

90

[Chemistry of Heterocyclic Compounds: A Series Of Monographs] Chemistry of Heterocyclic Compounds Volume 33 || 1,2,4-Triazine Rings Condensed with Heterocycles through a Carbon and a Nitrogen Atom

Neunhoeffer, Hans, Wiley, Paul F.

Year:

1978

Language:

english

File:

PDF, 4.92 MB

english, 1978

91

General and Facial Synthesis of 2‐Amino‐5‐halogenpyrimidine‐4‐carboxylic Acids and Their Derivatives

Blyumin, Evgeniy V., Neunhoeffer, Hans, Volovenko, Yulian V.

Journal:

Synthetic Communications

Year:

2007

Language:

english

File:

PDF, 123 KB

english, 2007

92

[Chemistry of Heterocyclic Compounds: A Series Of Monographs] Chemistry of Heterocyclic Compounds Volume 33 || Frontmatter

Neunhoeffer, Hans, Wiley, Paul F.

Year:

1978

Language:

english

File:

PDF, 1.35 MB

english, 1978

93

Peptide Analog Systems. 9. Synthesis of 1,2,4-Triazines. 16. Bridged Azapeptides, a Class of Novel 1,4,5,6-Tetrahydro-1,2,4-triazin-3(2H)ones

Gante, Joachim, Neunhoeffer, Hans, Schmidt, Andreas

Journal:

Journal of Organic Chemistry

Year:

1994

Language:

english

File:

PDF, 355 KB

english, 1994

94

METALATION OF TRIAZINES, II (1) SYNTHESIS OF BI-1,2,4-TRIAZINES AND 1,2,4-TRIAZINE-6-CARBALDEHYDES

Glassl, Bernd, Sinks, Udo, Neunhoeffer, Hans

Journal:

Heterocyclic Communications

Year:

1996

Language:

english

File:

PDF, 1.26 MB

english, 1996

95

LITHIATION OF 3-ARYL-1,2,4,5-TETRAZINES

Núnez-Polo, Pilar Prieto, Neunhoeffer, Hans

Journal:

Heterocyclic Communications

Year:

1998

Language:

english

File:

PDF, 909 KB

english, 1998

96

Connecting Metalation and Intramolecular Inverse Diels-Alder Strategies of 1,2,4-Triazines: A Short and Efficient Synthesis of 1-Azafluorenones

Hundsdorf, Thomas, Neunhoeffer, Hans

Journal:

Year:

2001

Language:

english

File:

PDF, 88 KB

english, 2001

97

A New and General Synthesis of Substituted 2-Azafluorenones

Hundsdorf, Thomas, Blyumin, Evgeniy V., Neunhoeffer, Hans

Journal:

Year:

2002

Language:

english

File:

PDF, 78 KB

english, 2002

98

Zur Chemie der 1,2,4-Triazine; XIII 1 . Synthese von 1 H -[1,2,4] Triazino[5,6- e ][1,3,4]thiadiazinen und 1,2,4-Triazolo[4,3- d ][1,2,4]triazinen

Neunhoeffer, Hans, Dostert, Marita, Hammann, Heinz

Journal:

Year:

1988

File:

PDF, 350 KB

1988

99

Synthesis and Reactions of 1,2,3-Triazinium Salts

Mättner, Michael, Neunhoeffer, Hans

Journal:

Year:

2003

Language:

english

File:

PDF, 197 KB

english, 2003

100

[1,2,4]Triazino[6,5- e ]-1,2,4-triazine; II

Neunhoeffer, Hans, Reichel, Diethart

Journal:

Year:

1988

File:

PDF, 222 KB

1988